EP3749329A1 - Lait maternisé fermenté comprenant des oligosaccharides non digestibles - Google Patents
Lait maternisé fermenté comprenant des oligosaccharides non digestiblesInfo
- Publication number
- EP3749329A1 EP3749329A1 EP19703732.8A EP19703732A EP3749329A1 EP 3749329 A1 EP3749329 A1 EP 3749329A1 EP 19703732 A EP19703732 A EP 19703732A EP 3749329 A1 EP3749329 A1 EP 3749329A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- oligosaccharide
- nutritional composition
- lactic acid
- intestinal microbiota
- fermented
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
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- 150000001720 carbohydrates Chemical class 0.000 claims description 25
- FTSSQIKWUOOEGC-RULYVFMPSA-N fructooligosaccharide Chemical compound OC[C@H]1O[C@@](CO)(OC[C@@]2(OC[C@@]3(OC[C@@]4(OC[C@@]5(OC[C@@]6(OC[C@@]7(OC[C@@]8(OC[C@@]9(OC[C@@]%10(OC[C@@]%11(O[C@H]%12O[C@H](CO)[C@@H](O)[C@H](O)[C@H]%12O)O[C@H](CO)[C@@H](O)[C@@H]%11O)O[C@H](CO)[C@@H](O)[C@@H]%10O)O[C@H](CO)[C@@H](O)[C@@H]9O)O[C@H](CO)[C@@H](O)[C@@H]8O)O[C@H](CO)[C@@H](O)[C@@H]7O)O[C@H](CO)[C@@H](O)[C@@H]6O)O[C@H](CO)[C@@H](O)[C@@H]5O)O[C@H](CO)[C@@H](O)[C@@H]4O)O[C@H](CO)[C@@H](O)[C@@H]3O)O[C@H](CO)[C@@H](O)[C@@H]2O)[C@@H](O)[C@@H]1O FTSSQIKWUOOEGC-RULYVFMPSA-N 0.000 claims description 25
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/135—Bacteria or derivatives thereof, e.g. probiotics
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/20—Reducing nutritive value; Dietetic products with reduced nutritive value
- A23L33/21—Addition of substantially indigestible substances, e.g. dietary fibres
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/40—Complete food formulations for specific consumer groups or specific purposes, e.g. infant formula
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7016—Disaccharides, e.g. lactose, lactulose
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/702—Oligosaccharides, i.e. having three to five saccharide radicals attached to each other by glycosidic linkages
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K35/00—Medicinal preparations containing materials or reaction products thereof with undetermined constitution
- A61K35/66—Microorganisms or materials therefrom
- A61K35/74—Bacteria
- A61K35/741—Probiotics
- A61K35/744—Lactic acid bacteria, e.g. enterococci, pediococci, lactococci, streptococci or leuconostocs
Definitions
- the present invention relates to the field of nutrition for infants and young children for improving intestinal microbiota.
- Bifidobacterium species typically dominate the intestinal microbiota of breastfed infants, while an intestinal microbiota that is richer in Firmicutes members is typically observed in infants that are fed conventional formulae.
- Formulae supplemented with a prebiotic scGOS/lcFOS mixture have been shown to modulate the gut microbiota composition towards a Bifidobacterium rich community (Knol et al, 2005, JPGN 40:36-42).
- the effects of this scGOS/lcFOS mixture on the intestinal microbiota was previously shown to be maintained when added to a partly fermented, using Bifidobacterium breve and Streptococcus thermophilus, infant milk formulae (Huet, F. et al, 2016, JPGN 63:e43-53).
- WO 2009/151330 discloses methods for feeding of infants delivered via caesarean section and compositions to be administered to infants delivered via caesarean section and in particular to the use of a product obtained by fermentation of milk, whey, whey protein, whey protein hydrolysate, casein, casein hydrolysate and/or lactose by lactic acid producing bacteria. Thereby it is possible to stimulate a fast colonisation of the intestinal microbiota of said infants.
- WO 2015/033304 discloses that administration of probiotic Lactobacillus paracasei DG in healthy adults decreases the amount of Blautia in the microbiota.
- WO 2017/021476 relates to a nutritional composition comprising fucosylated and N-acetylated oligosaccharides for promoting or inducing a global gut microbiota that is closer to the one of infants fed exclusively with human breast milk, in comparison to infants fed with a conventional nutritional composition.
- the intestinal microbiota was more similar to breastfed infants’ microbiota when compared to the microbiota of infants fed a control formula that comprised non-digestible oligosaccharides but was not fermented, when compared to the microbiota of infants fed a control formula that was partly fermented but without non-digestible oligosaccharides, and the biggest difference was observed when compared to the microbiota of infants fed a conventional, non-fermented formula without non-digestible oligosaccharides. This is indicative of a further improved effect of the combination of a fermented formula and the non-digestible oligosaccharides on the intestinal microbiota of infants and young children.
- microbiota of infants fed a formula that was partly fermented and comprised non-digestible oligosaccharides was more similar to the microbiota of breastfed infants, in particular alpha- diversity was found to be lower, having a lower abundance of Blautia and/or Erysipelotrichales and/or having an increased abundance of Lactobacillus.
- the invention concerns a method for promoting the development in human subjects with an age of 36 months or below of an intestinal microbiota that is in composition closer to the intestinal microbiota of human subjects at the same age fed with human milk, comprising administering a nutritional composition that is at least partly fermented by lactic acid producing bacteria wherein the nutritional composition comprises 0.02 to 1.5 wt% of the sum of lactic acid and lactate based on dry weight and wherein the nutritional composition comprises 2.5 to 15 wt% based on dry weight of non-digestible oligosaccharide, when compared to the intestinal microbiota of human subjects with the same age fed a nutritional composition not being at least partly fermented by lactic acid producing bacteria and comprising 0.02 to 1.5 wt% of the sum of lactic acid and lactate based on dry weight and/or not comprising non-digestible oligosaccharides.
- the method according to the invention can be seen as a non-medical method for promoting the development of an intestinal microbiota.
- the invention can also be worded as the use of a fermented composition and non-digestible oligosaccharide for the manufacture of a nutritional composition that is at least partly fermented by lactic acid producing bacteria wherein the nutritional composition comprises 0.02 to 1.5 wt% based on dry weight of the sum of lactic acid and lactate and wherein the nutritional composition comprises 2.5 to 15 wt% based on dry weight of non-digestible oligosaccharide, for use in promoting the development in human subjects with an age of 36 months or below of an intestinal microbiota that is in composition closer to the intestinal microbiota of human subjects at the same age fed with human milk when compared to the intestinal microbiota of human subjects with the same age fed a nutritional composition not being at least partly fermented by lactic acid producing bacteria and comprising 0.02 to 1.5 wt% of the sum of lactic acid and lactate
- the invention can also be worded as a nutritional composition that is at least partly fermented by lactic acid producing bacteria wherein the nutritional composition comprises 0.02 to 1.5 wt% based on dry weight of the sum of lactic acid and lactate and wherein the nutritional composition comprises 2.5 to 15 wt% based on dry weight of non-digestible oligosaccharide, for use in promoting the development in human subjects with an age of 36 months or below of an intestinal microbiota that is in composition closer to the intestinal microbiota of human subjects at the same age fed with human milk when compared to the intestinal microbiota of human subjects with the same age fed a nutritional composition not being at least partly fermented by lactic acid producing bacteria and comprising 0.02 to 1.5 wt% of the sum of lactic acid and lactate based on dry weight and/or not comprising non-digestible oligosaccharides.
- the invention also concerns a method for preventing and/or treating of dysbiosis of the intestinal microbiota in human subjects with an age of 36 months or below, comprising administering a nutritional composition that is at least partly fermented by lactic acid producing bacteria wherein the nutritional composition comprises 0.02 to 1.5 wt% of the sum of lactic acid and lactate based on dry weight and wherein the nutritional composition comprises 2.5 to 15 wt% based on dry weight of non-digestible oligosaccharide.
- the invention can also be worded as the use of a fermented composition and non-digestible oligosaccharide for the manufacture of a nutritional composition that is at least partly fermented by lactic acid producing bacteria wherein the nutritional composition comprises 0.02 to 1.5 wt% based on dry weight of the sum of lactic acid and lactate and wherein the nutritional composition comprises 2.5 to 15 wt% based on dry weight of non-digestible oligosaccharide, for use in preventing and/or treating of dysbiosis of the intestinal microbiota in human subjects with an age of 36 months or below.
- the invention can also be worded as a nutritional composition that is at least partly fermented by lactic acid producing bacteria wherein the nutritional composition comprises 0.02 to 1.5 wt% based on dry weight of the sum of lactic acid and lactate and wherein the nutritional composition comprises 2.5 to 15 wt% based on dry weight of non-digestible oligosaccharide for use in preventing and/or treating of dysbiosis of the intestinal microbiota in human subjects with an age of 36 months or below.
- the nutritional composition in the methods or uses according to the present invention hereafter also referred to as the present nutritional composition, or nutritional composition of the invention or final nutritional composition, is at least party fermented.
- a partly fermented nutritional composition comprises at least for a part a composition that was fermented by lactic acid producing bacteria. It was shown that the presence of fermented composition in the final nutritional composition results, upon administration, in an intestinal microbiota more similar to the microbiota of breastfed infants.
- the fermentation preferably takes place during the production process of the nutritional composition.
- the nutritional composition does not contain significant amounts of viable bacteria in the final product due to heat inactivation after fermentation or inactivation by other means.
- the fermented composition is a milk-derived product, which is a milk substrate that is fermented by lactic acid producing bacteria, wherein the milk substrate comprises at least one selected from the group consisting of milk, whey, whey protein, whey protein hydrolysate, casein, casein hydrolysate or mixtures thereof.
- nutritional compositions comprising fermented compositions and non-digestible oligosaccharide and their way of producing them are described in WO 2009/151330, WO 2009/151331 and WO 2013/187764.
- the fermented composition preferably comprises bacterial cell fragments like glycoproteins, glycolipids, peptidoglycan, lipoteichoic acid (LTA), lipoproteins, nucleotides, and/or capsular polysaccharides. It is of advantage to use the fermented composition comprising inactivated bacteria and/or cell fragments directly as a part of the final nutritional product, since this will result in a higher concentration of bacterial cell fragments. When commercial preparations of lactic acid producing bacteria are used, these are usually washed and material is separated from the aqueous growth medium comprising the bacterial cell fragments, thereby reducing or eliminating the presence of bacterial cell fragments.
- LTA lipoteichoic acid
- bio-active compounds can be formed, such as short chain fatty acids, bioactive peptides and/or oligosaccharides, and other metabolites, which may also result in an intestinal microbiota more similar to the microbiota of breastfed infants.
- bioactive compounds that that are produced during fermentation by lactic acid producing bacteria or other food grade bacteria may also be referred to as post-bio tics.
- a composition comprising such post-biotics is thought to be advantageously closer to breast milk, as breast milk is not a clean synthetic formula, but contains metabolites, bacterial cells, cell fragments and the like.
- the fermented composition in particular fermented milk-derived product, is believed to have an improved effect compared to non-fermented milk-derived product without or with merely lactic acid producing bacteria on the intestinal microbiota.
- the final nutritional composition comprises 5 to 97.5 wt% of the fermented composition based on dry weight, more preferably 10 to 90 wt% , more preferably 20 to 80 wt%, even more preferably 25 to 60 wt%.
- the final nutritional composition comprises at least partly a fermented composition, and to specify the extent of fermentation, the level of the sum of lactic acid and lactate in the final nutritional composition can be taken, as this is the metabolic end product produced by the lactic acid producing bacteria upon fermentation.
- the present final nutritional composition comprises 0.02 to 1.5 wt% of the sum of lactic acid and lactate based on dry weight of the composition, more preferably 0.05 to 1.0 wt%, even more preferably 0.1 to 0.5 wt%.
- Preferably at least 50 wt%, even more preferably at least 90 wt%, of the sum of lactic acid and lactate is in the form of the L(+)-isomer.
- the sum of L(+)-lactic acid and L(+)-lactate is more than 50 wt%, more preferably more than 90 wt%, based on the sum of total lactic acid and lactate.
- L(+)- lactate and L(+)-lactic acid is also referred to as L-lactate and L-lactic acid.
- Lactic acid producing bacteria used for producing the fermented ingredient
- Lactic acid producing bacteria used for preparing the fermented ingredient, in particular for fermentation of the milk substrate are preferably provided as a mono- or mixed culture.
- Lactic acid producing bacteria consists of the genera Bifidobacterium, Lactobacillus, Carnobacterium, Enterococcus, Lactococcus, Leuconostoc, Oenococcus, Pediococcus, Streptococcus, Tetragenococcus, Vagococcus and Weissella.
- the lactic acid producing bacteria used for fermentation comprises bacteria of the genus Bifidobacterium and/or Streptococcus.
- the Streptococcus is a strain of S. thermophilus .
- Selection of a suitable strain of S. thermophilus is described in example 2 of EP 778885 and in example 1 of FR 2723960.
- the nutritional composition comprises 10 2 -10 5 cfu living bacteria of S. thermophilus, per g dry weight of the final nutritional composition, preferably the final nutritional composition comprises 10 3 - 10 4 living bacteria of S. thermophilus per g dry weight.
- S. thermophilus to prepare the fermented ingredient for the purpose of the present invention have been deposited by Compagnie Gervais Danone at the Collection Nationale de Cultures de Microorganismes (CNCM) run by the Institut Pasteur, 25 rue du Dondel Roux, Paris, France on 23 August 1995 under the accession number 1-1620 and on 25 August 1994 under the accession number 1-1470.
- Other S. thermophilus strains are commercially available.
- thermophilus does not survive the stomach it is not considered a probiotic bacterium.
- Bifidobacteria are Gram-positive, anaerobic, rod-shaped bacteria.
- Preferred Bifidobacterium species to prepare the fermented ingredient for the purpose of the present invention preferably have at least 95 % identity of the 16 S rRNA sequence when compared to the type strain of the respective Bifidobacterium species, more preferably at least 97% identity as defined in handbooks on this subject for instance Sambrook, J., Fritsch, E.F., and Maniatis, T. (1989), Molecular Cloning, A Laboratory Manual, 2nd ed., Cold Spring Harbor (N.Y.) Faboratory Press.
- the Bifodobacteria preferably used are also described by Scardovi, V.
- the lactic acid producing bacteria used for fermentation comprises or is at least one Bifidobacterium selected from the group consisting of B. breve, B. infantis, B. bifidum, B. catenulatum, B. adolescentis, B. thermophilum, B. gallicum, B. animalis or lactis, B. angulatum, B.
- the B. breve is B. breve M-16V (Morinaga) or B. breve 1-2219, even more preferably B. breve 1-2219.
- the nutritional composition of the invention comprises fermented composition that is fermented by lactic acid producing bacteria comprising both B. breve and S. thermophilus.
- the fermentation by lactic acid producing bacteria is fermentation by Streptococcus thermophilus and Bifidobacterium breve.
- the final nutritional composition comprises fermented composition wherein the lactic acid producing bacteria are inactivated after fermentation.
- the fermented composition is not fermented by Lactobacillus bulgaricus.
- L. bulgaricus fermented products are considered not suitable for infants, since in young infants the specific dehydrogenase that converts D-lactate to pyruvate is far less active than the dehydrogenase which converts L-lactate.
- the nutritional composition of the invention comprises inactivated lactic acid producing bacteria and/or bacterial fragments derived from lactic acid producing bacteria obtained from more than 1x10 4 efu lactic acid producing bacteria per g based on dry weight of the final composition, more preferably 1x10 5 efu, even more preferably 1x10 6 efu.
- the inactivated bacteria or bacterial fragments are obtained from less than 1x10 12 efu lactic acid producing bacteria per g based on dry weight of the final composition, more preferably 1x10 10 efu, even more preferably 1x10 9 efu.
- the correlation of inactivated lactic acid bacteria and efu can be determined by molecular techniques, known in the art, or by checking the production process.
- the fermented composition is a milk-derived product, which is a milk substrate that is fermented by lactic acid producing bacteria, and said milk substrate comprising at least one selected from the group consisting of milk, whey, whey protein, whey protein hydrolysate, casein, casein hydrolysate or mixtures thereof.
- the milk derived product or milk substrate to be fermented is suitably present in an aqueous medium.
- the milk substrate to be fermented comprises at least one selected from the group consisting of milk, whey, whey protein, whey protein hydrolysate, casein, casein hydrolysate or mixtures thereof.
- Milk can be whole milk, semi-skimmed milk and/or skimmed milk.
- the milk substrate to be fermented comprises skimmed milk.
- Whey can be sweet whey, and/or acid whey.
- the whey is present in a concentration of 3 to 80 g dry weight per 1 aqueous medium containing milk substrate, more preferably 40 to 60 g per 1.
- whey protein hydrolysate is present in 2 to 80 g dry weight per 1 aqueous medium containing milk substrate, more preferably 5 to 15 g/l.
- lactose is present in 5 to 50 g dry weight per 1 aqueous substrate, more preferably 1 to 30 g/l.
- the aqueous medium containing milk substrate comprises buffer salts in order to keep the pH within a desired range.
- sodium or potassium dihydrogen phosphate is used as buffer salt, preferably in 0.5 to 5 g/l, more preferably 1.5 to 3 g per 1.
- the aqueous medium containing milk substrate comprises cysteine in amount of 0.1 to 0.5 g per 1 aqueous substrate, more preferably 0.2 to 0.4 g/l. The presence of cysteine results in low redox potential of the substrate which is advantageous for activity of lactic acid producing bacteria, particularly bifidobacteria.
- the aqueous medium containing milk substrate comprises yeast extract in an amount of 0.5 to 5 g/l aqueous medium containing milk substrate, more preferably 1.5 to 3 g/l.
- yeast extract is a rich source of enzyme co-factors and growth factors for lactic acid producing bacteria. The presence of yeast extract will enhance the fermentation by lactic acid producing bacteria.
- the milk substrate in particular the aqueous medium containing milk substrate
- the product is pasteurised after fermentation, in order to inactivate enzymes.
- the enzyme inactivation takes place at 75 °C for 3 min.
- the aqueous medium containing milk substrate is homogenised before and/or the milk-derived product is homogenised after the fermentation. Homogenisation results in a more stable substrate and/or fermented product, especially in the presence of fat.
- the inoculation density is preferably between 1x10 2 to 5x10 10 , preferably between 1x10 4 to 5x10 9 cfu lactic acid producing bacteria/ml aqueous medium containing milk substrate, more preferably between 1x10 7 to 1x10 9 cfu lactic acid producing bacteria/ml aqueous medium containing milk substrate.
- the final bacteria density after fermentation is preferably between 1x10 3 to 1x10 10 , more preferably between 1x10 4 to 1x10 9 cfu/ml aqueous medium containing milk substrate.
- the fermentation is preferably performed at a temperature of approximately 20 °C to 50 °C, more preferably 30 °C to 45 °C, even more preferably approximately 37 °C to 42 °C.
- the optimum temperature for growth and/or activity for lactic acid producing bacteria is between 37 °C and 42 °C.
- the incubation is preferably performed at a pH of 4 to 8, more preferably 6 to 7.5. This pH does not induce protein precipitation and/or an adverse taste, while at the same time lactic acid producing bacteria such as lactobacilli and/or bifidobacteria are able to ferment the milk substrate.
- the incubation time preferably ranges from 10 minutes to 48 h, preferably from 2 h to 24 h, more preferably from 4 h to 12 h.
- a sufficient long time enables fermentation and the concomitant production of immunogenic cell fragments such as glycoproteins, glycolipids, peptidoglycan, lipoteichoic acid (LTA), flagellae, lipoproteins, DNA and/or capsular polysaccharides and metabolites (postbio tics) to take place at a sufficient or higher extent, whereas the incubation time needs not be unnecessarily long for economical reasons.
- immunogenic cell fragments such as glycoproteins, glycolipids, peptidoglycan, lipoteichoic acid (LTA), flagellae, lipoproteins, DNA and/or capsular polysaccharides and metabolites (postbio tics)
- a milk derived product or milk substrate preferably skimmed milk
- one or more lactic acid producing strains preferably a strain of S. thermophilus
- a second milk-derived product is prepared in a similar way using one or more Bifidobacterium species for fermentation.
- the two fermented products are preferably mixed together and mixed with other components making up an infant formula, except the fat component.
- the mixture is preheated, and subsequently fat is added in-line, homogenized, pasteurized and dried.
- the fermentation takes place having both Bifidobacterium, preferably B. breve, and S. thermophilus in the fermentation tank.
- thermophilus for example with 5% of a culture containing 10 6 to 10 10 bacteria per ml.
- this milk substrate comprises milk protein peptides.
- Temperature and duration of fermentation are as mentioned above.
- the fermented ingredient may be pasteurised or sterilized and for example spray dried or lyophilised to provide a form suitable to be formulated in the end product.
- a preferred method for preparing the fermented composition to be used in the nutritional composition of invention is disclosed in WO 01/01785, more particular in examples 1 and 2.
- a preferred method for preparing the fermented composition to be used in the nutritional composition of invention is described in WO 2004/093899, more particularly in example 1.
- Living cells of lactic acid producing bacteria in the fermented composition are after fermentation preferably eliminated, for example by inactivation and/or physical removal.
- the cells are preferably inactivated.
- the lactic acid producing bacteria are heat killed after fermentation of the milk substrate.
- Preferable ways of heat killing are (flash) pasteurization, sterilization, ultra high temperature treatment, high temperature/short time heat treatment, and/or spray drying at temperatures bacteria do not survive.
- Cell fragments are preferably obtained by heat treatment. With this heat treatment preferably at least 90 % of living microorganisms are inactivated, more preferably at least 95 %, even more preferably at least 99 %.
- the fermented nutritional composition comprises less than 1x10 5 colony forming units (cfu) living lactic acid bacteria per g dry weight.
- the heat treatment preferably is performed at a temperature ranging from 70 to 180 °C, preferably from 80 to 150 °C, preferably for about 3 minutes to 2 hours, preferably in the range of 80 to 140 °C for 5 minutes to 40 minutes.
- Inactivation of the lactic acid bacteria advantageously results in less post acidification and a safer product. This is especially advantageous when the nutritional composition is to be administered to infants or toddlers.
- the fermented ingredient may be pasteurised or sterilized and for example spray dried or lyophilised to provide a form suitable to be formulated in the end product.
- Non-digestible oligosaccharides may be pasteurised or sterilized and for example spray dried or lyophilised to provide a form suitable to be formulated in the end product.
- the present nutritional composition comprises non-digestible oligosaccharide and preferably comprises at least two different non-digestible oligosaccharides, in particular two different sources of non-digestible oligosaccharide. It was shown that the presence of non-digestible oligosaccharides improve the microbiota in making it more similar to the microbiota of breastfed infants. Hence, the presence of both the non-digestible oligosaccharide and the fermented composition, in particular the milk-derived product obtained by fermentation with lactic acid producing bacteria, synergistically and advantageously results in overall microbiota more similar to the microbiota of infants that are predominantly or exclusively breastfed.
- oligosaccharide refers to saccharides with a degree of polymerization (DP) of 2 to 250, preferably a DP 2 to 100, more preferably 2 to 60, even more preferably 2 to 10. If oligosaccharide with a DP of 2 to 100 is included in the present nutritional composition, this results in compositions that may contain oligosaccharides with a DP of 2 to 5, a DP of 50 to 70 and a DP of 7 to 60.
- DP degree of polymerization
- non-digestible oligosaccharide refers to oligosaccharides which are not digested in the intestine by the action of acids or digestive enzymes present in the human upper digestive tract, e.g. small intestine and stomach, but which are preferably fermented by the human intestinal microbiota.
- sucrose, lactose, maltose and maltodextrins are considered digestible.
- the present non-digestible oligosaccharide is soluble.
- soluble when having reference to a polysaccharide, fibre or oligosaccharide, means that the substance is at least soluble according to the method described by L. Prosky et al, J. Assoc. Off. Anal. Chem. 71, 1017-1023 (1988).
- the non-digestible oligosaccharide included in the present nutritional compositions in the methods or uses according to the present invention preferably include a mixture of non- digestible oligosaccharides.
- the non-digestible oligosaccharide is preferably selected from the group consisting of fructo-oligosaccharide, such as inulin, non-digestible dextrins, galactooligosaccharide, such as transgalacto-oligosaccharide, xylo-oligosaccharide, arabino- oligosaccharide, arabinogalacto-oligosaccharide, gluco-oligosaccharide, gentio- oligosaccharide, glucomanno-oligosaccharide, galactomannooligosaccharide, mannan- oligosaccharide, isomalto-oligosaccharide, nigero-oligosaccharide, glucomanno- oli
- non-digestible oligosaccharides share many biochemical properties and have similar functional benefits including improving the microbiota. Yet is understood that some non- digestible oligosaccharides and preferably some mixtures have an even further improved effect. Therefore more preferably the non-digestible oligosaccharides are selected from the group consisting of fructo-oligosaccharide, such as inulin, galacto-oligosaccharide, such as betagalacto-oligosaccharide, and mixtures thereof, even more preferably betagalacto- oligosaccharide and/or inulin, most preferably betagalacto-oligosaccharide.
- fructo-oligosaccharide such as inulin
- galacto-oligosaccharide such as betagalacto-oligosaccharide
- mixtures thereof even more preferably betagalacto- oligosaccharide and/or inulin, most preferably betagalacto-oligosaccharide.
- the non-digestible oligosaccharide is selected from the group consisting of galacto-oligosaccharide, fructo- oligosaccharide and mixtures of thereof, more preferably betagalacto-oligosaccharides, fructo- oligosaccharides and mixtures thereof.
- the non-digestible oligosaccharide is preferably selected from the group consisting of b- galacto-oligosaccharide, ⁇ -galacto-oligosaccharide, and galactan.
- non-digestible oligosaccharide is b-galactooligosaccharide.
- the non-digestible oligosaccharide comprises galactooligosaccharide with b(1 ,4), b(1 ,3) and/or b(1 ,6) glycosidic bonds and a terminal glucose.
- Transgalacto-oligosaccharide is for example available under the trade name Vivinal®GOS (Domo FrieslandCampina Ingredients), Bi2muno (Clasado), Cup-oligo (Nissin Sugar) and Oligomate55 (Yakult). These oligosaccharides improve the microbiota to a larger extent.
- the non-digestible oligosaccharide preferably comprises fructo-oligosaccharide.
- a fructo- oligosaccharide may in other context have names like fructopolysaccharide, oligofructose, polyfructose, polyfructan, inulin, levan and fructan and may refer to oligosaccharides comprising b-linked fructose units, which are preferably linked by b(2,1) and/or b(2,6) glycosidic linkages, and a preferable DP between 2 and 200.
- the fructo- oligosaccharide contains a terminal b(2,1) glycosidic linked glucose.
- the fructo- oligosaccharide contains at least 7 b-linked fructose units.
- inulin is used.
- Inulin is a type of fructo-oligosaccharide wherein at least 75% of the glycosidic linkages are b(2, 1) linkages.
- inulin has an average chain length between 8 and 60 monosaccharide units.
- a suitable fructo-oligosaccharide for use in the compositions of the present invention is commercially available under the trade name Raftiline®HP (Orafti).
- Other suitable sources are Raftilose (Orafti), Fibrulose and Fibruline (Cosucra) and Frutafit and Frutalose (Sensus).
- the present nutritional composition comprises a mixture of galacto-oligosaccharide and fructo-oligosaccharide.
- the mixture of galacto-oligosaccharide and fructo- oligosaccharide is present in a weight ratio of from 1/99 to 99/1, more preferably from 1/19 to 19/1, more preferably from 1/1 to 19/1, more preferably from 2/1 to 15/1, more preferably from
- the present nutritional composition comprises a mixture of short chain fructo- oligosaccharide and long chain fructo-oligosaccharide.
- the mixture of short chain fructo-oligosaccharide and long chain fructo-oligosaccharide is present in a weight ratio of from 1/99 to 99/1, more preferably from 1/19 to 19/1, even more preferably from 1/10 to 19/1, more preferably from 1/5 to 15/1, more preferably from 1/1 to 10/1.
- Preferred is a mixture of short chain fructo-oligosaccharide with an average DP below 10, preferably below 6 and a fructo- oligosaccharide with an average DP above 7, preferably above 11, even more preferably above 20.
- the present nutritional composition comprises a mixture of short chain fructo- oligosaccharide and short chain galacto-oligosaccharides.
- the mixture of short chain fructo-oligosaccharide and short chain galacto-oligosaccharides is present in a weight ratio of from 1/99 to 99/1, more preferably from 1/19 to 19/1, even more preferably from 1/10 to 19/1, more preferably from 1/5 to 15/1, more preferably from 1/1 to 10/1.
- Preferred is a mixture of short chain fructo-oligosaccharide and galacto-oligosaccharides with an average DP below 10, preferably below 6.
- the present nutritional composition comprises 2.5 to 20 wt% total non-digestible oligosaccharide, more preferably 2.5 to 15 wt%, even more preferably 3.0 to 10 wt%, most preferably 5.0 to 7.5 wt%, based on dry weight of the nutritional composition. Based on 100 ml the present nutritional composition preferably comprises 0.35 to 2.5 wt% total non-digestible oligosaccharide, more preferably 0.35 to 2.0 wt%, even more preferably 0.4 to 1.5 wt%, based on 100 ml of the nutritional composition. A lower amount of non-digestible oligosaccharide will be less effective in improving the microbiota, whereas a too high amount will result in side- effects of bloating and abdominal discomfort.
- the nutritional composition used according to the present invention may also be considered as being a pharmaceutical composition and is preferably suitable for administration to infants.
- the present nutritional composition is preferably for enteral administration, more preferably for oral administration.
- the nutritional composition used according to the present invention is not a probiotic composition or a composition comprising probiotics.
- the lactic acid producing bacteria are preferably either rendered non-replicating or inactivated during the production and/or do not survive under conditions present in the human upper gastro-intestinal tract.
- the present nutritional composition is preferably an infant formula, follow on formula, toddler milk or toddler formula, or growing up milk intended for young children.
- the present nutritional composition can be advantageously applied as a complete nutrition for infants.
- the present nutritional composition is an infant formula.
- An infant formula is defined as a formula for use in infants and can for example be a starter formula, intended for infants of 0 to 6 or 0 to 4 months of age.
- a follow on formula is intended for infants of 4 or 6 months to 12 months of age. At this age infants start weaning on other food.
- a toddler or growing up milk or formula is intended for children of 12 to 36 months of age.
- the present composition preferably comprises a lipid component, protein component and carbohydrate component and is preferably administered in liquid form.
- the present nutritional composition may also be in the form of a dry food, preferably in the form of a powder which is accompanied with instructions as to mix said dry food, preferably powder, with a suitable liquid, preferably water.
- the nutritional composition used according to the invention preferably comprises other fractions, such as vitamins, minerals, trace elements and other micronutrients in order to make it a complete nutritional composition.
- infant formulas comprise vitamins, minerals, trace elements and other micronutrients according to international directives.
- the present nutritional composition preferably comprises lipid, protein and digestible carbohydrate wherein the lipid provides 5 to 50% of the total calories, the protein provides 5 to 50% of the total calories, and the digestible carbohydrate provides 15 to 90% of the total calories.
- the lipid provides 35 to 50% of the total calories, the protein provides 7.0 to 12.5% of the total calories, and the digestible carbohydrate provides 40 to 55% of the total calories.
- the lipid provides 3 to 7 g lipid per 100 kcal, preferably 4 to 6 g per 100 kcal, the protein provides 1.6 to 4 g per 100 kcal, preferably 1.7 to 2.5 g per 100 kcal and the digestible carbohydrate provides 5 to 20 g per 100 kcal, preferably 8 to 15 g per 100 kcal of the nutritional composition.
- the present nutritional composition comprises lipid providing 4 to 6 g per 100 kcal, protein providing 1.6 to 2.0 g per 100 kcal, more preferably 1.7 to 1.9 g per 100 kcal and digestible carbohydrate providing 8 to 15 g per 100 kcal of the nutritional composition.
- the lipid provides 3 to 7 g lipid per 100 kcal, preferably 4 to 6 g per 100 kcal
- the protein provides 1.6 to 2.1 g per 100 kcal, preferably 1.6 to 2.0 g per 100 kcal
- the digestible carbohydrate provides 5 to 20 g per 100 kcal, preferably 8 to 15 g per 100 kcal of the nutritional composition and wherein preferably the digestible carbohydrate component comprises at least 60 wt% lactose based on total digestible carbohydrate, more preferably at least 75 wt%, even more preferably at least 90 wt% lactose based on total digestible carbohydrate.
- the amount of total calories is determined by the sum of calories derived from protein, lipids, digestible carbohydrates and non-digestible oligosaccharide.
- the present nutritional composition preferably comprises a digestible carbohydrate component.
- Preferred digestible carbohydrate components are lactose, glucose, sucrose, fructose, galactose, maltose, starch and maltodextrin. Lactose is the main digestible carbohydrate present in human milk.
- the present nutritional composition preferably comprises lactose.
- lactose is the main digestible carbohydrate present in human milk.
- the present nutritional composition preferably comprises lactose.
- the present nutritional composition comprises a fermented composition that is obtained by fermentation by lactic acid producing bacteria, the amount of lactose is reduced compared to its source due to the fermentation whereby lactose is converted into lactate and/or lactic acid. Therefore in the preparation of the present nutritional composition lactose is preferably added.
- the present nutritional composition does not comprise high amounts of carbohydrates other than lactose.
- the present nutritional composition preferably comprises digestible carbohydrate, wherein at least 35 wt%, more preferably at least 50 wt%, more preferably at least 60 wt%, more preferably at least 75 wt%, even more preferably at least 90 wt% , most preferably at least 95 wt% of the digestible carbohydrate is lactose. Based on dry weight the present nutritional composition preferably comprises at least 25 wt% lactose, preferably at least 40 wt%, more preferably at least 50 wt% lactose.
- the present nutritional composition preferably comprises at least one lipid selected from the group consisting of animal lipid (excluding human lipids) and vegetable lipids.
- the present composition comprises a combination of vegetable lipids and at least one oil selected from the group consisting of fish oil, animal oil, algae oil, fungal oil, and bacterial oil.
- the lipid of the present nutritional composition preferably provides 3 to 7 g per 100 kcal of the nutritional composition, preferably the lipid provides 4 to 6 g per 100 kcal.
- the nutritional composition When in liquid form, e.g. as a ready-to-feed liquid, the nutritional composition preferably comprises 2.1 to 6.5 g lipid per 100 ml, more preferably 3.0 to 4.0 g per 100 ml.
- the present nutritional composition preferably comprises 12.5 to 40 wt% lipid, more preferably 19 to 30 wt%.
- the lipid comprises the essential fatty acids alpha- lino lenic acid (ALA), linoleic acid (LA) and/or long chain polyunsaturated fatty acids (LC-PUFA).
- ALA alpha- lino lenic acid
- LA linoleic acid
- LC-PUFA long chain polyunsaturated fatty acids
- the LC-PUFA, LA and/or ALA may be provided as free fatty acids, in triglyceride form, in diglyceride form, in monoglyceride form, in phospholipid form, or as a mixture of one of more of the above.
- the present nutritional composition comprises at least one, preferably at least two lipid sources selected from the group consisting of rape seed oil (such as colza oil, low erucic acid rape seed oil and canola oil), high oleic sunflower oil, high oleic safflower oil, olive oil, marine oils, microbial oils, coconut oil, palm kernel oil.
- rape seed oil such as colza oil, low erucic acid rape seed oil and canola oil
- high oleic sunflower oil high oleic safflower oil
- olive oil marine oils
- microbial oils coconut oil
- palm kernel oil lipid sources
- the present nutritional composition preferably comprises protein.
- the protein used in the nutritional composition is preferably selected from the group consisting of non-human animal proteins, preferably milk proteins, vegetable proteins, such as preferably soy protein and/or rice protein, and mixtures thereof.
- the present nutritional composition preferably contains casein, and/or whey protein, more preferably bovine whey proteins and/or bovine casein.
- the protein in the present nutritional composition comprises protein selected from the group consisting of whey protein and casein, preferably whey protein and casein, preferably the whey protein and/or casein is from cow’s milk.
- the protein comprises less than 5 wt% based on total protein of free amino acids, dipeptides, tripeptides or hydrolyzed protein.
- the present nutritional composition preferably comprises casein and whey proteins in a weight ratio casein : whey protein of 10 : 90 to 90 : 10, more preferably 20 : 80 to 80 : 20, even more preferably 35 : 65 to 55 : 45
- the wt% protein based on dry weight of the present nutritional composition is calculated according to the Kjeldahl-method by measuring total nitrogen and using a conversion factor of 6.38 in case of casein, or a conversion factor of 6.25 for other proteins than casein.
- protein or‘protein component’ as used in the present invention refers to the sum of proteins, peptides and free amino acids.
- the present nutritional composition preferably comprises protein providing 1.6 to 4.0 g protein per 100 kcal of the nutritional composition, preferably providing 1.6 to 3.5 g, even more preferably 1.75 to 2.5 g per 100 kcal of the nutritional composition.
- the present nutritional composition comprises protein providing 1.6 to 2.1 g protein per 100 kcal of the nutritional composition, preferably providing 1.6 to 2.0 g, more preferably 1.75 to 2.1 g, even more preferably 1.75 to 2.0 g per 100 kcal of the nutritional composition.
- the present nutritional composition comprises protein in an amount of less than 2.0 g per 100 kcal, preferably providing 1.6 to 1.9 g, even more preferably 1.75 to 1.85 g per 100 kcal of the nutritional composition.
- the nutritional composition preferably comprises 0.5 to 6.0 g, more preferably 1.0 to 3.0 g, even more preferably 1.0 to 1.5 g protein per 100 ml, most preferably 1.0 to 1.3 g protein per 100 ml.
- the present nutritional composition preferably comprises 5 to 20 wt% protein, preferably at least 8 wt% protein based on dry weight of the total nutritional composition, more preferably 8 to 14 wt%, even more preferably 8 to 9.5 wt% protein based on dry weight of the total nutritional composition.
- the nutritional composition preferably comprises 45 to 200 kcal/100 ml liquid.
- the nutritional composition has more preferably 60 to 90 kcal/100 ml liquid, even more preferably 65 to 75 kcal/ 100 ml liquid. This caloric density ensures an optimal ratio between water and calorie consumption.
- the nutritional composition more preferably has a caloric density between 45 and 65, even more preferably between 50 and 60 kcal/100 ml.
- the osmolarity of the present composition is preferably between 150 and 420 mOsmol/l, more preferably 260 to 320 mOsmol/l.
- the low osmolarity aims to further reduce the gastrointestinal stress.
- the preferred volume administered on a daily basis is in the range of about 80 to 2500 ml, more preferably about 200 to 1200 ml per day.
- the number of feedings per day is between 1 and 10, preferably between 3 and 8.
- the nutritional composition is administered daily for a period of at least 2 days, preferably for a period of at least 4 weeks, preferably for a period of at least 8 weeks, more preferably for a period of at 25 least 12 weeks, in a liquid form wherein the total volume administered daily is between 200 ml and 1200 ml and wherein the number of feedings per day is between 1 and 10.
- the present nutritional composition when in liquid form, preferably has a viscosity between 1 and 60 mPa.s, preferably between 1 and 20 mPa.s, more preferably between 1 and 10 mPa.s, most preferably between 1 and 6 mPa.s.
- the low viscosity ensures a proper administration of the liquid, e.g. a proper passage through the whole of a nipple. Also this viscosity closely resembles the viscosity of human milk. Furthermore, a low viscosity results in a normal gastric emptying and a better energy intake, which is essential for infants which need the energy for optimal growth and development.
- the present nutritional composition alternatively is in powder form, suitable for reconstitution with water to a ready to drink liquid.
- the present nutritional composition is preferably prepared by admixing a powdered composition with water. Normally infant formula is prepared in such a way.
- the present invention thus also relates to a packaged power composition wherein said package is provided with instructions to admix the powder with a suitable amount of liquid, thereby resulting in a liquid composition with a viscosity between 1 and 60 mPa.s.
- the viscosity of the liquid is determined using a Physica Rheometer MCR 300 (Physica Messtechnik GmbH, Ostfilden, Germany) at a shear rate of 95 s -1 at 20 °C.
- prevention of a disease or certain disorder also means ‘reduction of the risk’ of a disease or certain disorder and also means‘treatment of a person at risk’ of said disease or said certain disorder.
- the methods according to the present invention comprising administering the present nutritional composition also refer to administering an effective amount of the nutritional composition to an individual in need of such treatment.
- the inventors have found, using untargeted 16S rR A gene amplicon sequencing, that upon consumption of the nutritional composition of the present invention the intestinal microbiota of infants is more similar to the intestinal microbiota of breastfed infants.
- This technique examines the effect on the whole intestinal microbiome, and not only obtains results of targeted, known bacteria. It is known that with such techniques the results obtained in faecal samples are representative for the microbiota in the intestine, in particular the large intestine. When referring to intestinal microbiota, this is preferably the microbiota of the large intestine.
- the intestinal microbiota was more similar to breastfed infants’ intestinal microbiota when compared to the intestinal microbiota of infants fed a formula that comprised non-digestible oligosaccharides but was not fermented, and when compared to the intestinal microbiota of infants fed a partly fermented formula without non-digestible oligosaccharides.
- the biggest difference was observed when compared to the intestinal microbiota of infants fed a conventional non- fermented formula without non-digestible oligosaccharides. This is indicative of a synergistic effect of the fermented formula and the non-digestible oligosaccharides.
- intestinal microbiota of infants fed a formula that was partly fermented and comprised non- digestible oligosaccharides was more similar to the intestinal microbiota of breastfed infants in the aspects of having a low alpha-diversity (as determined with the Chao-l index), having a lower abundance of Blautia, and/or Erysipelotrichales, and/or having an increased abundance of Lactobacillus, compared to the intestinal microbiota of infants fed exclusively or even predominantly a nutritional composition not according to the present invention, in particular a nutritional composition not being at least partly fermented by lactic acid producing bacteria and/or not comprising non-digestible oligosaccharides.
- promoting the development of an intestinal microbiota refers to an intestinal microbiota that has a lower alpha-diversity, preferably as determined by Chao-l index, compared to the intestinal microbiota of the human subject fed a nutritional composition not being at least partly fermented by lactic acid producing bacteria and comprising 0.02 to 1.5 wt% of the sum of lactic acid and lactate based on dry weight and/or not comprising non-digestible oligosaccharides.
- the present invention concerns a method for lowering the alpha-diversity of the intestinal microbiota in human subjects with an age of 36 months or below, comprising administering a nutritional composition that is at least partly fermented by lactic acid producing bacteria wherein the nutritional composition comprises 0.02 to 1.5 wt% based on dry weight of the sum of lactic acid and lactate and wherein the nutritional composition comprises 2.5 to 15 wt% based on dry weight non-digestible oligosaccharide, preferably for lowering the alpha- diversity of the intestinal microbiota compared to the alpha-diversity of the intestinal microbiota in human subjects with the same age fed with a nutritional composition not being at least partly fermented by lactic acid producing bacteria and comprising 0.02 to 1.5 wt% of the sum of lactic acid and lactate based on dry weight and/or not comprising non-digestible oligosaccharides.
- the present method for lowering the alpha-diversity of the intestinal microbiota can also be seen as a non-medical method for lowering the alpha-diversity of the intestinal microbiota.
- the invention can also be worded as the use of a fermented composition and non-digestible oligosaccharide for the manufacture of a nutritional composition that is at least partly fermented by lactic acid producing bacteria wherein the nutritional composition comprises 0.02 to 1.5 wt% based on dry weight of the sum of lactic acid and lactate and wherein the nutritional composition comprises 2.5 to 15 wt% based on dry weight of non-digestible oligosaccharide, for use in lowering the alpha-diversity of the intestinal microbiota in human subjects with an age of 36 months or below, preferably for use in lowering the alpha-diversity of the intestinal microbiota compared to the alpha-diversity of the intestinal microbiota in human subjects with the same age fed with a nutritional composition not being at least partly fermented by lactic acid producing bacteria and comprising 0.02 to 1.5 wt% of the sum of lactic acid and lactate based on dry weight and/or not comprising non-digestible oligosacchari
- the invention can also be worded as a nutritional composition that is at least partly fermented by lactic acid producing bacteria wherein the nutritional composition comprises 0.02 to 1.5 wt% based on dry weight of the sum of lactic acid and lactate and wherein the nutritional composition comprises 2.5 to 15 wt% based on dry weight of non-digestible oligosaccharide, for use in in lowering the alpha-diversity of the intestinal microbiota in human subjects with an age of 36 months or below, preferably for use in lowering the alpha-diversity of the intestinal microbiota compared to the alpha-diversity of the intestinal microbiota in human subjects with the same age fed with a nutritional composition not being at least partly fermented by lactic acid producing bacteria and comprising 0.02 to 1.5 wt% of the sum of lactic acid and lactate based on dry weight and/or not comprising non-digestible oligosaccharides.
- Erysipelotrichales is an order belonging to the class of Erysipelotrichia and the phylum Firmicutes. It is a group that is more abundant in high fat diet consuming adults and typically lower in breastfed infants.
- Blautia recently reclassified as a portion of the Ruminococcus genus (mostly related to Ruminococcus obeum ), is present in the adult intestinal microbiota and one of the dominant members of the normal gastrointestinal microbiota. Abundances have been reported between 2.5%-l6%. Increased Blautia has been associated in IBS patients. The common feature of Blautia species is the utilization of hydrogen and carbon dioxide to form acetate. Species of the Blautia genus are hydrogen producing organisms that have been demonstrated to be involved in digesting plant fibres. Blautia coccoides can be considered as adult-type commensal bacteria, since they are hardly present during early life microbiota development.
- the intestinal microbiota of healthy infants forms very little gas and so it is believed that for the microbiota in infants the presence of Blautia is indicative of an increased amount of intestinal gas formation and hence reflect a disturbed or at least different microbial fermentation profile as compared to breastfed infants.
- Lactobacilli belong to the lactic acid producing bacteria and are found in higher amounts in the intestinal microbiota of breastfed infants than in the microbiota of conventional formula fed infants.
- the present invention concerns a method for lowering the abundance of Blautia and/or Erysipelotrichales and/or increasing the abundance of Lactobacillus, preferably for lowering the abundance of Blautia and/or Erysipelotrichales , more preferably for lowering the abundance of Blautia in the intestinal microbiota in human subjects with an age of 36 months or below, comprising administering a nutritional composition that is at least partly fermented by lactic acid producing bacteria wherein the nutritional composition comprises 0.02 to 1.5 wt% based on dry weight of the sum of lactic acid and lactate and wherein the nutritional composition comprises 2.5 to 15 wt% based on dry weight non-digestible oligosaccharide, preferably for lowering the abundance of Blautia and/or Erysipelotrichales and/or increasing the abundance of Lactobacillus, preferably for lowering the abundance of Blautia and/or Erysipelotrichales, more preferably for lowering the abundance of Blautia
- the present method for lowering the abundance of Blautia and/or Erysipelotrichales and/or increasing the abundance of Lactobacillus the intestinal microbiota can also be seen as a non medical method for lowering the abundance of Blautia and/or Erysipelotrichales and/or increasing the abundance of Lactobacillus in the intestinal microbiota.
- the invention can also be worded as the use of a fermented composition and non-digestible oligosaccharide for the manufacture of a nutritional composition that is at least partly fermented by lactic acid producing bacteria wherein the nutritional composition comprises 0.02 to 1.5 wt% based on dry weight of the sum of lactic acid and lactate and wherein the nutritional composition comprises 2.5 to 15 wt% based on dry weight of non-digestible oligosaccharide, for use in lowering the abundance of Blautia and/or Erysipelotrichales and/or increasing the abundance of Lactobacillus, preferably for lowering the abundance of Blautia and/or Erysipelotrichales, more preferably for lowering the abundance of Blautia in the intestinal microbiota in human subjects with an age of 36 months or below, preferably for use in lowering the abundance of Blautia and/or Erysipelotrichales and/or increasing the abundance of Lactobacillus, preferably for lowering the abundance of B
- the invention can also be worded as a nutritional composition that is at least partly fermented by lactic acid producing bacteria wherein the nutritional composition comprises 0.02 to 1.5 wt% based on dry weight of the sum of lactic acid and lactate and wherein the nutritional composition comprises 2.5 to 15 wt% based on dry weight of non-digestible oligosaccharide, for use in in lowering the abundance of Blautia and/or Erysipelotrichales and/or increasing the abundance of Lactobacillus, preferably for lowering the abundance of Blautia and/or Erysipelotrichales, more preferably for lowering the abundance of Blautia in the intestinal microbiota in human subjects with an age of 36 months or below, preferably for use in lowering the abundance of Blautia and/or Erysipelotrichales and/or increasing the abundance of Lactobacillus, preferably for lowering the abundance of Blautia and/or Erysipelotrichales, more preferably for lowering the abundance of B
- Chao 1 score is an indication of richness of the intestinal microbiota. It estimates the number of different species present in a sample. Whereas for adults it is desired to have an intestinal microbiota that is increased in richness or has a high richness, this is not the case for infants. Azad et al, 2013, CMAJ, 185(5) 385-394, observed that at the age of 4 months healthy infants that were not breast but formula fed had an increased Chao 1 index compared to the microbiota of breastfed infant.
- the alpha-diversity, preferably the Chao-l index, of the intestinal microbiota is at least 5% lower in infants fed the nutritional composition of the present invention compared to the intestinal microbiota of infants fed a conventional formula without fermented composition and/or non-digestible oligosaccharides, more preferably at least 10 %.
- the alpha-diversity, preferably the Chao-l index, of the intestinal microbiota is at least 5% lower in infants fed the nutritional composition of the present invention compared to the intestinal microbiota of infants fed a conventional formula without fermented composition and non-digestible oligosaccharides, more preferably at least 10 %.
- the alpha- diversity, preferably the Chao-l index, of the intestinal microbiota is not lower than compared to the intestinal microbiota of infants fed human milk.
- synonyms for promoting the development of the intestinal microbiota are developing, improving, inducing, maintaining, supporting or driving the intestinal microbiota.
- the promoting, developing, improving, inducing, maintaining or driving the intestinal microbiota towards an intestinal microbiota more similar to the intestinal microbiota found in breastfed infants are observed when compared to the intestinal microbiota of infants having been administered a nutritional composition not comprising a fermented composition and/or the non-digestible oligosaccharide, preferably not comprising the combination of fermented composition and the non-digestible oligosaccharide.
- the present nutritional composition is used for improving the intestinal microbiota in a human subject with an age of 0 to 36 months. In one embodiment the present nutritional composition is used for improving the intestinal microbiota in a human subject of 0 to 18 months, even more preferably an infant with an age of 12 months of age or below, even more preferably an infant with an age of 0 to 6 months, most preferably an infant of 0 to 4 months. In one embodiment the present nutritional composition is used for improving the intestinal microbiota in a toddler of 12 to 36 months, most preferably a toddler with an age of 18 to 30, or 24 months. Preferably the present nutritional composition is further used for providing nutrition to said human subject.
- the nutritional composition is administered for at least 1 week, more preferably for at least 4 weeks, more preferably for at least 8 weeks, even more preferably for at least 4 months.
- the methods or uses according to the present invention are for use in vaginally delivered infants.
- the methods or uses according to the present invention are for use in term infants, preferably for healthy term infants.
- the methods or uses according to the present invention are for use in healthy vaginally delivered infants.
- the methods or uses according to the present invention are for use in healthy infants bom by Caesarean section.
- the methods or uses according to the present invention are for use in human subjects with an age of 36 months or below that have a fragile or unbalanced intestinal microbiota or have intestinal microbial dysbiosis or human subjects with an age of 36 months or below that are at risk of having a fragile or unbalanced intestinal microbiota or intestinal microbial dysbiosis, preferably human subjects with an age of 36 months or below selected from the group consisting of preterm infants, infants bom small for gestational age, infants with low birth weight, infants or toddlers treated or having been treated by antibiotics, infants bom by Caesarean section, or infants or toddlers suffering or having suffered from an intestinal inflammation or intestinal infection or infants form mothers having been treated with antibiotics peri-natally.
- Microbial dysbiosis includes and preferably is dysbacteriosis.
- the microbial dysbiosis or dysbacteriosis is the dysbiosis in the colon.
- the nutritional composition of the present invention is for use in providing a healthy intestinal function and/or for use in preventing and/or treating intestinal microbiota dysbiosis in human subjects with an age of 36 months or below.
- Example 1 Effect of partly fermented infant formula with non-digestible oligosaccharides or control formula on intestinal microbiota composition compared with a breastfed reference group
- Experimental infant formula 1 is an infant formula containing 0.8g/l00ml non-digestible oligosaccharides of scGOS (source Vivinal® GOS) and lcFOS (source RaftilinHP®) in a 9: 1 wt ratio.
- scGOS source Vivinal® GOS
- lcFOS source RaftilinHP®
- 30% based on dry weight was derived from LactofidusTM, a commercially available infant formula marketed under brand name Gallia.
- LactofidusTM is a fermented milk derived composition and is produced by fermenting with S. thermophilus and comprises B. breve. A mild heat treatment is employed.
- the infant formula 1 comprised about 0.33 wt% (lactic acid + lactate) based on dry weight, of which at least 95% is L-lactic acid + L- lactate.
- the level of colony forming units of lactic acid producing bacteria, S. thermophilus, in infant formula 1 was about 2x10 4 cfu/g dry weight and was derived from the fermented composition LactofidusTM.
- Control infant formula 2 is a commercially available non-fermented infant formula without scGOS/lcFOS.
- the composition of the two formulae was similar in energy and macronutrient composition (per 100 ml: 66 kcal, 1.2 g protein (bovine whey protein/casein in 1/1 weight ratio), 7.7 g digestible carbohydrate (of which 7.6 g lactose), 3.4 g fat (mainly vegetable fat).
- the two infant formula further comprised vitamins, minerals, trace elements and other micronutrients according to international directive 2006/14 l/EC for infant formula.
- a group of infants was included being exclusively breastfed until 17 weeks of age.
- the ITT population consisted of 94 subjects in the experimental group, 105 subjects in the control group.
- Faecal samples were collected at of randomization or the day thereafter (baseline), at 8 weeks of age and at 16-17 weeks of age no later than one day after the last intake of study product.
- the faecal parameters were analysed in a subgroup of infants, which were selected on: natural birth (vaginal delivery), no use of probiotics, thickeners, antibiotics or other medication that could influence the microbiota from birth until the end of study participation, no laxatives three days or less prior to faecal sampling.
- This subgroup consisting of 30 subjects from each of the three study arms - a total of 90 subjects, resulting in a total of 270 stool samples.
- DNA extraction from stools samples was performed with QIAmp DNA Stool Mini Kit (Qiagen) according to the manufacturer’s protocol except for the addition of two bead-beating steps.
- Qiagen DNA Stool Mini Kit
- To 0.2 - 0.3 g of faecal sample 300 mg of 0.1 mm glass beads together with 1.4 mL of ASL (lysis) buffer and on this suspension the first bead-beating step was applied for 3x 30 sec (FastPrep- 24 instrument program 5.5). After addition of the InhibitEx tablet the second bead-beating step was applied for 3x 30 sec (FastPrep-24 instrument program 5.5) to homogenize the sample. Following each bead-beating step samples were cooled for 5 min on ice.
- Quantitative Insights Into Microbial Ecology (QIIME) pipeline version 1.8.0 was used to analyse the sequence data.
- Quality control filters were set to discard sequences with a length below 200 bases, with a length above 1000 bases, with a mean sequence quality score of less than 25, with any ambiguous bases, or contained homopolymer stretches of more than 6 bases.
- Chimeric sequences were filtered with QIIME’s own ChimeraS layer.
- OTU Operational Taxonomic Unit
- RDP Ribosomal Database Project Classifier
- the relative abundances of each taxon is primarily subjected to the Two-part statistics test (Wagner et al., 2011). In this test first the proportions of zeros in the two groups are compared, and then the medians of the non-zero data in the two groups are compared. The two parts are combined and one p-value is obtained for each taxon at each visit.
- pFDR positive false discovery rate
- Targeted microbiota quantification by qPCR showed that in comparison to the control the samples from the experimental group at 8 and 17 weeks of age showed statistically significant increased amounts of Bifidobacterium and a lower amount of the Clostridium difficile and Clostridium perfringens group, while at baseline these measurements showed no significant differences between the treatment groups. No significant effects on the total amount of bacteria was observed.
- the overall microbiota profile diversity can be summarized into one diversity index per sample.
- a diversity index better known as alpha-diversity
- the Chao-l index an estimate on species richness based on abundance data
- was and remained low for the breastfed reference group at 4 months median Chao 1 index was 91.37, Q1-Q3 66.71- 119.2; mean 90.17, 95% Confidence Interval (Cl) range 79.48-100.9
- Cl Confidence Interval
- Table 1 Genera with p ⁇ 0.05 and q ⁇ 0.05 (Two-part statistics) for the difference between Experimental and Control.
- Example 2 Consumption of fermented infant formula with non-digestible oligosaccharides improves the intestinal microbiota composition
- Test group 1 Infant formula 1 comprising per 100 ml: 66 kcal, 1.35 g protein (bovine whey protein/casein in 1/1 weight ratio), 8.2 g digestible carbohydrate (of which 5.6 g lactose, and 2.1 g maltodextrin), 3.0 g fat (mainly vegetable fat), 0.8 g non-digestible oligosaccharides comprising scGOS (source Vivinal® GOS) and lcFOS (source RaftilinHP®) in a 9:1 wt ratio. Of this infant formula about 50 % based on dry weight is derived from LactofidusTM.
- the infant formula comprised about 0.55 wt% lactic acid + lactate based on dry weight, of which at least 95% is L(+)- lactic acid/lactate.
- the composition further comprised vitamins, minerals, trace elements and other micronutrients according to international directive 2006/14 l/EC for infant formula.
- Test group 2 Infant formula 2, similar as formula 1 of which about 15% based on dry weight was derived from LactofidusTM.
- the infant formula comprised about 0.17 wt% lactic acid + lactate based on dry weight, of which at least 95% is L(+)- lactic acid/lactate.
- Test group 3 Infant formula 3, similar to infant formula 1, but without the non-digestible oligosaccharides scGOS and lcFOS.
- Test group 4 Infant formula 4, a non-fermented infant formula with 0.8 g non-digestible oligosaccharides comprising scGOS (source Vivinal® GOS) and lcFOS (source RaftilinHP®) in a 9: 1 wt ratio, but not comprising LactofidusTM and for the remainder similar in composition as infant formula 1.
- scGOS source Vivinal® GOS
- lcFOS source RaftilinHP®
- Lactobacilli An increased amount of Lactobacilli was found in group 1 compared to groups 3 and 4.
- a decreased amount of Blautia and Erysipelotrichales was found in group 1 and 2 compared to the groups 3 and 4. In all cases the difference between group 1 and 3 was statistically significant with p ⁇ 0.05.
- the overall microbiota profile diversity can be summarized into one diversity index per sample.
- the Chao-l Index was calculated at a depth of 1496 sequences per sample (deepest measurement possible with no missing values).
- the Chao-l estimate for group 1 had a lower value, so a indicative of a lower diversity (median 70.68, Q1-Q3 52.5- 145.9; mean 73.11, 95 % Cl interval 60.34 - 85.89) than group 3 without non-digestible oligosaccharides (median 104.2, Q1-Q3 77.69-139.8; mean 104.8, 95 % Cl interval 88.97- 120.7) and also lower than group 4 without fermented composition (median 97.32, Q1-Q3 68.99-120.5; mean 96.04, 95 % Cl 82.71-109.4).
- Example 3 Effect of fermented infant formula and non-digestible oligosaccharides on microbiota composition in infants
- Test group 1 Infant formula 1 was the experimental test formula: a modified cow’s milk-based infant formula for bottle-fed babies at the age of 0-6 months.
- the formula contained non- digestible oligosaccharides (a mix of galacto-oligosaccharides with an average degree of polymerisation below 6, and fructo-oligosaccharides, RaftilinHP from Orafti, with an average degree of polymerisation above 20) in an amount of about 0.9 g per 100 ml and comprising fermented infant formula Calisma® (sold by Gallia, France), which comprises B. breve and S. thermophilus, heat killed after a fermentation process, bacterial fermentation metabolites such as L-(+) lactate.
- the amount of L-lactate was above 0.05 wt% based on dry weight of the composition. No added non-digestible oligosaccharides were present.
- Test group 2 Infant formula 2 was a modified cow’s milk-based infant formula for bottle-fed babies at the age of 0-6 months (Nutrilon 1, sold by Nutricia, the Netherlands).
- the formula contained non-digestible oligosaccharides (NDO), a mix of galacto-oligosaccharides, Vivinal® GOS from FrieslandCampina Domo, with an average degree of polymerisation below 6, and fructo-oligosaccharides, RaftilinHP from Orafti, with an average degree of polymerisation above 20 in a w/w ratio of about 9:1 and in an amount of about 0.8 g per 100 ml.
- NDO non-digestible oligosaccharides
- Vivinal® GOS from FrieslandCampina Domo
- fructo-oligosaccharides RaftilinHP from Orafti
- the formula did not contain a fermented component.
- Test group 3 Infant formula 3 is a modified cow’s milk-based infant formula for bottle-fed babies at the age of 0-6 months and is a fermented infant formula Calisma® (sold by Gallia, France) which comprised B. breve and S. thermophilus, heat killed after a fermentation process, bacterial fermentation metabolites such as L-(+) lactate. The amount of L-lactate was above 0.05 wt% based on dry weight of the composition. No added non-digestible oligosaccharides were present.
- Control group Infant formula 4 was the control formula: a modified cow’s milk-based infant formula for bottle-fed babies at the age of 0-6 months, not comprising non-digestible oligosaccharides and not containing a fermented component.
- test formulas contained nucleotides and a fat blend that contained long chain fatty acids.
- the formula were similar in caloric content, protein content, fat blend and had a similar amount of digestible carbohydrates.
- the number of living bacteria in test products 2 and 3 was below 10 3 cfu/g.
- the formulas further comprised vitamins, minerals, trace elements and other micronutrients according to international directive 2006/14 l/EC for infant formula.
- FISH Fluorescence in situ hybridization
- Table 3 Percentage Blautia coccoides, as determined by FISH.
- a p ⁇ 0.05 Group 1 versus group 2
- b p ⁇ 0. 05 Group 1 versus group 3
- c p ⁇ 0.05 Group 1 versus group 4
- d p ⁇ 0.05 Group 2 versus group 3
- e p ⁇ 0.05 Group 2 versus group 4
- f p ⁇ 0.05 Group 3 versus group 4.
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