CN103891922A - Edible oil composition containing water soluble antioxidant and preparation method thereof - Google Patents
Edible oil composition containing water soluble antioxidant and preparation method thereof Download PDFInfo
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Abstract
The invention provides an edible oil composition containing a water soluble antioxidant. The composition comprises the following components in parts by weight: 100 parts of edible oil, 0.1 to 3.3 parts of emulsifier, and 0.01 to 6.6 parts of water phase component, wherein the water phase component comprises a natural water soluble antioxidant. The edible oil composition does not use any synthesized antioxidant, and obtains a very good antioxidant effect on the basis of little antioxidant using amount. The invention also provides a preparation method of the edible oil composition.
Description
Technical field
The present invention relates to food processing field, more particularly, the invention provides a kind of edible oil composition and preparation method thereof.
Background technology
In storage, inevitably can there is oxidation and become sour in edible oil and fat, bring very large economic loss to food service industry thus, bring significant harm also to consumer's health simultaneously, therefore in the process of edible oil, often need the quality and the local flavor that add certain antioxidant to guarantee grease.At present, in the edible oil on market, using maximum antioxidants is ditert-butylhydro quinone (TBHQ).TBHQ is a kind of synthetized oxidation preventive agent of novelty, at present, the safety issue of synthetized oxidation preventive agent is troubling, although national regulation relevant antioxidant consumption standard, but correlative study surface, the long-term synthetized oxidation preventive agent of taking in also may produce potential hazard to body, for example chronic toxicity and teratogenesis, mutagenesis, carcinogenicity equivalent risk.If excessive use synthetized oxidation preventive agent, potential hazard is larger.Along with the idea of health, nutrition, safety is more and more praised highly in food industry, new type natural antioxidant sells well day by day.Safety, efficient, stable, cheap natural, by becoming the emphasis of edible grease antioxidant research and development, are also the main trend of edible oil antioxidant future development.
But the greatest drawback of natural is, natural is greatly water miscible, as phenolic acid, Tea Polyphenols, anthocyanidin, vitamin C etc. are water soluble compound.Often wide material sources of natural water soluble antioxidant, cheap, antioxidant effect is splendid, but due to the poor application having limited in edible oil and fat system of its oil-soluble., how natural water-soluble antioxidant is added in grease, be the focus that people study concern all the time, and comparatively general a kind of mode is to improve its oil-soluble by chemical modification.As far back as 1998, the Shen Sheng of Zhejiang Agricultural Univ honor waits to be reported Tea Polyphenols oleic acid modification, and antioxygenic effect and the TBHQ of this oil-soluble modified tea polyphenol in salad oil approaches.But the mode of this chemical modification that is to say natural is converted into synthetized oxidation preventive agent in fact, has fundamentally run counter to the original intention that natural uses, such chemical modification operates the harm that likely can bring relevant healthy aspect.
The another kind of mode that improves water soluble antioxidant and grease Miscibility is by emulsifying technology, water soluble antioxidant to be made to the form of emulsification, is added to and in edible oil, brings into play antioxidant effect.But these technical matters often need to use in the field of food of ethanol and so on least the short chain alcohol of accepting for people as cosurfactant, and its security is had a greatly reduced quality.For example, US20080085357A1 discloses a kind of edible oil that contains polarity antioxidant micro emulsion, this invention adopts methyl alcohol, ethanol equal solvent to prepare microemulsion system, then remove desolventizing by vacuum vapor deposition method, and solvent that still still can reserve part is as cosurfactant.P & G company also disclosed with above-mentioned United States Patent (USP) and has similarly invented (US5045337) as far back as nineteen ninety in fact, wherein utilized single double focusing glyceride, polar solvent that water miscible nutrient, vitamin are distributed in oil.
Prior art also discloses some and has not used the technique of short chain alcohol, but often cannot obtain in the case the product of high fat content.For example, in the disclosed a kind of water-in-oil emulsion of CN102342523A, liquid vegetable oil accounts for 10 ~ 30%, and sorbester p17 accounts for 10 ~ 30%, and Tween 80 accounts for 35 ~ 75%, and water accounts for 4.4 ~ 4.7%, and wherein water soluble ingredient content is 0.3 ~ 0.6%.In the disclosed component of WO2009/013757, be also only to adopt emulsifying agent polyglycereol castor-oil plant alcohol ester (PGPR) etc., and do not use other assistant for emulsifying agents, in final this formula, emulsifying agent has accounted for 0.5-30%, grease phase content between 10-60%, the large percentage of water, its scope is 25-70%.In these emulsification systems, having a common feature is exactly that the content of edible oil is all far below 90%.Therefore, the invention of this class is to belong to simple invert emulsion system in essence, but not edible oil truly.
Edible oil of the present invention or grease refer to the edible oil as cooking process important source material, each vegetable oil or the animal oil take triglycerides as most important composition, its form is generally transparence liquid or solid shape, there is the distinctive various physicochemical properties of edible oil and quality index, as viscosity, density, color and luster, smoke point etc.By comparison, the disclosed formula of patent WO2009/013757 is in fact the oil-water emulsion shape product that contains large quantity of moisture, and the content of oil is below 60%.It is a simple oil-water emulsion system, rather than belongs to edible oil system.Every physical behavior of this product does not possess the various characteristic indexs of edible oil, just meets the feature of common emulsification system.This kind of emulsification system can not meet the extensive demand of people to the edible oil that comprises water-soluble natural antioxidant well.On this basis, people still need to research and develop new technology, make the water-soluble natural antioxidant can be compatible well with edible oil.
Summary of the invention
For above technical problem, the present invention is not using any C
1-C
6under the prerequisite of the cosurfactants such as alcohol, only use relatively a small amount of emulsifying agent successfully to prepare the edible oil of the natural water-soluble antioxidant that comprises lower content, and this edible oil has good antioxidant effect, can be used as the safety of potential alternative synthetized oxidation preventive agent, the edible oil of high-quality.
Aspect first, provide a kind of edible oil composition of the present invention, this edible oil composition comprises: the edible oil of 100 weight portions; The emulsifying agent of 0.1-3.3 weight portion; The water component of 0.01-6.6 weight portion, described water component comprises natural water-soluble antioxidant.One preferred embodiment in, take the gross weight of described edible oil composition as benchmark, the content of described natural water-soluble antioxidant is greater than 0ppm and is less than 1000ppm; Be preferably 100-800ppm; More preferably 150-500ppm; Most preferably 200-450ppm.
In one embodiment, described edible oil composition is not containing free C
1-C
6alcohol.
In a preferred embodiment of the invention, edible oil composition comprises: the edible oil of 100 weight portions; 1.8-3.0 the emulsifying agent of weight portion; The water component of 0.5-4.5 weight portion.
In one embodiment, described edible oil is selected from following vegetable oil: soybean oil, corn oil, peanut oil, rice bran oil, sesame oil, linseed oil, rapeseed oil, sunflower oil, cottonseed oil, safflower seed oil, Purple Perilla Seed Oil, Castor oil, rubber seed oil, tea-seed oil, olive oil, palm-kernel oil, coconut oil, evening primrose oil, their combination; And the combination of vegetable oil and one or more animal oil described in one or more, described animal oil is selected from fish oil, butter, lard and whale oil, and the mixture of described vegetable oil and animal oil is in a liquid state at normal temperatures.
In one embodiment, described emulsifying agent is selected from: fatty acid cane sugar ester, glycerine monofatty ester, polyglyceryl fatty acid ester, methyl glycol fatty acid ester, sorbitan carboxylic esters and their combination.
In one embodiment, described natural water-soluble antioxidant is selected from: Polyphenols antioxidant, water soluble vitamin polyphenoils and their combination.Preferably, described natural water-soluble antioxidant is selected from: flavonoid antioxidants, anthocyanin class antioxidant, flavonols antioxidant, flavanol compound antioxidant, phenolic acid class antioxidant, vitamin C and their combination.In another embodiment, described flavonoids polyphenoils is selected from anthocyanidin; Described phenolic acid class antioxidant is selected from Rosmarinic acid; Described water soluble vitamin polyphenoils is selected from vitamin C.
In one embodiment, described water component is made up of water and natural water-soluble antioxidant.Preferably, the water of described composition water component is deionized water.
Second aspect of the present invention provides a kind of method that is used for preparing edible oil composition of the present invention, said method comprising the steps of: the mixture that i) forms described emulsifying agent and described edible oil; And ii) described water component is added in the mixture of described emulsifying agent and edible oil.
In an embodiment of the invention, described step I) carry out in the following manner: under the condition heating and stir, emulsifying agent is added in described edible oil, and mix; Described water component is by by formation soluble in water natural water-soluble antioxidant; Described step I i) is carried out in the following manner: to step I) in the emulsifying agent making and the mixture of edible oil heat and stir, described water component is dropwise added in this mixture.
In one embodiment, described step I) and heating-up temperature ii) be 40-85 ℃, described stirring is to be undertaken by the mechanical agitation of 500-1000rpm.
The 3rd aspect of the present invention provides the purposes of edible oil composition of the present invention, and described purposes is selected from: oil for frying food, oil for fried food, oil for baked food, boil boiled dinner product oily, drug additive.
The specific embodiment
" scope " disclosed herein is with the form of lower limit and the upper limit.Can be respectively one or more lower limits, and one or more upper limit.Given range limits by a selected lower limit and a upper limit.Selected lower limit and the upper limit define the border of special scope.All scopes that can limit by this way comprise with capable of being combined, and any lower limit can be combined to form a scope with any upper limit.For example, list the scope of 60-120 and 80-110 for special parameter, be interpreted as that the scope of 60-110 and 80-120 also expects.In addition, if the minimum zone value of listing 1 and 2, and if listed maximum magnitude value 3,4 and 5, scope below can all expect: 1-3,1-4,1-5,2-3,2-4 and 2-5.
In the present invention, unless there are other explanations, number range " a-b " represents that the breviary that a closes to the arbitrary real array between b represents, wherein a and b are real numbers.For example number range " 0-5 " represents all to have listed the whole real numbers between " 0-5 " herein, and " 0-5 " just the breviary of these combinations of values represents.
If do not particularly not pointed out, this description term " two kinds " used refers to " at least two kinds ".
In the present invention, if not special explanation, all embodiments mentioned in this article and preferred embodiment can be combined to form new technical scheme mutually.
In the present invention, if not special explanation, all technical characterictics mentioned in this article and preferred feature can be combined to form new technical scheme mutually.
In the present invention, if not special explanation mentioned in this article can sequentially be carried out in steps, also can carry out at random, but preferably in sequence.For example, described method comprises step (a) and (b), represents that described method can comprise in sequence step (a) and (b), also can comprise in sequence step (b) and (a).For example, describedly mention described method and also can comprise step (c), represent that step (c) can random order join described method, for example, described method can comprise step (a), (b) and (c), also step (a), (c) and (b) be can comprise, step (c), (a) and (b) etc. also can be comprised.
In the present invention, if not special explanation, " comprising " mentioned in this article represents open, can be also closed.For example, described " comprising " can represent to comprise other elements of not listing, also can only comprise the element of listing.
Edible oil composition of the present invention is a three compositions system, main component is wherein edible oil, take the weight of edible oil as 100 weight portions, the water component that also comprises in addition emulsifying agent and the 0.01-6.6 weight portion of 0.1-3.3 weight portion, described water component comprises natural water-soluble antioxidant.Compared with the edible oil composition of the disclosed known use water-soluble natural antioxidant of prior art, in edible oil composition of the present invention, the content of natural water-soluble antioxidant is lower, specifically, take the gross weight of described edible oil composition as benchmark, the content of described natural water-soluble antioxidant is greater than 0ppm and is less than 1000ppm; Be preferably 100-800ppm; More preferably 150-500ppm; Most preferably 200-450ppm.
In a preferred embodiment of the present invention, in edible oil composition of the present invention, do not use short chain alcohol as assistant for emulsifying agent, i.e. C
1-C
6alcohol.In the present invention, due to without short chain alcohol, greatly improved the security of system.Another preferred embodiment in, edible oil composition of the present invention is containing synthetized oxidation preventive agent.
In a preferred embodiment of the present invention, in edible oil composition of the present invention, do not contain free short chain alcohol, i.e. C
1-C
6alcohol.In the present invention, so-called " dissociating " refers to described short chain alcohol and do not combine with other component in said composition by chemical bond, for example, becomes the glycerol residue part of ester not belong to " dissociating " state in edible oil and emulsifying agent with aliphatic acid.
The edible oil comprising in edible oil composition of the present invention can be vegetable oil, for example soybean oil, corn oil, peanut oil, rice bran oil, sesame oil, linseed oil, rapeseed oil, sunflower oil, cottonseed oil, safflower seed oil, Purple Perilla Seed Oil, Castor oil, rubber seed oil, tea-seed oil, olive oil, palm-kernel oil, coconut oil, evening primrose oil, their combination; Can also be the combination of one or more above-mentioned vegetable oil and one or more animal oil, described animal oil can be selected from fish oil, butter, lard and whale oil, and it is liquid that the mixture of described vegetable oil and animal oil keeps at normal temperatures.It will be understood by those skilled in the art that above enumerating is only exemplary, the edible oil that can be used for edible oil composition of the present invention is not limited only to this.The mixture of other similar plants oil or vegetable oil and animal oil also can be for the present invention.
What emulsifying agent used in the present invention comprised GB2760 regulation can for example, for all kinds of emulsifying agents of fat, oil and emulsified fats-prepd, fatty acid cane sugar ester, fatty acid monoglyceride, polyglyceryl fatty acid ester, methyl glycol fatty acid ester, sorbitan carboxylic esters or the combination between them.Wherein fatty acid cane sugar ester represents the monoesters or the mixture that are generated through esterification by sucrose and aliphatic acid, and because sucrose contains 8-OH base, therefore through esterification, the various products from monoesters to octaester all can generate.The object lesson of sorbitan fatty acid comprises Si Pan (Span) series.The aliphatic acid that is used for forming above emulsifying agent can be saturated or undersaturated monobasic or the polyhydric aliphatic acid that comprises any carbon number; Preferably this aliphatic acid is aliphatic acid kind common in vegetable oil, the aliphatic acid of for example C8-C22, and the preferably aliphatic acid of C12-C20, is more preferably the aliphatic acid of C16-C18, is most preferably oleic acid, linoleic acid or stearic acid.
Natural water-soluble antioxidant of the present invention comprises the various water miscible single compound with antioxidation or its mixtures that extract from natural products, and these antioxidants have very high water-soluble, and solubility extreme difference in oil.Its object lesson comprises the polyphenoils that is derived from various plant origins, for example be derived from the polyphenoils of the leaf of bamboo, be called in this article AOB, this is the non-oxidizability composition extracting in the middle of the leaf of bamboo, and active ingredient comprises flavonoids, lactone and phenolic acid compound; Similarly, the polyphenoils in other plant-derived source can comprise: ginkgo biloba extract, tea extract (being called Tea Polyphenols herein) and grape seed extract (being called in this article grape antioxidant) etc.The antioxidant in these plant-derived sources is well known in the art, can on market, buy.
Specifically, the present invention also can use the natural water-soluble antioxidant of purification, and it specifically can comprise: Polyphenols polyphenoils, water soluble vitamin antioxidant and their combination; Wherein Polyphenols polyphenoils comprises flavonoid antioxidants, anthocyanin class antioxidant, flavonols antioxidant, flavanol compound antioxidant, phenolic acid class antioxidant etc.; Water soluble vitamin antioxidant preferably includes vitamin C.More preferably, described flavonoid antioxidants comprises anthocyanidin; Described phenolic acid class antioxidant comprises Rosmarinic acid.The most preferred natural water-soluble antioxidant of the present invention comprises: Rosmarinic acid, anthocyanidin, Tea Polyphenols, vitamin C and their combination.
One preferred embodiment in, the water that is used for preparing edible oil composition of the present invention is deionized water, to reduce as far as possible the introducing of impurity.
Another preferred embodiment in, edible oil composition of the present invention is composed of the following components: the edible oil of 100 weight portions; The emulsifying agent of 0.1-3.3 weight portion; The water component of 0.01-6.6 weight portion, described water component comprises natural water-soluble antioxidant; Take the gross weight of described edible oil composition as benchmark, the content of described natural water-soluble antioxidant is greater than 0ppm and is less than 1000ppm; Be preferably 100-800ppm; More preferably 150-500ppm; Most preferably 200-450ppm; This preferred embodiment in, edible oil composition of the present invention is containing any other component, particularly for example, containing short chain alcohol, C
1-C
6alcohol.
The edible oil that comprises natural water-soluble antioxidant of the present invention is generally prepared by the following method: first take a certain amount of emulsifying agent and join in edible oil, under the condition of heating, these two kinds of components are are fully stirred and evenly mixed; Prepare independently in addition aqueous phase solution, specifically, corresponding natural water-soluble antioxidant is dissolved in deionized water, form the aqueous solution with required mass fraction; Finally, in the mixture of above-mentioned edible oil and emulsifying agent being heated and stir, aqueous phase solution is added drop-wise to wherein lentamente, limit edged stirs, until form clear shape liquid, leaves standstill cooling rear bottling.In above-mentioned preparation process, described stirring can adopt the mode of any appropriate to carry out, for example, can be mechanical agitation, and mechanical agitation rotating speed is preferably 500-1000rpm.Heating in aforesaid operations process can be carried out with water-bath or oil bath, preferably the temperature of whole system is remained on to 40-85 ℃.
The not only outward appearance clear of edible oil system that prepared by the present invention comprise natural water-soluble antioxidant, and there is good physics and mechanical stability, still can there is not deposited phenomenon through the centrifugal 5min of 6000rpm.
Edible oil composition of the present invention can be used as the edible oil with high antioxidant, for conventional edible oil purposes, for example decoct, explode, stew, boil, bake, the culinary art purposes of the various food of frying, additive in medicine, cosmetics and nutrient and healthcare products, is used for extracting various oil-soluble compositions etc. from animals and plants or Chinese medicine.
Embodiment
In following examples, specifically enumerate the preferred embodiment of the present invention, but should be appreciated that protection scope of the present invention is not limited only to this.
In following embodiment, if not special description, the condition of reaction or operation is environmental condition, i.e. 1 atmospheric pressure, and room temperature, the water of use is deionized water.The soybean oil that uses in embodiment, sunflower oil, peanut oil, fish oil, Linseed oil, rapeseed oil, corn oil, cottonseed oil are all purchased from Jia Li food industry Co., Ltd, the tristerin using as emulsifying agent is purchased from Hangzhou Fuchun Food Additive Co., Ltd., oleic acid polyglycerol ester is purchased from the Jinan Dong Run Science and Technology Ltd. (wherein the degree of polymerization of glycerine be dimerization to ten poly-) that refines, propylene glycol stearate is purchased from Chemical Reagent Co., Ltd., Sinopharm Group, stearic acid sucrose ester is the product of Wuhan Yi Huacheng development in science and technology Co., Ltd, glyceryl monostearate is the refine product of Science and Technology Ltd. of Jinan Dong Run, sorbitan carboxylic esters is the product (wherein aliphatic acid is C12-C18 aliphatic acid) of Chemical Reagent Co., Ltd., Sinopharm Group, linoleic acid polyglycerol ester compound emulsifying agent is the rich Chemical Co., Ltd. of Quzhou City's riel product (wherein the degree of polymerization of glycerine is that dimerization to ten is poly-), the Rosmarinic acid, Tea Polyphenols, vitamin C, vitamin E that use as natural water-soluble antioxidant are all purchased from Henan Jin Run food additives Co., Ltd, OPC is purchased from Yuan Ye bio tech ltd, Shanghai, flavanols is purchased from Xi'an Qing Le Bioisystech Co., Ltd, the water using is deionized water.
In following examples 1-18, prepare the edible oil composition that comprises natural water-soluble antioxidant of the present invention.
Embodiment 1
Take soybean oil 300g, 8.4g oleic acid polyglycerol ester is joined in soybean oil, the rotating speed with 800rpm under the condition of water bath heating of 45 ℃ is uniformly mixed; The Rosmarinic acid aqueous solution that preparation mass fraction is 1%, get this aqueous solution of 13g and slowly join (45 ℃ of water-baths) in the above-mentioned soybean oil that contains emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 800rpm, until system clear is without muddiness, the content of final Rosmarinic acid is about 400ppm.
Embodiment 2
Take soybean oil 300g, 9g oleic acid polyglycerol ester is joined in soybean oil, the rotating speed with 900rpm under the condition of water bath heating of 40 ℃ is uniformly mixed; The Tea Polyphenols aqueous solution that preparation mass fraction is 1%, get this aqueous solution of 12.9g and slowly join (40 ℃ of water-baths) in the above-mentioned soybean oil that contains emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 900rpm, until system clear is without muddiness, final polyphenol content is about 400ppm.
Embodiment 3
Take soybean oil 300g, 6g oleic acid polyglycerol ester is joined in soybean oil, the rotating speed with 950rpm under the condition of water bath heating of 55 ℃ is uniformly mixed; The Tea Polyphenols aqueous solution that preparation mass fraction is 1%, get this aqueous solution of 12.8g and slowly join (55 ℃ of water-baths) in the above-mentioned soybean oil that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 950rpm, until system clear is without muddiness, final polyphenol content is about 400ppm.
Embodiment 4
Take soybean oil 300g, 9g stearic acid sucrose ester is joined in soybean oil, the rotating speed with 650rpm under the water bath condition of 60 ℃ is uniformly mixed; The Tea Polyphenols aqueous solution that preparation mass fraction is 1%, this aqueous solution of getting 6.6g slowly joins (60 ℃ of water-baths) in the above-mentioned soybean oil that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 650rpm, until system clear is without muddiness, the content of final Tea Polyphenols is about 200ppm.
Embodiment 5
Take sunflower oil 300g, the oleic acid polyglycerol ester of 6g is joined in sunflower oil, the rotating speed with 950rpm under the water bath condition of 45 ℃ is uniformly mixed; The Tea Polyphenols aqueous solution that preparation mass fraction is 4.0%, this aqueous solution of getting 3.5g slowly joins (45 ℃ of water-baths) in the above-mentioned sunflower oil that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 950rpm, until system clear is without muddiness, final polyphenol content is about 450ppm.The sample of having prepared stores under 38 ℃ of conditions, regularly carries out determination of POV.Be refined oil because of what adopt in formula, initial peroxide value is close to 0, and through one and a half months (after 45 days), peroxide value rises to 28.
Embodiment 6
Take sunflower oil 300g, the oleic acid polyglycerol ester compound emulsifying agent of 6g is joined in sunflower oil, the rotating speed with 750rpm under the water bath condition of 45 ℃ is uniformly mixed; The vitamin C aqueous solution that preparation mass fraction is 20%, this aqueous solution of getting 1.5g slowly joins (45 ℃ of water-baths) in the above-mentioned sunflower oil that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 750rpm, until system clear is without muddiness, final Vitamin C content is 975ppm.The sample of having prepared stores under 38 ℃ of conditions, regularly carries out determination of POV.Be refined oil because of what adopt in formula, initial peroxide value is close to 0, and through one and a half months (after 45 days), peroxide value only rises to 30.
Embodiment 7
Take peanut oil 300g, 8.4g stearic acid sucrose ester is joined in peanut oil, the rotating speed with 500rpm under the condition of water bath heating of 60 ℃ is uniformly mixed; The Tea Polyphenols aqueous solution that preparation mass fraction is 1%, this aqueous solution of getting 13.5g slowly joins (60 ℃ of water-baths) in the above-mentioned peanut oil that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 500rpm, until system clear is without muddiness, the content of final Tea Polyphenols is 420ppm.
Embodiment 8
The mixture 300g that takes rapeseed oil and soybean oil mass ratio 1:1, joins 9g propylene glycol stearate in this miscella, and the rotating speed with 750rpm under the condition of water bath heating of 55 ℃ is uniformly mixed; The Tea Polyphenols aqueous solution that preparation mass fraction is 1%, get this aqueous solution of 9.5g and slowly join (55 ℃ of water-baths) in the above-mentioned miscella that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 750rpm, until system clear is without muddiness, the content of final Tea Polyphenols is about 300ppm.
Embodiment 9
The mixture 300g that takes peanut oil and fish oil mass ratio 1:1, joins 7.5g oleic acid polyglycerol ester in miscella, under the condition of water bath heating of 45 ℃, is uniformly mixed; The vitamin C aqueous solution that preparation mass fraction is 1%, get this aqueous solution of 13g and slowly join (45 ℃ of water-baths) in the above-mentioned miscella that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 850rpm, until system clear is without muddiness, final Vitamin C content is about 400ppm.
Embodiment 10
Take rapeseed oil, soybean oil and corn oil mass ratio 1:1: 1 mixture 300g, the oleic acid polyglycerol ester of 2.4g and 3g stearic acid sucrose ester are joined in miscella, the rotating speed with 700rpm under the condition of water bath heating of 70 ℃ is uniformly mixed; The Tea Polyphenols aqueous solution that preparation mass fraction is 1%, get this aqueous solution of 13g and slowly join (70 ℃ of water-baths) in the above-mentioned miscella that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 700rpm, until system clear is without muddiness, the content of final Tea Polyphenols is about 300ppm.
Embodiment 11
Take the mixture 300g of sunflower oil and corn oil mass ratio 1:1,5.5g oleic acid polyglycerol ester and 2g stearic acid monoglyceride are joined in miscella, the rotating speed with 1000rpm under the condition of water bath heating of 60 ℃ is uniformly mixed; The vitamin C aqueous solution that preparation mass fraction is 1%, get this aqueous solution of 13g and slowly join (60 ℃ of water-baths) in the above-mentioned miscella that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 1000rpm, until system clear is without muddiness, final ascorbic content is about 400ppm.
Embodiment 12
The mixture 300g that takes peanut oil and linseed oil mass ratio 1:1, joins 2g oleic acid polyglycerol ester and 4g propylene glycol stearate in miscella, under the condition of water bath heating of 85 ℃, is uniformly mixed; The Tea Polyphenols aqueous solution that preparation mass fraction is 1%, get this aqueous solution of 13g and slowly join (85 ℃ of water-baths) in the above-mentioned miscella that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 1000rpm, until system clear is without muddiness, final polyphenol content is about 400ppm.
Embodiment 13
The mixture 300g that takes sunflower oil and rapeseed oil mass ratio 1:1, joins 6g stearic acid sucrose ester and 3g sorbitan carboxylic esters in miscella, and the rotating speed with 800rpm under the water bath condition of 50 ℃ is uniformly mixed; The Tea Polyphenols aqueous solution that preparation mass fraction is 1%, get this aqueous solution of 12.9g and slowly join (50 ℃ of water-baths) in the above-mentioned miscella that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 800rpm, until system clear is without muddiness, final polyphenol content is about 400ppm.
Embodiment 14
Take soybean oil, corn oil and Quality of Peanut Oil than 1: the mixture 300g of 1:1,3g oleic acid polyglycerol ester and 3g sorbitan carboxylic esters are joined in miscella, the rotating speed with 900rpm under the condition of water bath heating of 55 ℃ is uniformly mixed; The vitamin C aqueous solution that preparation mass fraction is 1%, get this aqueous solution of 12.8g and slowly join (55 ℃ of water-baths) in the above-mentioned miscella that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 900rpm, until system clear is without muddiness, final Vitamin C content is about 400ppm.
Embodiment 15
Take the mixture 300g of corn oil and cottonseed oil mass ratio 1:1, by 3g stearic acid sucrose ester, 3g oleic acid polyglycerol ester and 3g sorbitan carboxylic esters join in miscella, and the rotating speed with 850rpm under the condition of water bath heating of 50 ℃ is uniformly mixed; The OPC aqueous solution that preparation mass fraction is 1%, get this aqueous solution of 12.9g and slowly join (50 ℃ of water-baths) in the above-mentioned miscella that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 850rpm, until system clear is without muddiness, final procyanidin content is about 400ppm.
Embodiment 16
Take peanut oil 300g, by 3g oleic acid polyglycerol ester, 4g propylene glycol stearate and 2g sorbitan carboxylic esters join in peanut oil, and 85 ℃ of stirring in water bath mix; Configuration quality mark is 1% the flavanols aqueous solution, get the 13g aqueous solution and slowly join (85 ℃ of water-baths) in the above-mentioned peanut oil that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 1000rpm, until system clear is without muddiness, final flavanols content is about 400ppm.
Embodiment 17
Take soybean oil 300g, 9g stearic acid sucrose ester is joined in soybean oil, the rotating speed with 650rpm under the water bath condition of 60 ℃ is uniformly mixed; The AOB aqueous solution that preparation mass fraction is 1%, this aqueous solution of getting 3.5g slowly joins (60 ℃ of water-baths) in the above-mentioned soybean oil that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 650rpm, until system clear is without muddiness, the content of final AOB is about 112ppm.
Embodiment 18
Take corn oil 300g, 5.5g oleic acid polyglycerol ester and 0.5g stearic acid sucrose ester are joined in corn oil, the rotating speed with 800rpm under the water bath condition of 65 ℃ is uniformly mixed; The Tea Polyphenols aqueous solution that preparation mass fraction is 2.5%, this aqueous solution of getting 12.0g slowly joins (65 ℃ of water-baths) in the above-mentioned corn oil that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 800rpm, until system clear is without muddiness, the content of final Tea Polyphenols is about 943ppm.
Comparative example 1
Take soybean oil 300g, 6g oleic acid polyglycerol ester is joined in soybean oil, the rotating speed with 950rpm under the condition of water bath heating of 55 ℃ is uniformly mixed; The Tea Polyphenols aqueous solution that preparation mass fraction is 0.6%, get the 24.6g aqueous solution and slowly join (55 ℃ of water-baths) in the above-mentioned soybean oil that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 950rpm, until system clear is without muddiness, final polyphenol content is 446ppm.
Comparative example 2
Do not add the pure soy bean of any antioxidant and emulsifying agent.
Comparative example 3
Take soybean oil 300g, directly 0.12g Tea Polyphenols is joined in soybean oil, do not add emulsifying agent and water, the rotating speed with 1000rpm under the condition of water bath heating of 45 ℃ stirs, and final polyphenol content is about 400ppm.Leave standstill in a moment, Tea Polyphenols substantially all precipitates, and get supernatant and carry out the experiment of Rancimat accelerated oxidation, 100 ℃ of temperature, throughput 20L/h, concrete outcome is in table 2.
Comparative example 4
Take soybean oil 300g, directly 0.12g vitamin E is joined in soybean oil, do not add emulsifying agent and water, the rotating speed with 1000rpm under the water bath condition of 45 ℃ stirs, and the content of final vitamin E is about 400ppm.The experiment of Rancimat accelerated oxidation is carried out in sampling, 100 ℃ of temperature, and throughput 20L/h, concrete outcome is in table 2.
Comparative example 5
Take the mixture 300g of fish oil and sunflower oil mass ratio 1:1, the linoleic acid polyglycerol ester compound emulsifying agent of 15g is joined in miscella, under the water bath condition of 45 ℃, be uniformly mixed; The vitamin C aqueous solution that preparation mass fraction is 20%, get this aqueous solution of 1.6g and slowly join (45 ℃ of water-baths) in the above-mentioned miscella that contains emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 950rpm, until system clear is without muddiness, final Vitamin C content is about 1010ppm.The sample of having prepared stores under 38 ℃ of conditions, regularly carries out determination of POV, and initial peroxide value is close to 0, and after 40 days, peroxide value rises to 45.
Comparative example 6
Take sunflower oil 300g, the linoleic acid polyglycerol ester compound emulsifying agent of 15g is joined in sunflower oil, under the condition of water bath heating of 45 ℃, be uniformly mixed; The vitamin C aqueous solution that preparation mass fraction is 20%, get this aqueous solution of 1.6g and slowly join (45 ℃ of water-baths) in the above-mentioned oil that contains emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 750rpm, until system clear is without muddiness, final Vitamin C content is about 1010ppm.The sample of having prepared stores under 38 ℃ of conditions, regularly carries out determination of POV.Be refined oil because of what adopt in formula, initial peroxide value is close to 0, and after 40 days, peroxide value rises to 44.
Comparative example 7
Take soybean oil 300g, the linoleic acid polyglycerol ester compound emulsifying agent of 15g is joined in soybean oil, under the condition of water bath heating of 45 ℃, be uniformly mixed; The vitamin C aqueous solution that preparation mass fraction is 20%, get this aqueous solution of 1.5g and slowly join (45 ℃ of water-baths) in the above-mentioned oil that contains emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 750rpm, until system clear is without muddiness, final Vitamin C content is about 1010ppm.
Comparative example 8
Take soybean oil 300g, the linoleic acid polyglycerol ester compound emulsifying agent of 23g is joined in soybean oil, under the condition of water bath heating of 45 ℃, be uniformly mixed; The vitamin C aqueous solution that preparation mass fraction is 20%, get this aqueous solution of 3.5g and slowly join (45 ℃ of water-baths) in the above-mentioned soybean oil that contains emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 750rpm, until system clear is without muddiness, final Vitamin C content is about 2150ppm.
Comparative example 9
Take soybean oil 300g, 8g oleic acid polyglycerol ester and 1g ethanol are joined in soybean oil, the rotating speed with 650rpm under the water bath condition of 40 ℃ is uniformly mixed; The Tea Polyphenols aqueous solution that preparation mass fraction is 1%, this aqueous solution of getting 12.5g slowly joins (40 ℃ of water-baths) in the above-mentioned soybean oil that has emulsifying agent, dropping limit, limit mechanical agitation, rotating speed 650rpm, until system clear is without muddiness, the content of final AOB is about 388ppm.
As a kind of edible oil, in GB, every character such as refractive index, colourity, acid value and peroxide value has special regulation, for this reason, we measure the physicochemical property of the various edible oil sample in above embodiment and comparative example according to national standard method, every character is all immediately according to the step measurements of following GB regulation after preparation completes.Wherein refractive index, colourity, aliphatic acid composition etc. are all within the scope of GB regulation, and peroxide value and acid value also meet GB Limited Doses, and measurement result is in table 1:
Refractive index: GB/T5527-2010; Viscosity: GB/T5516-2011;
Colourity: GB/T17644-2008; Peroxide value (PV): GB/T5538-2005;
Acid value (AV): GB/T5530-1998.
Every physico-chemical parameter of the edible oil composition of table 1: embodiment and comparative example
| Sample title | AV（mgKOH/g） | PV（MEQ/KG） |
| Embodiment 1 | 0.093 | 0.37 |
| Embodiment 2 | 0.076 | 0.19 |
| Embodiment 3 | 0.080 | 0.12 |
| Embodiment 4 | 0.078 | 0.14 |
| Embodiment 5 | 0.086 | 0.21 |
| Embodiment 6 | 0.098 | 0.24 |
| Embodiment 7 | 0.074 | 0.34 |
| Embodiment 8 | 0.065 | 0.14 |
| Embodiment 9 | 0.085 | 0.15 |
| Embodiment 10 | 0.076 | 0.17 |
| Embodiment 11 | 0.069 | 0.24 |
| Embodiment 12 | 0.076 | 0.25 |
| Embodiment 13 | 0.071 | 0.16 |
| Embodiment 14 | 0.081 | 0.14 |
| Embodiment 15 | 0.083 | 0.13 |
| Embodiment 16 | 0.074 | 0.11 |
| Embodiment 17 | 0.092 | 0.46 |
| Embodiment 18 | 0.086 | 0.07 |
| Comparative example 1 | 0.351 | 0.45 |
| Comparative example 2 | 0.048 | 1.24 |
| Comparative example 3 | 0.077 | 1.04 |
| Comparative example 4 | 0.079 | 1.13 |
| Comparative example 5 | 0.083 | 0.14 |
| Comparative example 6 | 0.084 | 0.23 |
| Comparative example 7 | 0.096 | 0.21 |
| Comparative example 8 | 0.086 | 0.16 |
| Comparative example 9 | 0.093 | 0.17 |
About acid value (AV), embodiment acid value in table 1 increases to some extent than common soybeans oil (comparative example 2), this may be mainly, because the existence of moisture makes grease, slight hydrolysis phenomenon has occurred, but its AV value is much smaller than the limiting value 0.2 of one-level soybean oil, therefore meets GB completely.But when the water content in microemulsion system exceedes certain value (comparative example 1, water content approximately 7.4%, exceedes 6%), it is very large that its acid value just becomes.This water content that embodiment of the present invention is just described is lower, is the system of high water content with respect to comparative example 1() there is outstanding advantage, can not cause the undue increase of final products acid value and affect product quality.
As for peroxide value (PV), at the initial stage of sample preparation, each embodiment is all than comparative example 2(nonreactive soybean oil) little a lot, illustrate from sample and place the initial stage, each water soluble antioxidant just can have been brought into play good antioxidant effect in edible oil.
Next the edible oil composition that, the inventor has further compared embodiment and comparative example is in the peroxide value of placing after a period of time, with the antioxidant effect that illustrates that the present composition is outstanding.
Specifically, the edible oil composition that the inventor makes following examples according to following steps has carried out accelerated oxidation experiment (Rancimat method), with the antioxygenic property of further verifying that the edible oil composition that comprises natural water-soluble antioxidant of the embodiment of the present invention and comparative example's oil sample show along with passage of time, concrete operation step is as follows: use the 743Rancimat oil oxidative stability analyzer purchased from Wan Tong company of Switzerland, take edible oil composition sample 2.5 ± 0.1g and be placed in test tube, take deionized water 70.0 ± 0.1g in cylindrical plastic cup, according to operation instruction, each pipeline is connected, equitemperature rise to design temperature (100 ℃) and keep stable after, the test tube that oil sample is housed is put into heating tank, then start the air-flow of air, air velocity is 20L/h, oil sample is under hot conditions like this, and in oil sample, lead to dry air with constant rate of speed, make it that accelerated oxidation reaction occur.In grease, oxidizable material is oxidized to the volatile acid of little molecule, the acid of volatilization is brought into by air in the conductivity measurement pond being filled with water, electrical conductivity in on-line measurement measuring cell, record the oxidation curve of electrical conductivity to the reaction time, curve is asked to second dervative, thereby measure the induction period of sample, draw induction curve.After induction Drawing of Curve completes, experiment finishes automatically, records the induction period that under this condition, each sample records, in hour (h).
Measurement result gathered and was listed in the table below 2 induction period.
Measurement result induction period of the edible oil composition of table 2: embodiment and comparative example
| Sample title | Induction period (100 ℃, h) | Oxidation preventive content |
| Embodiment 1 | 19.97 | 400ppm |
| Embodiment 2 | 20.75 | 400ppm |
| Embodiment 3 | 21.55 | 400ppm |
| Embodiment 4 | 15.97 | 200ppm |
| Embodiment 5 | 21.86 | 450ppm |
| Embodiment 6 | 23.54 | 975ppm |
| Embodiment 7 | 19.53 | 420ppm |
| Embodiment 8 | 18.46 | 300ppm |
| Embodiment 9 | 19.67 | 400ppm |
| Embodiment 10 | 18.43 | 300ppm |
| Embodiment 11 | 19.75 | 400ppm |
| Embodiment 12 | 20.21 | 400ppm |
| Embodiment 13 | 20.64 | 400ppm |
| Embodiment 14 | 20.97 | 400ppm |
| Embodiment 15 | 20.34 | 400ppm |
| Embodiment 16 | 20.67 | 400ppm |
| Embodiment 17 | 17.36 | 112ppm |
| Embodiment 18 | 23.64 | 943ppm |
| Comparative example 1 | 18.32 | 446ppm |
| Comparative example 2 | 13.16 | 0 |
| Comparative example 3 | 15.87 | 400ppm |
| Comparative example 4 | 14.97 | 400ppm |
| Comparative example 5 | 15.96 | 1010ppm |
| Comparative example 6 | 16.32 | 1010ppm |
| Comparative example 7 | 16.54 | 1010ppm |
| Comparative example 8 | 19.32 | 2150ppm |
| Comparative example 9 | 20.45 | 388ppm |
Can see from the data of table 2, compared with the soybean oil (13.16h induction period) of the comparative example 2 without antioxidant, natural water-soluble antioxidant microemulsion system in the present invention (as embodiment 4:200ppm Tea Polyphenols, induction period 15.97h; Embodiment 2:400ppm Tea Polyphenols, induction period 20.75h; Embodiment 3:400ppm Tea Polyphenols, induction period 21.55h etc.) there is obvious antioxidant effect.On the contrary, in comparative example 3, directly Tea Polyphenols is joined in oil, do not adopt any emulsifying agent and water, leave standstill Tea Polyphenols later precipitation has occurred, though this sample supernatant has certain antioxidant effect, but be under the prerequisite of 400ppm Tea Polyphenols addition equally, the antioxidant effect of embodiments of the invention 2 and 3 is better than comparative example 3.Comparative example 4 is to add the edible oil of oil-soluble inhibitor VE, and its effect is also not as good as embodiments of the invention.
For above-described embodiment 5,6 and comparative example 5,6, we also monitor the variation that its peroxide value is passed in time under given conditions.Specifically, the edible oil composition of these embodiment and comparative example is stored in the open containers of 38 ℃, its peroxide value of results of regular determination, measurement result is in table 3, in two samples of embodiment 5 and 6, after 45 days, peroxide value is the highest only rises to 30, and the content of emulsifying agent is all between 1.5-2.0%.On the other side, in comparative example 5 and 6 peroxide value through just rising to 45 after 40 days, and wherein the content of emulsifying agent all 5%.As can be seen here, compared with comparative example, formula system of the present invention, under adopting than comparative example emulsifying agent prerequisite still less, has more outstanding antioxidant effect, is applied to and in edible oil system, has larger advantage.
Table 3: peroxide value is followed the tracks of testing result
Stability observing experiment and centrifugal test
In order to investigate all sidedly the stability of sample, we have carried out the observation of long period by standing mode on the one hand, observe on the other hand whether sample has precipitation and elutriation goes out under the condition of sample being carried out to centrifugally operated.Embodiments of the invention sample has good stability, through centrifugal 5min under the rotating speed of 6000rpm, deposited phenomenon can not occur.The concrete investigation of part embodiment and correspondingly comparative example the results are shown in Table 4.Wherein embodiment 5,6 and comparative example 6 are all the products of sunflower oil, the antioxidant effect that we have learnt comparative example 6 from table 3 is lower than embodiment 5 and 6, here we have found that again it is stable too lower than embodiments of the invention, this has illustrated that edible oil composition system of the present invention is more better than comparative example in stability, thereby further gives prominence to novelty advantage of the present invention.Embodiment 3 and comparative example 7,8 are all the products of soybean oil, although after in comparative example 8, the amount of antioxidant improves, the antioxidant effect of system can be increased, but the stability of comparative example 8 can not show a candle to embodiments of the invention 3, after the amount of this explanation emulsifying agent increases, easily make all the better water component and emulsifying agent separate out from oil, thereby reduce the stability of system.
In addition, in comparative example 6,7 and 8, due to its emulsifier content higher (more than 5%), can cause thus production cost to improve and security decline, consider for cost and safe angle, embodiments of the invention 3 are all better than this three comparative examples.In addition, increasing of the content of emulsifying agent can make final Water-In-Oil system viscosity increase simultaneously, causes adverse influence can to processing and use procedure.By comparison, the viscosity of the sample of the embodiment of the present invention 3 is substantially near with common soybeans oil phase, at the oils sample that is significantly better than comparative example aspect the convenience of processing and use.
Comprehensive above experimental evaluation result, the inventor thinks that embodiment 3 has the best combination of non-oxidizability and stability.
Table 4: leave standstill and centrifugal condition under stability test result
The present invention for problem be to replace synthetized oxidation preventive agent for edible oil with natural, with a lot of potential safety hazards of avoiding synthetized oxidation preventive agent to exist at security, the aspect such as pathogenic.In addition, described natural water-soluble antioxidant also has wide material sources, cheap advantage.The present invention for make water miscible natural well stable dispersion in edible oil, specifically select the wherein content of emulsifying agent and water component, do not affecting under the prerequisite of the original proterties of edible oil, quality, obtaining the edible oil composition product with good stability and non-oxidizability.
Another feature of the present invention is, does not use short chain alcohol as assistant for emulsifying agent, has avoided short chain alcohol itself to have the hidden danger of security.In comparative example 9, comprise a certain amount of short chain alcohol, and the concentration of antioxidant is in 400ppm left and right, by discovery that the results such as its determination of POV, accelerated oxidation experiment, stability test are compared with embodiments of the invention, stability and the antioxygenic property of the oils product of the stability that under equal conditions, embodiments of the invention obtain and the comparative example 9 of antioxygenic property and use short chain alcohol are substantially suitable.
In addition, although the edible oil composition that also has some not adopt short chain alcohol in prior art often contains a large amount of emulsifying agents in its formula, the content of oil and water is all fewer.Specifically, wherein the content of oil is no more than 60% conventionally, is not edible oil system truly.In contrast, in formula of the present invention, oil phase content, more than 90%, is removed the composition of stable water soluble with the water of relatively a small amount of emulsifying agent and q.s, brings into play corresponding antioxidation in oil, is edible oil truly.
In sum, it is assistant for emulsifying agent that beneficial effect of the present invention is not adopt the short chain alcohol such as any ethanol, glycerine, has greatly improved the security of system and the feasibility in edible oil application.In addition, the present invention only adopts relatively less emulsifier, and water miscible natural stable components is dispersed in edible oil, not only makes edible oil obtain effective antioxygenic property, and further improved its security as food system, there is good application prospect.
Claims (10)
1. an edible oil composition, this edible oil composition comprises:
The edible oil of 100 weight portions;
The emulsifying agent of 0.1-3.3 weight portion;
The water component of 0.01-6.6 weight portion, described water component comprises natural water-soluble antioxidant.
2. edible oil composition as claimed in claim 1, is characterized in that, take the gross weight of described edible oil composition as benchmark, the content of described natural water-soluble antioxidant is greater than 0ppm and is less than 1000ppm; Be preferably 100-800ppm; More preferably 150-500ppm; Most preferably 200-450ppm.
3. edible oil composition as claimed in claim 1, is characterized in that, described edible oil composition is not containing free C
1-C
6alcohol.
4. the edible oil composition as described in any one in claim 1-3, is characterized in that, edible oil composition comprises: the edible oil of 100 weight portions; 1.8-3.0 the emulsifying agent of weight portion; The water component of 0.5-4.50 weight portion.
5. edible oil composition as claimed in claim 1, is characterized in that, described emulsifying agent is selected from: fatty acid cane sugar ester, glycerine monofatty ester, polyglyceryl fatty acid ester, methyl glycol fatty acid ester, sorbitan carboxylic esters and their combination.
6. edible oil composition as claimed in claim 1, is characterized in that, described natural water-soluble antioxidant is selected from: Polyphenols polyphenoils, water soluble vitamin polyphenoils and their combination; Preferably, described natural water-soluble antioxidant is selected from: flavonoid antioxidants, anthocyanin class antioxidant, flavonols antioxidant, flavanol compound antioxidant, phenolic acid class antioxidant, vitamin C and their combination, preferably, described flavonoids polyphenoils is selected from anthocyanidin; Described phenolic acid class antioxidant is selected from Rosmarinic acid; Described water soluble vitamin polyphenoils is selected from vitamin C.
7. a method of preparing the edible oil composition as described in any one in claim 1-6, said method comprising the steps of:
I) form the mixture of described emulsifying agent and described edible oil; And
Ii) described water component is added in the mixture of described emulsifying agent and edible oil.
8. method as claimed in claim 7, is characterized in that,
Described step I) carry out in the following manner: under the condition heating and stir, emulsifying agent is added in described edible oil, and mix;
Described water component is by by formation soluble in water natural water-soluble antioxidant;
Described step I i) is carried out in the following manner: to step I) in the emulsifying agent making and the mixture of edible oil heat and stir, described water component is dropwise added in this mixture.
9. method as claimed in claim 8, is characterized in that, described step I) and heating-up temperature iii) be 40-85 ℃, described stirring is to be undertaken by the mechanical agitation of 500-1000rpm.
Edible oil composition as described in any one in claim 1-7 for oil for frying food, oil for fried food, baked food with oily, boil boiled dinner product purposes oily, drug additive.
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