CN101524097B - Pomegranate fiber grain-containing liquid milk product and preparation method thereof - Google Patents
Pomegranate fiber grain-containing liquid milk product and preparation method thereof Download PDFInfo
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- CN101524097B CN101524097B CN2009101304588A CN200910130458A CN101524097B CN 101524097 B CN101524097 B CN 101524097B CN 2009101304588 A CN2009101304588 A CN 2009101304588A CN 200910130458 A CN200910130458 A CN 200910130458A CN 101524097 B CN101524097 B CN 101524097B
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Abstract
The invention provides a pomegranate fiber grain-containing liquid milk product and a preparation method thereof, wherein, the liquid milk product comprises milk and the pomegranate fiber grain for providing mastication mouthfeel; and the pomegranate fiber grain is obtained by inoculating pomegranate juice, culturing inoculated acetobacter xylinum in a fermenting way, and collecting the fiber. By reasonable prescription and suitable technology, the nutritional health care function of the pomegranate organically combines with the milk product, the wonderful feel of the real pomegranate is given to customers in sense organ and mouthfeel, and the stability of products in long shelf life is realized.
Description
Technical field
The invention relates to a kind of liquid diary product and preparation method thereof, particularly a kind of liquid diary product that the pomegranate fiber grain of chewing mouthfeel can be provided and preparation method thereof that contains.
Background technology
Breast is nutritious, and advantages of easy digesting absorbs, and is the most approaching perfect food.With cow's milk is the liquid diary product of primary raw material, and for example milk beverage, seasoning breast, fortification breast etc. owing to contain the abundant nutrition of cow's milk, and numerous in variety, have become the important component part of people's diet.
Raising along with continuous innovation of product and living standards of the people; The consumer has increasingly high requirement to the form and the mouthfeel of product; The drink of food grains such as fruit-vegetable granules, coconut palm fruit granule has appearred on the market being added with in recent years; This type drink is on the feed liquid basis of liquid state, to be added with the various food grains of chewing mouthfeel can be provided, thereby brings the out-and-out and joyful sensation of chewing to the consumer, and this type drink receives consumer's favor gradually.
Pomegranate (Punica granatum Linn.) contains the nutritional labeling of multiple needed by human body, according to one's analysis, and about carbohydrate containing 17%, moisture 79%, sugar 13%～17%, several amino acids and trace element in the pomegranate fruit, and fat content is less.Be rich in mineral matters such as calcium, phosphorus, potassium, magnesium, zinc in the red pomegranate, and have two big antioxidant content---red Punica granatum L. polyphenol and anthocyanidin, also contain linolenic acid, vitamin C, B6, E and folic acid etc.That normal edible pomegranate has is aid digestion, anti-gastric-ulcer, softening blood vessel, reducing blood lipid and multiple functions such as blood sugar, reduction cholesterol; Can prevent coronary heart disease, hypertension; Can be good for the stomach and refresh oneself, whet the appetite, prolong life; The person of drinking beyond one's capacity there is sober-up function, can also replenishes skin institute dehydration branch, make skin matter more bright soft and moist.
CN101218970A discloses a kind of pomegranate dairy products and production method thereof; Alimentary health-care function with pomegranate combines with dairy products; Wherein be in dairy products, to add a certain amount of pomegranate Normal juice, and through specific prescription and technological design, to reduce nutritive loss in the milk.In this technology; The nutrition of pomegranate fully dissolving and dispersion in milk liquid in the finished product; The consumer can only be from the existence of local flavor sensation pomegranate; And in mouthfeel with visually be imperceptible, can't satisfy the consumer, the requirement of for example the product mouthfeel being chewed and to the requirement of natural, green and nutrition to the increasing demand of product form.And for pomegranate fruit, to chew mouthfeel with increase in the liquid diary product also be unpractical if the former grain of pomegranate fruit added to.
Based on particularity and other a variety of causes of pomegranate fruit, do not see at present and in liquid diary product, add the launch that the pomegranate particle of chewing mouthfeel can be provided, do not see the correlation technique report yet.
Summary of the invention
One object of the present invention is to provide a kind of liquid diary product that the pomegranate fiber grain of chewing mouthfeel can be provided that contains, and to diversify, enriches liquid diary product market.
Another object of the present invention is to provide a kind of liquid diary product that contains pomegranate fiber grain, gives more nutrition of product and delicious mouthfeel, to satisfy the requirement of consumer to nutrition and mouthfeel.
Another object of the present invention is to provide a kind of liquid diary product that contains pomegranate fiber grain, so that product makes product have good stable property when having abundant nutrition and delicious mouthfeel.
Another object of the present invention is to provide a kind of production to contain the method for the liquid diary product of pomegranate fiber grain, producing the liquid diary product that contains pomegranate fiber grain with delicious mouthfeel, and makes product have good stability.
In order to fill up the dairy market blank, the present invention handles pomegranate, is made into pomegranate fiber grain, adds in the liquid diary product then, thereby a kind of liquid diary product that the pomegranate fiber grain of chewing mouthfeel can be provided that contains is provided.
Specifically, on the one hand, the invention provides a kind of liquid diary product, wherein containing to provide the pomegranate fiber grain of chewing mouthfeel, and said pomegranate fiber grain is through inoculating juice of my pomegranate the acetobacter xylinum fermented and cultured, collecting fiber and obtain.
Among the present invention; Through juice of my pomegranate being inoculated the acetobacter xylinum fermented and cultured; Can produce the gel that is rich in fiber,, add in the liquid diary product so that the particle form of chewing mouthfeel can be provided again through the rinsing cutting; Thereby the alimentary health-care function of pomegranate is combined with newborn science, and the impression that brings real pomegranate to the consumer on sense organ and the mouthfeel.
According to specific embodiments of the present invention; Said pomegranate fiber grain is a kind of high fiber gel low in calories, moisture >=90% wherein, crude fibre >=3.0%; Total reducing sugar >=1.0%; Crude fat >=0.1%, crude protein >=0.7% (except that specifying, content described in the present invention and ratio are weight content and ratio).
According to preferred specific embodiments of the present invention, said pomegranate fiber grain forms according to following method:
Preparation contains the zymotic fluid of juice of my pomegranate, wherein contains juice of my pomegranate 20%～60%, lactose 3%～7%, NH
4Cl 0.25%～0.35%, and regulates pH value 3.8～4.3;
Insert acetobacter xylinum and carry out fermented and cultured, after cultivating 10 hours, add 1%～5% acetic acid, continued static culture 14～20 days, collect fiber then, rinsing, cutting obtains pomegranate fiber grain.
According to the pomegranate fiber grain that the present invention prepares, form is full, color and luster is beautiful, and mouthfeel is clear and melodious, sweet, and is lubricated delicate, and retention ability is strong, gives good sense organ and mouthfeel and enjoys.
According to specific embodiments of the present invention, in the liquid diary product of the present invention, said pomegranate fiber grain particle diameter is preferably 1～8mm, for example can be rule or the irregular particle of 1～8mm * 1～8mm * 1～8mm.The weight content of said pomegranate fiber grain in liquid diary product can be 1%～10%.
Liquid diary product described in the present invention mainly is meant and in the milk liquid of liquid state, contains the goods that the solid granulates form of chewing mouthfeel can be provided, and can be the seasoning breast, also can be milk beverage; Can be neutral products, also can be acid liquid milk product, the material liquid pH value of acid liquid milk product is preferably 4.1～4.5.Pomegranate fiber grain of the present invention has good sour tolerance, in the feed liquid of acidity, also can keep good mouthfeel and advantages of excellent stability.
According to specific embodiments of the present invention, the composition of the milk liquid part in the liquid diary product of the present invention can be to form according to the prescription of the liquid diary product of routine.
For giving liquid diary product of the present invention abundant nutrition, the content of milk protein in the liquid diary product of the present invention answers >=1.0%.Content of milk protein in the product physical and chemical index>=2.3% is commonly referred to seasoning breast (or flavored milk); 1.0%≤content of milk protein in the product physical and chemical index＜2.3% is commonly referred to milk beverage (or milk-contained drink).Said lactoprotein comes from raw milk (raw material milk), mainly is meant the fresh milk or the recombined milk that meet China fresh cow's milk acquisition criteria GB6914, can be the whole milk, also can be defatted milk or low fat milk.Usually, milk level >=30% in raw material is formed can satisfy content of milk protein >=1.0% in the product; Milk level >=80% in raw material is formed can satisfy content of milk protein >=2.3% in the product.Described raw milk also can be a sheep breast etc.
As specific embodiments of the present invention, the liquid diary product that contains pomegranate fiber grain of the present invention except that the raw material milk that is contained, also can contain the stabilizing agent of an amount of (being generally 0.1%～5%).As preferred specific embodiments, the content of stabilizing agent is generally 0.1%～1%.The stability that can be liquid diary product of selecting for use of stabilizing agent is given security.Said stabilizing agent mainly comprises thickener, and the main effect of thickener is so that pomegranate fiber grain can suspend more equably, to be beneficial to can for product milk liquid system provides viscosity in the milk liquid system.Be applicable to that thickener of the present invention can comprise: one or more in natural seaweed glue, sodium carboxymethylcellulose, pectin, propylene glycol alginate, gellan gum, starch, konjac glucomannan, flaxseed gum, dextrin, xanthans, microcrystalline cellulose, agar, gelatin, sodium alginate and the guar gums etc. such as carragheen and locust bean gum L.B.G.Stabilizing agent among the present invention is except that comprising thickener; Also optionally comprise emulsifying agent; Said emulsifying agent preferably includes: one or more in stearoyl lactate SSL, single hard fatty acid ester, sucrose fatty ester, polyglycerol ester, diacetyl tartaric acid monoglyceride and the butanedioic acid monoglyceride etc.; Gross weight with said liquid diary product is a benchmark, and the content of emulsifying agent is preferably 0.5 ‰～2 ‰.Selecting for use of these emulsifying agents can further be given security for the stability of the milk liquid system of liquid diary product of the present invention.The inventor finds under study for action; In the stabilizing agent in the liquid diary product of the present invention, comprise part by weight 1: 0.5～1 gellan gum and agar will be to suspending described pomegranate fiber grain and keep the stability of pomegranate fiber grain in milk liquid and have outstanding contribution.
The front chatted and, liquid diary product of the present invention can be acid product, in the milk formula of liquid, can utilize acidity regulator to regulate the pH value of feed liquid.Said acidity regulator can be selected from one or more in lactic acid, citric acid, malic acid, tartaric acid and the phosphoric acid etc.Gross weight with this liquid lacteal product is a benchmark, and the consumption of acidity regulator is generally 0.2%～0.7%.
In the liquid diary product that contains pomegranate fiber grain of the present invention; Also selectivity is added with as required: nutrient (dietary fiber, vitamin and/or composite nutrient), fruit juice, vegetable juice, sweet taste material (carbohydrate or sweetener; Usually make product have the sugariness that is converted to 4%～20% cane sugar content), in flavoring essence, salt or other flavoring substance or the additive etc. one or more; To give the abundant more nutrition of product or further to improve product special flavour, increase the kind of product.In the liquid diary product that contains pomegranate fiber grain of the present invention, also can be as required suitably selectivity be added with edible particles such as fruit-vegetable granules or coconut palm fruit granule, to diversify, enrich taste and mouthfeel.The selection of these materials and addition can be confirmed for a person skilled in the art according to actual needs.
Also can include an amount of water in the formula for a product of the present invention, be 100% to satisfy each component sum.
In a specific embodiments of the present invention; The batching of liquid diary product of the present invention is formed and is comprised: milk 30%～80%; Stabilizing agent 0.1%～5%, pomegranate fiber grain 1%～10%, sweet taste material an amount of (amounting to into 4%～20% cane sugar content), water are an amount of.Preferably, wherein said stabilizing agent comprises gellan gum and agar, and the weight ratio of gellan gum and agar is 1: 0.5～1.
In the liquid diary product of the present invention, said pomegranate fiber grain density is smaller, and being beneficial to suspends in the milk liquid of product more equably distributes.According to specific embodiments of the present invention; The liquid diary product that contains pomegranate fiber grain of the present invention; The viscosity of milk liquid preferably is controlled to be 15～30 centipoises (medium viscosity condition determination of the present invention: BROKFIELD DV-III type viscosimeter, 20 ℃) in the system, and the distribution of pomegranate fiber grain in milk liquid is more uniform; The overwhelming majority is even suspended state, in actual industrial production, can realize the even can of pomegranate fiber grain at each packing unit.And the material in this range of viscosities has good processing characteristics and storage characteristics.
Product of the present invention can be preserved at normal temperatures, and whole liquid milk system all is more stablely phenomenons such as serious fat floating, albumen precipitation, suction grumeleuse can not occur uniformly in reaching 6 months shelf life, has good stable property.
On the other hand, the present invention also provides a kind of said method that contains the liquid diary product of pomegranate fiber grain of making, and this method comprises:
Except that pomegranate fiber grain other raw material in the liquid diary product is mixed, obtain the liquid base material of suckling;
To obtain containing the liquid diary product of pomegranate fiber grain through juice of my pomegranate being inoculated the acetobacter xylinum fermented and cultured, collect pomegranate fiber grain that fiber makes and being suckled that liquid base material mixes, can.
Among the present invention; The step of said preparation milk liquid base material specifically can be carried out according to the routine operation in this area, for example: squeeze in the material-compound tank after can auxiliary materials such as stabilizing agent, white granulated sugar fully being dissolved, fully mix with milk in the material-compound tank; Need carry out acid adjustment like the production acid product; Then mixed liquor is carried out homogeneous, homogenization pressure is generally 15～28MPa, and homogenizing temperature is 50～75 ℃; Also can suitably regulate acidity as required behind the homogeneous, or add essence, nutrient etc., the milk liquid base material that obtains preparing can be temporarily stored in the temporary jar of a batching.
Among the present invention, the making of said pomegranate fiber grain is preferably carried out according to following steps:
Preparation contains the zymotic fluid of juice of my pomegranate, wherein contains juice of my pomegranate (can pomegranate be obtained pomegranate Normal juice through peeling, fragmentation, filtration) 20%～60%, lactose 3%～7%, NH
4Cl 0.25%～0.35%, and regulates pH value 3.8～4.3 (preferably utilizing the lemon acid for adjusting pH value);
The zymotic fluid that contains juice of my pomegranate for preparing can carry out sterilization, preferably carries out pasteurize, squeezes in the fermentation tank afterwards and cools off;
(seed culture of acetobacter xylinum can be carried out with reference to the prior art or the routine operation in affiliated field to insert acetobacter xylinum then; Inoculum concentration is generally 3%～6%) carry out static fermentation and cultivate; Preferred fermented and cultured temperature is 25 ℃～33 ℃ among the present invention, most preferably about 30 ℃.Among the present invention, preferably add 1%～5% acetic acid after 10 hours and (add acetic acid required carbon source can replenish thalli growth the time, promote the generation of fibre weight in fermented and cultured; And can effectively suppress living contaminants), continue static fermentation and cultivated 14～20 days, can form the gel layer that is rich in fiber; Wherein, adding the cultivation of acetic acid continued after 10～48 hours, can carry out packing as required; And then continue to leave standstill and cultivated 14～20 days, form the gel layer that is rich in fiber.Collect the gel layer that this is rich in fiber then, rinsing, cutting, making to provide the particle of chewing mouthfeel (because of this particle is formed by the juice of my pomegranate fermentation, and be rich in fiber, be called " pomegranate fiber grain " among the present invention).Make the pomegranate fiber grain that obtains, wherein moisture >=90% according to this method; Crude fibre >=3.0%; Total reducing sugar >=1.0%; Crude fat >=0.1; Crude protein >=0.7%; Fragrance with pomegranate, form is full, color and luster is beautiful, and mouthfeel is clear and melodious, sweet, and lubricated delicate, retention ability is strong, has good sense organ and mouthfeel.
In the method for the present invention, pomegranate fiber grain and milk the mixing of liquid base material, can be carried out with reference to the technology that existing production contains the liquid diary product of fruit-vegetable granules.Among the present invention, can with said milk liquid base material and pomegranate fiber grain respectively after the sterilization under aseptic condition mixing filling, also can be with said milk liquid base material and sterilization can again after pomegranate fiber grain mixes.Wherein, the condition of the independent sterilization of said pomegranate fiber grain can for: pomegranate fiber grain is mixed with suitable quantity of water or liquid glucose, is warming up to more than 85 ℃, the insulation carry out sterilization more than 10 minutes, obtain the pomegranate fiber grain material of commercial sterilization; Be preferable over 85～90 ℃ of control sterilization temperatures, sterilization temperature retention time 10～15 minutes.Pomegranate fiber grain of the present invention has good hear resistance, under this sterilization conditions, can not melt distortion basically, can avoid the nutriment loss in the pomegranate fiber grain simultaneously to greatest extent.Among the present invention, pomegranate fiber grain joins the mode (should notice that the stirring dynamics is broken with the deduction and exemption particle) that milk mixes in the liquid base material with pomegranate fiber grain with can adopting mixing of milk liquid base material, also can adopt online hybrid mode.Also can first can pomegranate fiber grain among the present invention and then can milk liquid base material; Promptly can be earlier the pomegranate fiber grain material dosing of commercial sterilization be filled in the packaging unit; And then base-material is cooled to 85～90 ℃; Hot filling or be cooled to obtain containing the liquid diary product product of pomegranate fiber grain in the packaging unit of pomegranate fiber grain material that has been filled to can of cryogenic sterile below 30 ℃.
The liquid diary product that contains pomegranate fiber grain of the present invention can adopt packaged forms such as Tetra Pak, Lilezhen, Bai Libao, Kang Meibao, PET bottle, iron flask.Product after the can is further packed, is checked, and can dispatch from the factory after qualified.
The all commercially available acquisition of used each raw material among the present invention, each raw material should meet the respective quality standard-required.Except that above-mentioned explanation, the prior art in conventional equipment under operation of specifically not mentioning in the production technology of the present invention and device therefor all can adopt in the field or the affiliated field of reference is carried out.
In sum, technology of the present invention has following beneficial effect:
The liquid diary product that contains pomegranate fiber grain of the present invention; The pomegranate fiber grain that contains the juice of my pomegranate ferment making in the product; The nutrition of milk and the nourishing healthy and the chewiness of pomegranate fiber grain are effectively combined, increased the kind of product, obviously improved the local flavor and the mouthfeel of product; Make the consumer in mouthfeel with visually feel the necessary being of pomegranate nutrition really, thereby bring genuine goods at a fair price and joyful sensation to the consumer.The present invention is through reasonably filling a prescription and appropriate process; Realized the stability of product in long shelf life; And particle can be in milk liquid more intactly, the even stable suspension of long period, product can reach effect steady in a long-term, is beneficial to the sales range of expansion product.
The specific embodiment
Below specify technology of the present invention and characteristics through specific embodiment, be intended to help the reader to understand technical spirit of the present invention and the beneficial effect that can produce better, can not be interpreted as qualification to practical range of the present invention.
The acidic milk drink of embodiment 1, pomegranate fiber grain-containing and production method thereof
One, the prescription of the acidic milk drink of pomegranate fiber grain-containing (in one ton of product):
350 kilograms in milk
50 kilograms of white granulated sugars
1.0 kilograms of gellan gums
1.0 kilograms in agar
3 kilograms of sodium carboxymethylcelluloses
0.9 kilogram of diacetyl tartaric acid monoglyceride
2.6 kilograms of lactic acid
2.2 kilograms of citric acids
76.92 kilograms of pomegranate fiber grain materials (wherein pomegranate fiber fruit grain net content is about 52 kilograms)
0.2 kilogram in essence
Excess water
Raw material standard:
Milk: protein >=2.95%, fat >=3.0%, non-fat solid >=8.5%.
Each raw material meets the respective quality standard-required.
Two, the production method of the acidic milk drink of pomegranate fiber grain-containing
1) preparation of milk liquid base material: with the fully dissolving in water of white granulated sugar, gellan gum, agar, sodium carboxymethylcellulose, diacetyl tartaric acid monoglyceride, the cooling back mixes with milk, adds lactic acid and citric acid acid adjustment; Replenish suitable quantity of water, get into material-compound tank, add flavoring essence; Mix, carry out homogeneous then, 60～65 ℃ of homogenizing temperatures; Homogenization pressure is that (transfer the secondary pressure handle earlier, pressure regulation is to 80bar for 280bar; Transfer the first class pressure handle again, pressure regulation is to 280bar), through 115 ℃ of tubular type sterilization machines, 15～30s sterilization, obtain the liquid base material of suckling behind the homogeneous.
2) preparation of pomegranate fiber grain: pomegranate through peeling, fragmentation, filtration, is got juice of my pomegranate, be mixed with juice of my pomegranate content 50%, lactose 5%, NH
4The solution of Cl 0.3%, and with 4.0,85 ℃ of lemon acid for adjusting pH value, 15S sterilization; Be cooled to 30 ℃ and squeeze in the fermentation tank, insert 30 ℃ of cultivations of acetobacter xylinum (inoculum concentration 5%, seed culture are cultivated operation by the routine of acetobacter xylinum and carried out) after 10 hours; The acetic acid that adds zymotic fluid weight 5% continues fermentation 10 hours, and packing was left standstill 15 days then; The gel of fiber is rich in formation, and normal fragrance and the color and luster of pomegranate arranged, and collects this gel; Use the pure water rinsing, cutting obtains the pomegranate fiber grain (fruit grain) that particle diameter is about 5mm.Through detection, wherein moisture >=90%; Crude fibre >=3.0%; Total reducing sugar >=1.0%; Crude fat >=0.1; Crude protein >=0.7%.
In the present embodiment, place liquid glucose to store prepared pomegranate fiber grain, fruit grain content >=65.0% wherein, liquid glucose pH 3.5～4.3 (utilizing citric acid to regulate), pol 23BX.This liquid glucose that contains pomegranate fiber grain is being warming up under the stirring more than 85 ℃, and insulation obtained the pomegranate fiber grain material of commercial sterilization more than 10 minutes.
3) the pomegranate fiber grain mass transport that feed liquid can: at first utilize impeller pump) obtains to fruit grain bottle placer with step 2; The pomegranate fiber grain material dosing of commercial sterilization is filled in the packaging unit; In the base-material that then step 1) is obtained heat about 90 ℃ the has been poured into can packaging unit of pomegranate fiber grain material, obtain the milk beverage of described pomegranate fiber grain-containing.
The product of present embodiment detects index: fat content is 1.20%; Protein content is 1.10%; Soluble solid is 12.5%, and the viscosity of this acidic milk drink product that records 20 ℃ the time with BROKFIELD DV-III type viscosimeter is about 21.8 centipoises, and the pH value is about 4.3.This product integrality is even, and pomegranate fiber grain is even suspended dispersed in milk liquid; Smooth mouth feel is smooth and easy when drinking, and the grain sense along sliding mouthfeel and pomegranate fiber grain of milk is arranged, and has the fragrance of frankincense and fruity simultaneously.
The acidic flavored breast and the production method thereof of embodiment 2, pomegranate fiber grain-containing
The prescription of the acidic flavored breast of pomegranate fiber grain-containing (in one ton of product):
800 kilograms in milk
60 kilograms of white granulated sugars
1.0 kilograms of gellan gums
0.5 kilogram in agar
3 kilograms of sodium carboxymethylcelluloses
0.9 kilogram of diacetyl tartaric acid monoglyceride
2.8 kilograms of lactic acid
2.3 kilograms of citric acids
92.3 kilograms of pomegranate fiber grain materials (wherein pomegranate fiber fruit grain net content is about 62 kilograms)
0.2 kilogram in essence
Excess water
Raw material standard:
Milk: protein >=2.95%, fat >=3.0%, non-fat solid >=8.5%.
Each raw material meets the respective quality standard-required.
The production method of the acidic flavored breast of the pomegranate fiber grain-containing of present embodiment:
1) preparation of milk liquid base material: white granulated sugar, gellan gum, agar, sodium carboxymethylcellulose, diacetyl tartaric acid monoglyceride are mixed with change material milk, add lactic acid and citric acid acid adjustment (diluting), can replenish suitable quantity of water with suitable quantity of water; Get into material-compound tank, add flavoring essence, mix; Carry out homogeneous then, 65 ℃ of homogenizing temperatures, homogenization pressure are 250bar; Through 115 ℃ of tubular type sterilization machines, 15～30s sterilization, obtain the liquid base material of suckling behind the homogeneous.
2) preparation of pomegranate fiber grain: pomegranate through peeling, fragmentation, filtration, is got juice of my pomegranate, be mixed with juice of my pomegranate content 40%, lactose 6%, NH
4The solution of Cl 0.3%, and with 4.1,85 ℃ of lemon acid for adjusting pH value, 15S sterilization; Be cooled to 30 ℃ and squeeze in the fermentation tank, insert 30 ℃ of cultivations of acetobacter xylinum (inoculum concentration 4%, seed culture are cultivated operation by the routine of acetobacter xylinum and carried out) after 12 hours; The acetic acid that adds zymotic fluid weight 3% continues fermentation 24 hours, and packing was left standstill 18 days then; The gel of fiber is rich in formation, and normal fragrance and the color and luster of pomegranate arranged, and collects this gel; Use the pure water rinsing, cutting obtains the pomegranate fiber grain (fruit grain) that particle diameter is about 6mm.Through detection, wherein moisture >=90%; Crude fibre >=3.0%; Total reducing sugar >=1.0%; Crude fat >=0.1; Crude protein >=0.7%.
In the present embodiment, place liquid glucose to store prepared pomegranate fiber grain, fruit grain content >=65.0% wherein, liquid glucose pH 4.3 (utilizing citric acid to regulate), pol 23BX.This liquid glucose that contains pomegranate fiber grain is being warming up under the stirring more than 85 ℃, and insulation obtained the pomegranate fiber grain material of commercial sterilization more than 10 minutes.
3) the pomegranate fiber grain mass transport that feed liquid can: at first utilize impeller pump) obtains to fruit grain bottle placer with step 2; The pomegranate fiber grain material dosing of commercial sterilization is filled in the packaging unit; In the base-material that then step 1) is obtained heat about 90 ℃ the has been poured into can packaging unit of pomegranate fiber grain material, obtain the seasoning breast of the pomegranate fiber grain-containing of present embodiment.
The product of present embodiment detects index: protein: 2.35%; Fat: 2.5%; Soluble solid is 18.3%, and the viscosity of this acidic flavored milk product that records 20 ℃ the time with BROKFIELD DV-III type viscosimeter is about 26.8 centipoises, and the pH value is about 4.4.This product integrality is even, and pomegranate fiber grain is even suspended dispersed in milk liquid; Smooth mouth feel is smooth and easy when drinking, and the grain sense along sliding mouthfeel and pomegranate fiber grain of milk is arranged, and has the fragrance of frankincense and fruity simultaneously.
The neutral milk beverage and the production method thereof of embodiment 3, pomegranate fiber grain-containing
One, the prescription of the neutral milk beverage of pomegranate fiber grain-containing (in one ton of product):
350 kilograms in milk
60 kilograms of white granulated sugars
2.3 kilograms of sodium alginates
0.8 kilogram of carragheen
1 kilogram of gellan gum
0.9 kilogram of single hard fatty acid ester
0.7 kilogram in agar
46.15 kilograms of pomegranate fiber grain materials (wherein pomegranate fiber fruit grain net content is about 30 kilograms)
0.2 kilogram in essence
Excess water
Raw material standard:
Milk: protein >=2.95%, fat >=3.0%, non-fat solid >=8.5%.
Each raw material meets the respective quality standard-required.
Two, the production method of the neutral milk beverage of pomegranate fiber grain-containing
1) preparation of milk liquid base material: with the fully dissolving in water of white granulated sugar, sodium alginate, carragheen, gellan gum, agar, single hard fatty acid ester, the cooling back mixes with milk, replenishes suitable quantity of water; Get into material-compound tank; Add flavoring essence, mix, carry out homogeneous then; 70～75 ℃ of homogenizing temperatures, homogenization pressure are that 280bar (transfers secondary to make Pressure gauge be designated as 80bar earlier; Transfer one-level to make Pressure gauge be designated as 280bar again), through 115 ℃ of tubular type sterilization machines, 15～30s sterilization, obtain the liquid base material of suckling behind the homogeneous;
2) preparation of pomegranate fiber grain: pomegranate through peeling, fragmentation, filtration, is got juice of my pomegranate, be mixed with juice of my pomegranate content 50%, lactose 5%, NH
4The solution of Cl 0.3%, and with 4.0,85 ℃ of lemon acid for adjusting pH value, 15S sterilization; Be cooled to 30 ℃ and squeeze in the fermentation tank, insert 30 ℃ of acetobacter xylinums (inoculum concentration 6%, the acetobacter xylinum seed culture is undertaken by prior art) and cultivate after 10 hours; The acetic acid that adds zymotic fluid weight 5% continued static fermentation 10 hours, and packing was left standstill 14 days then; The gel of fiber is rich in formation, and normal fragrance and the color and luster of pomegranate arranged, and collects this gel; Use the pure water rinsing, cutting obtains the pomegranate fiber grain (fruit grain) that particle diameter is about 5mm.Through detection, wherein moisture >=90%; Crude fibre >=3.0%; Total reducing sugar >=1.0%; Crude fat >=0.1; Crude protein >=0.7%.
In the present embodiment, place liquid glucose to store this pomegranate fiber grain, flesh-content >=65.0% wherein, pol 23BX.This liquid glucose that contains pomegranate fiber grain is being warming up under the stirring more than 85 ℃, and insulation obtained the pomegranate fiber grain material of commercial sterilization more than 10 minutes.
3) the pomegranate fiber grain mass transport that feed liquid can: at first utilize impeller pump) obtains to fruit grain bottle placer with step 2; With the pomegranate fiber grain quantitative filling of commercial sterilization in packaging unit; The base-material that then step 1) is obtained be cooled to 20 ℃ of left and right sides cold-penetrations to can in the packaging unit of pomegranate fiber grain material, obtain the milk beverage of the pomegranate fiber grain-containing of present embodiment.
The detection index of present embodiment product: fat content is 1.0%; Protein content is about 1.50%; Soluble solid is about 12.5%, and the viscosity of this neutrality milk beverage that records 20 ℃ the time with BROKFIELD DV-III type viscosimeter is about 19.8 centipoises, and the pH value is about 6.6.This product integrality is even, and pomegranate fiber grain is even suspended dispersed in milk liquid; Smooth mouth feel is smooth and easy when drinking, and the grain sense along sliding mouthfeel and pomegranate fiber grain of milk is arranged, and has the fragrance of frankincense and fruity simultaneously.
The neutral seasoning breast and the production method thereof of embodiment 4, pomegranate fiber grain-containing
The prescription (in one ton of product) of the neutral seasoning breast of pomegranate fiber grain-containing:
800 kilograms in milk
60 kilograms of white granulated sugars
1.0 kilograms of gellan gums
0.8 kilogram of sodium alginate
0.9 kilogram in agar
0.9 kilogram of single hard fatty acid ester
0.1 kilogram of xanthans
61.54 kilograms of pomegranate fiber grain materials (wherein pomegranate fiber fruit grain net content is about 42 kilograms)
0.2 kilogram in essence
Excess water
Raw material standard:
Milk: protein >=2.95%, fat >=3.0%, non-fat solid >=8.5%.
Each raw material meets the respective quality standard-required.
The production method of the neutral seasoning breast of the pomegranate fiber grain-containing of present embodiment:
1) preparation of milk liquid base material: white granulated sugar, stabilizing agent are mixed with change material milk, carry out homogeneous, 65 ℃ of homogenizing temperatures, homogenization pressure is 280bar, adds flavoring essence behind the homogeneous, and additional suitable quantity of water, mixing obtains the liquid base material of suckling.
2) preparation of pomegranate fiber grain: pomegranate through peeling, fragmentation, filtration, is got juice of my pomegranate, be mixed with juice of my pomegranate content 50%, lactose 6%, NH
4The solution of Cl 0.3%, and with 4.1,85 ℃ of lemon acid for adjusting pH value, 15S sterilization; Be cooled to about 30 ℃ and squeeze in the fermentation tank, insert 30 ℃ of cultivations of acetobacter xylinum (inoculum concentration 4%, seed culture are cultivated operation by the routine of acetobacter xylinum and carried out) after 10 hours; The acetic acid that adds zymotic fluid weight 2% continues fermentation 24 hours, and packing was left standstill 15 days then; The gel of fiber is rich in formation, and normal fragrance and the color and luster of pomegranate arranged, and collects this gel; Use the pure water rinsing, cutting obtains the pomegranate fiber grain (fruit grain) that particle diameter is about 4～6mm.Through detection, wherein moisture >=90%; Crude fibre >=3.0%; Total reducing sugar >=1.0%; Crude fat >=0.1; Crude protein >=0.7%.
In the present embodiment, prepared pomegranate fiber grain is added in the liquid glucose, obtain the material of pomegranate fiber grain-containing, fruit grain content >=65.0% wherein, pol 23BX.
3) the pomegranate fiber grain material that mixing of materials can: with step 2) obtains is online to be added in the milk liquid base material that step 1) obtains; Mixed material is through 115 ℃ of tubular type sterilization machines, 15～30s sterilization; And be cooled to be filled in the packaging unit about 20 ℃, obtain the seasoning breast of the pomegranate fiber grain-containing of present embodiment.
The detection index of present embodiment product: fat content is about 2.60%; Protein content is about 2.30%; Soluble solid is about 20.3%, and the viscosity of this neutrality seasoning milk product that records 20 ℃ the time with BROKFIELD DV-III type viscosimeter is about 20.6 centipoises, and the pH value is about 6.5.This product integrality is even, and pomegranate fiber grain is even suspended dispersed in milk liquid; Smooth mouth feel is smooth and easy when drinking, and the grain sense along sliding mouthfeel and pomegranate fiber grain of milk is arranged, and has the fragrance of frankincense and fruity simultaneously.
The Detection of Stability of product system
1, the product with embodiment 1～4 is a laboratory sample, and the finished product (leaching pomegranate fiber grain) of getting 10ml is put into the centrifuge tube of band scale, through the centrifugal 10min of 3000rpm.After the centrifugal end, observe precipitation capacity and centrifugal elutriation amount,, prove that this product is stable if precipitation capacity is lower than 1% (percent by volume).Centrifugal result such as following table 1.
Table 1:
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Centrifugation amount (volume %) | 0.4 | 0.3 | 0.6 | 0.5 |
| Centrifugal elutriation (volume %) | Do not have | Do not have | Do not have | Do not have |
2, the product with embodiment 1～4 is a laboratory sample; Respectively in normal temperature, 37 ℃, 43 ℃ temperature conditions held; Investigate the fat floating stability of product system; After sample rolls off the production line, place respectively and observed in the 1st, 3,5,7,15,30 day,, prove that this product is stable as not occurring phenomenons such as serious fat floating, flocculation, layering, elutriation in the fruit product.Investigate result such as following table 2:
Table 2:
The stability that pomegranate fiber grain distributes in the product
Product with embodiment 1～4 is a laboratory sample, under normal temperature, 37 ℃ of environmental conditions, carries out static observation, testing product distribution of pomegranate fiber grain wherein after placing different number of days.
The check that pomegranate fiber grain distributes: pour the upper, middle and lower three equal parts of the product of individual packaging unit successively in the clean container; Measure the pomegranate fiber grain content in the different equal portions then respectively; Thereby investigate the distribution of pomegranate fiber grain, the result is as shown in table 3.
The detection of pomegranate fiber grain content adopts following method to carry out:
Checkout equipment:
1.00mm size sieves; 0～10 kilogram electronic balance;
Detect step:
1) size sieves of 1.00mm is crossed water after, with the dry residual moisture (for example wiping the water around screen cloth and the sieve) of removing of size sieves, weigh up the weight of sieve with dry towel, remember and be A.
2) sample to be measured is shaken up after, 100～200 gram samples are poured in the size sieves, accurately weighing sample and size sieves gross weight are remembered and are B.
3) size sieves is tilted to remove all liquid such as milk liquid, about 4 minutes (inclined degree does not go out pomegranate fiber grain to remove liquid and is as the criterion); Towel off screen cloth and sieve water on every side, accurate then weighing pomegranate fiber grain and size sieves gross weight, note is C.
Cubage: clean pomegranate fiber grain content (%)=(C-A)/(B-A) * 100%
Table 3: (data in the form are the pomegranate fiber grain content % of each layer)
Investigate the result by last table and can know that among the present invention, said pomegranate fiber grain can evenly be suspended in the product well and can keep considerable time, suspension is better.
Claims (5)
1. liquid diary product that contains pomegranate fiber grain, this liquid diary product comprise milk liquid and the pomegranate fiber grain of chewing mouthfeel can be provided that said pomegranate fiber grain forms according to following method:
Preparation contains the zymotic fluid of juice of my pomegranate, wherein contains juice of my pomegranate 20%～60%, lactose 3%～7%, NH
4Cl 0.25%～0.35%, and regulates pH value 3.8～4.3;
Insert acetobacter xylinum and carry out fermented and cultured, after cultivating 10 hours, add 1%～5% acetic acid, continued static culture 14～20 days, collect fiber, rinsing, cutting obtains pomegranate fiber grain;
Moisture in this pomegranate fiber grain >=90%, crude fibre >=3.0%, total reducing sugar >=1.0%, crude fat >=0.1%, crude protein 0.7%;
And; Also comprise 0.1%～5% stabilizing agent in this liquid diary product; Said stabilizing agent comprises thickener and/or emulsifying agent; Said emulsifying agent is selected from one or more in stearoyl lactate, single hard fatty acid ester, sucrose fatty ester, polyglycerol ester, diacetyl tartaric acid monoglyceride and the butanedioic acid monoglyceride; Said thickener is selected from multiple in carragheen, locust bean gum, sodium carboxymethylcellulose, pectin, propylene glycol alginate, gellan gum, starch, konjac glucomannan, flaxseed gum, dextrin, xanthans, microcrystalline cellulose, agar, gelatin, sodium alginate and the guar gum, and comprise part by weight 1: 0.5～1 gellan gum and agar;
The viscosity of milk liquid is 15～30 centipoises in this liquid diary product system.
2. liquid diary product according to claim 1 is a benchmark with the gross weight of this liquid diary product, the pomegranate fiber grain comprising 1%～10%.
3. liquid diary product according to claim 1, wherein, said pomegranate fiber grain particle diameter is 1～8mm.
4. liquid diary product according to claim 1, it is milk beverage or seasoning breast.
5. the preparation method of each said liquid diary product of claim 1～4, the method comprising the steps of:
Except that pomegranate fiber grain other raw material in the liquid diary product is mixed, obtain the liquid base material of suckling;
Preparation contains the zymotic fluid of juice of my pomegranate, wherein contains juice of my pomegranate 20%～60%, lactose 3%～7%, NH
4Cl 0.25%～0.35%, and regulates pH value 3.8～4.3; Insert acetobacter xylinum and carry out fermented and cultured, after cultivating 10 hours, add 1%～5% acetic acid, continued static culture 14～20 days, collect fiber, rinsing, cutting makes pomegranate fiber grain;
With said pomegranate fiber grain mix with the milk liquid base material, can, obtain containing the liquid diary product of pomegranate fiber grain.
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| CN101066072A (en) * | 2007-05-31 | 2007-11-07 | 内蒙古伊利实业集团股份有限公司 | Pectin grain containing milk beverage and its production process |
Non-Patent Citations (1)
| Title |
|---|
| 付莉 等.木醋杆菌最佳发酵条件.《食品与生物技术学报》.2008,第17卷(第3期),125-128. * |
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