CN107969494A - A kind of anti-oxidant compositions and its preparation method and application - Google Patents
A kind of anti-oxidant compositions and its preparation method and application Download PDFInfo
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- CN107969494A CN107969494A CN201711165416.9A CN201711165416A CN107969494A CN 107969494 A CN107969494 A CN 107969494A CN 201711165416 A CN201711165416 A CN 201711165416A CN 107969494 A CN107969494 A CN 107969494A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/16—Preserving with chemicals
- A23B9/24—Preserving with chemicals in the form of liquids or solids
- A23B9/26—Organic compounds; Microorganisms; Enzymes
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Abstract
The invention discloses a kind of anti-oxidant compositions, including solution and 15~20 parts of ascorbyl palmitates containing 7~10 parts of chitosans/forulic acid conjugate.The preparation method of the anti-oxidant compositions is also disclosed, including：Add ascorbyl palmitate in the solution of chitosan-containing/forulic acid conjugate, after stirring and dissolving, 1~2h is centrifuged with the speed of 4000~5000rpm, insoluble matter is removed, adds remaining component and be uniformly mixed.On the other hand, application of the anti-oxidant compositions in food processing, the especially application in hickory kernel process are also disclosed, anti-oxidant compositions of the present invention effectively solve the difficult point that hickory kernel is easily aoxidized；And the hickory kernel processed is not only delicious crisp, the bitter taste of hickory kernel is reduced.
Description
Technical field
The invention belongs to technical field of food additives, and in particular to a kind of anti-oxidant compositions and preparation method thereof and
Using.
Background technology
Chitosan is that chitin passes through the macromolecular compound that deacetylation obtains, and has good biocompatibility and life
Biodegradable.In addition, chitosan has many unique properties, such as antibiotic property, antioxidation activity.So chitosan is
A kind of natural beneficial active material.However, since chitosan does not dissolve in usual vehicle, its application is set to receive some limitations, because
This is chemically modified a large amount of carboxyls and amino in chitosan molecule by the reaction such as acylation, carboxylation, esterification, and it is molten to improve its
Xie Du, and assign some other functions, expanding its application field becomes a research hotspot.
According to existing research it has been found that chitosan is carried out chemical modification with forulic acid, obtained cross-linking agent and other things
Matter is compared, and has more preferable oxidation resistance.Chitosan/forulic acid conjugate is mainly synthesized by chemical method at present.Chemistry
Synthetic method there is easy generation accessory substance, isolate and purify the shortcomings of complicated, cost of investment is big, and biological catalysis has condition temperature
With, process is easily controllable, energy consumption is low, no accessory substance, isolates and purifies the features such as easy to operate.In addition biocatalyst-enzyme can
With recycling, cost is greatly reduced.The aldehydes matters such as forulic acid generate quinone under the catalytic action of cresolase, and quinone can be with
Amino on chitosan is either reacted by schiff bases by Michael addition reaction, can cause shell using this method
The surface nature of polysaccharid derivative is improved with mobile performance.
Hickory nut is the distinctive famous-brand and high-quality dry fruit in China and woody oleiferous plants crop, has higher nutritive value.Hickory kernel
In contain grease 70% or so, the aliphatic acid for forming grease is mainly unrighted acid, accounts for more than 83.11%.In addition, mountain
Also containing abundant protein, amino acid and mineral element in walnut kernel.Therefore, hickory nut have the strong kidney of moistening lung, reduce blood fat,
The effect of preventing coronary heart disease.However, exactly because also a large amount of greases in hickory kernel, cause its pole in storage is transported
It is oxidizable to become sour, rancidity occurs when serious, produces harmful material, so as to substantially reduce its nutritive value and commodity valency
Value.
The content of the invention
It is an object of the invention to solve shortcoming of the prior art, there is provided a kind of anti-oxidant compositions and its system
Preparation Method and application.
The technical solution adopted by the present invention is as follows：
A kind of anti-oxidant compositions, including the solution containing 7~10 parts of chitosans/forulic acid conjugate and 15~20 parts are anti-
Bad hematic acid palmitate.
The present invention is chemically modified chitosan to form conjugate using forulic acid, it is modified obtain chitosan/Ah
Wei's acid conjugate has more preferable oxidation resistance, and anti-oxidant compositions are obtained with ascorbyl palmitate (AP) compounding,
AP is important ascorbic acid derivates, due to the hydrophobic alkyl long-chain in AP molecules, adds that its is fat-soluble, widened it
Application range in food, can protect the more food of many lubricant components.
The preparation method of the solution of the chitosan-containing/forulic acid conjugate is as follows：
Weigh a certain amount of chitosan to be scattered in phosphate buffer solution, forulic acid and cresolase are sequentially added, micro-
Oxygen reaction is passed through under ripple auxiliary, after reaction, filters off insoluble matter up to the molten of the chitosan-containing/forulic acid conjugate
Liquid.
The deacetylation of the chitosan is 80~95%, and molecular weight is 150~250KDa.Chitosan, which has, to be removed freely
Base, protect body to be acted on from peroxide injury, and chitosan is a kind of broad-spectrum antibacterial agent, can extending fruit the storage longevity
Life；Meanwhile forulic acid also has good antioxygenic property, and there is extensive physiological activity, and it is stronger except showing
Outside antioxidation activity, forulic acid also has bacterium certain inhibitory action.Two kinds of excellent materials of antioxygenic property are mutually coupled,
The Oil stability of hickory kernel is improved, prevents that it from being aoxidized.
In the preparation process of the solution of chitosan-containing/forulic acid conjugate, chitosan, forulic acid and cresolase add
Mass ratio is 20~30：7~10：7~10, every gram of chitosan is dispersed in 80~100mL phosphate buffer solutions.
Preferably, reaction temperature is 40~50 DEG C, and the reaction time is 2~3h.
In order to shorten the reaction time, improve conversion ratio, while the dosage of cresolase is reduced, in reaction process, the present invention
Employ microwave radiation technology processing, it is preferable that the condition of the microwave radiation technology is：Microwave power is 850~1000W, and frequency is
700~800MHz, the microwave radiation of suitable intensity can make the active site more " exposed " of cresols enzyme molecule, easy to preferably with
Binding Capacity, as a result shows enzymatic activity rise, and microwave radiation can increase the energy of reaction system and substrate molecule, strengthen substrate
The effective collision of molecule, so as to fulfill the purpose of reaction rate is accelerated.
Preferably, the anti-oxidant compositions include following parts by weight of component：Containing 7~10 parts of chitosan/forulic acids
The solution of conjugate, 15~20 parts of ascorbyl palmitates, 3~5 parts of citric acids, 4~6 parts of succus liquiritiaes.Citric acid does not have in itself
There is antioxidation activity, but can be coupled as the synergist and stabilizer of oil antioxidant, citric acid with chitosan/forulic acid
Thing, AP are used in mixed way, and can improve antioxidant effect；Succus liquiritiae is acted on flavouring, is used together with suitable citric acid, mouth
Sweet tea sweet in flavor.
Present invention also offers the preparation method of above-mentioned anti-oxidant compositions, including：In chitosan-containing/forulic acid coupling
Add ascorbyl palmitate in the solution of thing, after stirring and dissolving, 1~2h is centrifuged with the speed of 4000~5000rpm, is removed
Insoluble matter, adds remaining component and is uniformly mixed.
Present invention also offers a kind of application of anti-oxidant compositions in food processing.
Preferably, additive of the anti-oxidant compositions as hickory kernel process, for hickory kernel
Fresh-retaining preserving.The present invention chitosan/forulic acid conjugate is made with function composition compoundings such as ascorbyl palmitates anti-
Oxidizing agent composition sprays hickory kernel, effectively solves the difficult point that hickory kernel is easily aoxidized.
Further preferably, the process includes：
(1) take away the puckery taste：Hickory kernel is put into deastruingent device, adds deastringent agent, and be filled with appropriate CO2, maintain 0.1MPa
2~3h of hot gas pressure boiling；
(2) frying：Hickory kernel after taking away the puckery taste completely is put into pot, proper amount of edible salt is added, is fried at 80~90 DEG C
After making 6~8min, treatment fluid is added, continues 10~15min of frying, until hickory kernel water content is 5%~6%；
(3) store：Hickory kernel after frying is placed in after cooling down 30~40min at room temperature, sprayed described anti-oxidant
Agent composition, is packed.
The present invention resists using made of the chitosan/function such as forulic acid conjugate and ascorbyl palmitate composition compounding
Oxidizing agent composition sprays hickory kernel, ensure that the shelf life of hickory kernel finished product, products obtained therefrom color and luster is excellent, sweet mouthfeel
It is crisp and without bitterness sense.
In step (1), it is pale red to treat hickory kernel yellowish pink, and meat breaks, and section is micro- as to take away the puckery taste completely in vain.Above-mentioned steps (1)
It is middle to be taken away the puckery taste using high pressure to hickory kernel, it can effectively prevent the anti-puckery of hickory kernel of taking away the puckery taste, extend the goods of hickory kernel
The frame service life；Meanwhile take away the puckery taste by high pressure and do not destroy the original nutritional ingredient of hickory kernel, the original wind of food can be kept well
The features such as taste, color and luster.
In step (1), the deastringent agent includes the component of following parts by weight：It is 7~10 parts of white wine, 4~8 parts of vinegar, ripe
2~4 parts of cider, 2~3 parts of black tea.Contain soluble tannin material in the crust of hickory kernel, soluble tannin when eating
With mucous membrane of mouth protein binding, the convergence of generation is astringent taste, and the present invention utilizes edible distillate spirit and vinegar, anti-with soluble tannin
Spawn should be formed, so as to be transformed into insoluble tannin, makes hickory kernel slough astringent taste；Tannin adds black tea in acidity
Leaf can neutralize soluble tannin, be provided simultaneously with light tealeaves delicate fragrance；Hickory kernel is carried out using the ethene that ripe cider produces
Take away the puckery taste；Deastringent agent raw material used is easy to get and cheap, and natural no added, after deastringent agent is handled, hickory kernel color and luster is good, product
Matter is good, and taste of fruit is excellent.
In step (1), the deastringent agent addition is the 20%~25% of hickory kernel quality.
Temperature and time requirement of the hickory kernel to frying is very high, and temperature is excessive or frying overlong time can make institute in kernel
The unrighted acid (linoleic acid plus linolenic acid etc.) that contains is putrid and deteriorated, reduces the healthcare function of hickory kernel；Temperature it is too low or
The frying time is too short, can influence the flavor and color and luster of hickory kernel, can not form the taste of other style；Therefore the time during frying
Control with temperature is to ensure the key factor of Kernel Quality and taste.
In step (2), the treatment fluid includes the component of following parts by weight：100~130 parts of water, black tea 15~20
Part, 5~8 parts of succus liquiritiae, 8~10 parts of dried peppermint leaf, 10~12 parts of granulated sugar, 2~3 parts of monosodium glutamate, 4~7 parts of D-sorbite.Wherein black tea
Leaf is acted on eliminating greasiness, can be reduced the greasy feeling caused by unrighted acid in hickory kernel, be contained tea polyphenols in black tea,
The extremely strong removing harmful free radicals of energy, block lipid peroxidation process, and tea polyphenols can provide required nutrient, nothing for human body
The potential toxic side effect of synthetic；And there is protective effect to the pigment in hickory kernel and vitamins, hickory kernel is existed
Original color and trophic level are kept in long period, can effectively prevent the corruption of grease, and peculiar smell can be eliminated；Add radix glycyrrhizae
The components such as juice, dried peppermint leaf, increasing has medical value, unique in taste, fragrant and sweet crisp, and has been greatly reduced bitter taste.
Compared with prior art, the present invention has the advantages that：
(1) present invention chitosan is chemically modified to form conjugate using forulic acid, it is modified obtain chitosan/
Forulic acid conjugate has more preferable oxidation resistance, and antioxidant combination is obtained with ascorbyl palmitate (AP) compounding
Thing, AP are important ascorbic acid derivates, due to the hydrophobic alkyl long-chain in AP molecules, add that its is fat-soluble, widen
Its application range in food, can protect the more food of many lubricant components.
(2) present invention is made using chitosan/forulic acid conjugate and the function composition compoundings such as ascorbyl palmitate
Anti-oxidant compositions spray hickory kernel, prevent that wherein oxidative rancidity occurs for grease.Processing, storage technology are simple, and raw material is equal
For natural component, production cost is low, effectively solves the difficult point that hickory kernel is easily aoxidized；And the hickory kernel processed
It is not only delicious crisp, the bitter taste of hickory kernel is greatly reduced, certain alimentary health-care function can be improved after edible, meet
Modern healthy environmental protection, nutraceutical production idea.
(3) hickory kernel storage period length produced by the invention, color and luster flavor is strong, caters to the consumption view of modern consumer
Read, improve the commercial value of hickory kernel, meet the demand in market；Hickory kernel long shelf-life after sprinkling antioxidant, preservation
It is best in quality afterwards, it is easy to transport, especially for the remote districts for lacking hickory nut supply.
Brief description of the drawings
Fig. 1 is the peroxide value change curve for the hickory kernel that the embodiment of the present invention 1 and comparative example 1~4 obtain.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described, in addition, " part " for being previously mentioned in the present invention, such as
Without special instruction, all refer to parts by weight.
Embodiment 1
A kind of anti-oxidant compositions, are made of following parts by weight of component：Containing the molten of 8 parts of chitosans/forulic acid conjugate
Liquid, 16 parts of ascorbyl palmitates (AP), 5 parts of citric acids, 5 parts of succus liquiritiaes.
It is prepared by following methods：
25 parts of chitosans are weighed to be scattered in phosphate buffer solution (every gram of chitosan is dispersed to 90mL phosphate buffer solutions
In, pH=7.0) in, constantly rocked at 45 DEG C, 8 parts of forulic acids and 8 parts of cresolases are then sequentially added, under microwave reaction
Logical oxygen reaction 2~3h, microwave power 850W, frequency 750MHz.After reaction, it is gained chitosan-containing-forulic acid is even
The solution of connection thing passes through filtering with microporous membrane.16 parts of AP are charged with, stirring and dissolving, last mixed liquor is with the speed of 4000rpm
Degree 1~2h of centrifugation, removes insoluble matter, and gained filtrate is mixed with cooking liquid in loading self-control flusher；Liquid is arranged including following
Component：5 parts of citric acids, 5 parts of succus liquiritiaes.
It is a kind of to spray hickory kernel using green anti-oxidant compositions and extend the processing method of its storage period, including with
Lower step：
(1) take away the puckery taste：It will be put into by the hickory kernel obtained by traditional handicraft in high steam bucket, add deastringent agent, and fill
Enter appropriate CO2, maintain 2~3h of hot gas pressure boiling of 0.1MPa, hickory kernel to be steamed yellowish pink is pale red, and meat breaks section
Micro- is to take away the puckery taste completely in vain；Deastringent agent includes following component：8 parts of white wine, 8 parts of vinegar, 3 parts of ripe cider, 2 parts of black tea；It is de-
Astringent addition is the 20%~25% of hickory kernel quality.
(2) frying：Hickory kernel after taking away the puckery taste completely is put into pot, adds 5 portions of edible salts, heating-up temperature is 80~90
DEG C, after constantly using 6~8min of very hot oven frying, treatment fluid is added, is changed to small fire 10~15min of frying, until hickory kernel is aqueous
Measure as 5%~6%.During frying, kernel need to be constantly stirred, avoids stir-frying uneven；Treatment fluid includes following component：Water
110 parts, 20 parts of black tea, 6 parts of succus liquiritiae, 8 parts of dried peppermint leaf, 11 parts of granulated sugar, 2 parts of monosodium glutamate, 5 parts of D-sorbite；Treatment fluid adds
Measure as the 5%~8% of hickory kernel quality.
(3) store：Hickory kernel after frying is placed in 30~40min of cooling at room temperature, then toward on hickory kernel uniformly
Ground sprays anti-oxidant compositions, treats that hickory kernel surface forms thin film, is reloaded into PE/Al/PE composite membrane flexible packages,
Vacuumize, seal into packaging storage.
Above method products obtained therefrom storage period reaches 9~10 months.
Embodiment 2
A kind of anti-oxidant compositions, are made of following parts by weight of component：Containing the molten of 10 parts of chitosans/forulic acid conjugate
Liquid, 15 parts of AP, 3 parts of citric acids, 6 parts of succus liquiritiaes.
It is prepared by following methods：
30 parts of chitosans are weighed to be scattered in phosphate buffer solution (it is molten that every gram of chitosan is dispersed to 100mL phosphate-buffereds
In liquid, pH=7.0) in, constantly rocked at 45 DEG C, then sequentially add 10 parts of forulic acids and 10 parts of cresolases, it is anti-in microwave
Logical oxygen reaction 2~3h, microwave power 1000W, frequency 700MHz should be descended.After reaction, by gained chitosan-containing-asafoetide
The solution of sour conjugate passes through filtering with microporous membrane.15 parts of AP are charged with, stirring and dissolving, last mixed liquor is with 5000rpm
Speed centrifuge 1~2h, remove insoluble matter, gained filtrate with cooking liquid mix load make by oneself flusher in；Cooking liquid includes
Following component：3 parts of citric acids, 6 parts of succus liquiritiaes.
It is a kind of to spray hickory kernel using green anti-oxidant compositions and extend the processing method of its storage period, including with
Lower step：
(1) take away the puckery taste：It will be put into by the hickory kernel obtained by traditional handicraft in high steam bucket, add deastringent agent, and fill
Enter appropriate CO2, maintain 2~3h of hot gas pressure boiling of 0.1MPa, hickory kernel to be steamed yellowish pink is pale red, and meat breaks section
Micro- is to take away the puckery taste completely in vain；Deastringent agent includes following component：7 parts of white wine, 6 parts of vinegar, 2 parts of ripe cider, 3 parts of black tea；It is de-
Astringent addition is the 20%~25% of hickory kernel quality.
(2) frying：Hickory kernel after taking away the puckery taste completely is put into pot, adds 6 portions of edible salts, heating-up temperature is 80~90
DEG C, after constantly using 6~8min of very hot oven frying, treatment fluid is added, is changed to small fire 10~15min of frying, until hickory kernel is aqueous
Measure as 5%~6%.During frying, kernel need to be constantly stirred, avoids stir-frying uneven；Treatment fluid includes following component：Water
100 parts, 15 parts of black tea, 8 parts of succus liquiritiae, 8 parts of dried peppermint leaf, 10 parts of granulated sugar, 3 parts of monosodium glutamate, 6 parts of D-sorbite；Treatment fluid adds
Measure as the 5%~8% of hickory kernel quality.
(3) store：Hickory kernel after frying is placed in 30~40min of cooling at room temperature, then toward on hickory kernel uniformly
Ground sprays anti-oxidant compositions, treats that hickory kernel surface forms thin film, is reloaded into PE/Al/PE composite membrane flexible packages,
Vacuumize, seal into packaging storage.
Above method products obtained therefrom storage period reaches 9~10 months.
Embodiment 3
A kind of anti-oxidant compositions, are made of following parts by weight of component：Containing the molten of 7 parts of chitosans/forulic acid conjugate
Liquid, 20 parts of AP, 5 parts of citric acids, 4 parts of succus liquiritiaes.
It is prepared by following methods：
20 parts of chitosans are weighed to be scattered in phosphate buffer solution (every gram of chitosan is dispersed to 80mL phosphate buffer solutions
In, pH=7.0) in, constantly rocked at 45 DEG C, 7 parts of forulic acids and 7 parts of cresolases are then sequentially added, under microwave reaction
Logical oxygen reaction 2~3h, microwave power 900W, frequency 800MHz.After reaction, it is gained chitosan-containing-forulic acid is even
The solution of connection thing passes through filtering with microporous membrane.20 parts of AP are charged with, stirring and dissolving, last mixed liquor is with the speed of 4000rpm
Degree 1~2h of centrifugation, removes insoluble matter, and gained filtrate is mixed with cooking liquid in loading self-control flusher；Liquid is arranged including following
Component：5 parts of citric acids, 4 parts of succus liquiritiaes.
It is a kind of to spray hickory kernel using green anti-oxidant compositions and extend the processing method of its storage period, including with
Lower step：
(1) take away the puckery taste：It will be put into by the hickory kernel obtained by traditional handicraft in high steam bucket, add deastringent agent, and fill
Enter appropriate CO2, maintain 2~3h of hot gas pressure boiling of 0.1MPa, hickory kernel to be steamed yellowish pink is pale red, and meat breaks section
Micro- is to take away the puckery taste completely in vain；Deastringent agent includes following component：10 parts of white wine, 4 parts of vinegar, 4 parts of ripe cider, 2 parts of black tea；It is de-
Astringent addition is the 20%~25% of hickory kernel quality.
(2) frying：Hickory kernel after taking away the puckery taste completely is put into pot, adds 6 portions of edible salts, heating-up temperature is 80~90
DEG C, after constantly using 6~8min of very hot oven frying, treatment fluid is added, is changed to small fire 10~15min of frying, until hickory kernel is aqueous
Measure as 5%~6%.During frying, kernel need to be constantly stirred, avoids stir-frying uneven；Treatment fluid includes following component：Water
130 parts, 20 parts of black tea, 5 parts of succus liquiritiae, 10 parts of dried peppermint leaf, 11 parts of granulated sugar, 3 parts of monosodium glutamate, 4 parts of D-sorbite；Treatment fluid adds
Measure as the 5%~8% of hickory kernel quality.
(3) store：Hickory kernel after frying is placed in 30~40min of cooling at room temperature, then toward on hickory kernel uniformly
Ground sprays anti-oxidant compositions, treats that hickory kernel surface forms thin film, is reloaded into PE/Al/PE composite membrane flexible packages,
Vacuumize, seal into packaging storage.
Above method products obtained therefrom storage period reaches 9~10 months.
Comparative example 1
A kind of processing method of the sprinkling hickory kernel of this comparative example, mainly probe into storage when do not add antioxidant when
The storage period change of hickory kernel, compared with Example 1, differs only in step (3), does not spray anti-oxidant compositions,
Hickory kernel after frying is placed in 30~40min of cooling at room temperature, is directly loadable into PE/Al/PE composite membrane flexible packages, is taken out true
Sky, seals into packaging storage.
Above method products obtained therefrom storage period reaches 3~4 months.
Comparative example 2
The a kind of of this comparative example sprays hickory kernel using green anti-oxidant compositions and extends the processing of its storage period
Method, compared with Example 1, differs only in step (3), and the anti-oxidant compositions of sprinkling are by following parts by weight of component group
Into：Mixed solution containing 25 parts of chitosans and 8 parts of forulic acids, 5 parts of citric acids, 5 parts of succus liquiritiaes.
It is prepared by following methods：
25 parts of chitosans are weighed to be scattered in phosphate buffer solution (every gram of chitosan is dispersed to 80~100mL phosphate and delays
Rush in solution, pH=7.0) in, add 8 parts of forulic acids, dissolving stirring.Gained mixed solution loads self-control sprinkling dress with cooking liquid
In putting；Cooking liquid includes following component：5 parts of citric acids, 5 parts of succus liquiritiaes.
Above method products obtained therefrom storage period reaches 4~5 months.
Comparative example 3
The a kind of of this comparative example sprays hickory kernel using green anti-oxidant compositions and extends the processing of its storage period
Method, compared with Example 1, differs only in step (3), and the anti-oxidant compositions of sprinkling are by following parts by weight of component group
Into：Solution containing 8 parts of chitosans/forulic acid conjugate, 5 parts of citric acids, 5 parts of succus liquiritiaes.
It is prepared by following methods：
25 parts of chitosans are weighed to be scattered in phosphate buffer solution (every gram of chitosan is dispersed to 80~100mL phosphate and delays
Rush in solution, pH=7.0) in, constantly rocked at 45 DEG C, 8 parts of forulic acids and 8 parts of cresolases are then sequentially added, in microwave
Logical oxygen reaction 2~3h, microwave power 850W, frequency 750MHz under reaction.After reaction, by gained chitosan-containing-Ah
The solution of Wei's acid conjugate passes through filtering with microporous membrane.The solution of gained chitosan-containing-forulic acid conjugate is with the speed of 4000rpm
Degree 1~2h of centrifugation, removes insoluble matter, and gained filtrate is mixed with cooking liquid in loading self-control flusher；Liquid is arranged including following
Component：5 parts of citric acids, 5 parts of succus liquiritiaes.
Above method products obtained therefrom storage period reaches 5~6 months.
Comparative example 4
The a kind of of this comparative example sprays hickory kernel using green anti-oxidant compositions and extends the processing of its storage period
Method, compared with Example 1, differs only in step (3), and the anti-oxidant compositions of sprinkling are by following parts by weight of component group
Into：Solution containing 16 parts of ascorbyl palmitates (AP), 5 parts of citric acids, 5 parts of succus liquiritiaes.
It is prepared by following methods：
16 parts of AP are weighed to be scattered in phosphate buffer solution (every gram of AP is dispersed in 80mL phosphate buffer solutions, pH=
7.0) in, stirring and dissolving, resulting solution is mixed with cooking liquid in loading self-control flusher；Cooking liquid includes following component：5 parts
Citric acid, 5 parts of succus liquiritiaes.
Above method products obtained therefrom storage period reaches 5~6 months.
The peroxide value change curve of the hickory kernel that the embodiment of the present invention 1 and comparative example 1~4 obtain as shown in Figure 1,
As seen from the figure, anti-oxidant compositions of the present invention can effectively suppress the peroxide value in hickory kernel, extend storage period, and AP with
There is obvious synergistic effect in chitosan/forulic acid conjugate.
Claims (10)
- A kind of 1. anti-oxidant compositions, it is characterised in that including the solution containing 7~10 parts of chitosans/forulic acid conjugate and 15~20 parts of ascorbyl palmitates.
- 2. anti-oxidant compositions according to claim 1, it is characterised in that the chitosan-containing/forulic acid conjugate Solution preparation method it is as follows：Weigh a certain amount of chitosan to be scattered in phosphate buffer solution, sequentially add forulic acid and cresolase, it is auxiliary in microwave Help down and be passed through oxygen reaction, after reaction, filter off solution of the insoluble matter up to the chitosan-containing/forulic acid conjugate.
- 3. anti-oxidant compositions according to claim 2, it is characterised in that the throwing of chitosan, forulic acid and cresolase It is 20~30 to add mass ratio：7~10：7~10, every gram of chitosan is dispersed in 80~100mL phosphate buffer solutions.
- 4. anti-oxidant compositions according to claim 2, it is characterised in that reaction temperature is 40~50 DEG C, during reaction Between be 2~3h.
- 5. anti-oxidant compositions according to claim 2, it is characterised in that the condition of the microwave radiation technology is：It is micro- Wave power is 850~1000W, and frequency is 700~800MHz.
- 6. anti-oxidant compositions according to claim 1, it is characterised in that including following parts by weight of component：Containing 7~10 Solution, 15~20 parts of ascorbyl palmitates, 3~5 parts of citric acids, 4~6 portions of radix glycyrrhizaes of part chitosan/forulic acid conjugate Juice.
- A kind of 7. preparation method according to claim 1~6 any one of them anti-oxidant compositions, it is characterised in that bag Include：Add ascorbyl palmitate in the solution of chitosan-containing/forulic acid conjugate, after stirring and dissolving, with 4000~ The speed of 5000rpm centrifuges 1~2h, removes insoluble matter, adds remaining component and be uniformly mixed.
- A kind of 8. application according to claim 1~6 any one of them anti-oxidant compositions in food processing.
- 9. application of the anti-oxidant compositions according to claim 8 in food processing, it is characterised in that described is anti- Additive of the oxidizing agent composition as hickory kernel process, the fresh-retaining preserving for hickory kernel.
- 10. application of the anti-oxidant compositions according to claim 9 in food processing, it is characterised in that described Process includes：(1) take away the puckery taste：Hickory kernel is put into deastruingent device, adds deastringent agent, and be filled with appropriate CO2, maintain the hot gas of 0.1MPa 2~3h of pressure boiling；(2) frying：Hickory kernel after taking away the puckery taste completely is put into pot, add proper amount of edible salt, at 80~90 DEG C frying 6~ After 8min, treatment fluid is added, continues 10~15min of frying, until hickory kernel water content is 5%~6%；(3) store：Hickory kernel after frying is placed in after cooling down 30~40min at room temperature, sprays the antioxidant group Compound, is packed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711165416.9A CN107969494A (en) | 2017-11-21 | 2017-11-21 | A kind of anti-oxidant compositions and its preparation method and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109673781A (en) * | 2019-02-27 | 2019-04-26 | 厦门元之道生物科技有限公司 | A kind of active polyphenol fermentation liquid of high anti-oxidation and its preparation process |
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Non-Patent Citations (3)
| Title |
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| 李斌等: "《食品酶学与酶工程》", 30 September 2017, 中国农业大学出版社 * |
| 王兴国，等: "抗坏血酸棕榈酸酯在不同油品中的抗氧化性能研究", 《中国油脂》 * |
| 裴继诚，等: "漆酶催化壳聚糖－阿魏酸接枝共聚提高产物抗氧化及抗菌性的研究", 《功能材料》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109673781A (en) * | 2019-02-27 | 2019-04-26 | 厦门元之道生物科技有限公司 | A kind of active polyphenol fermentation liquid of high anti-oxidation and its preparation process |
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Application publication date: 20180501 |