CN108157758A - A kind of preparation method of food bleaching agent - Google Patents

A kind of preparation method of food bleaching agent Download PDF

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Publication number
CN108157758A
CN108157758A CN201711492538.9A CN201711492538A CN108157758A CN 108157758 A CN108157758 A CN 108157758A CN 201711492538 A CN201711492538 A CN 201711492538A CN 108157758 A CN108157758 A CN 108157758A
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food
mass ratio
bleaching agent
mixed
temperature
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陈兴权
乔舍
林凡
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Changzhou Amante Chemical Engineering Co Ltd
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Changzhou Amante Chemical Engineering Co Ltd
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/40Colouring or decolouring of foods
    • A23L5/49Removing colour by chemical reaction, e.g. bleaching
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/34Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
    • A23L3/3454Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
    • A23L3/3463Organic compounds; Microorganisms; Enzymes
    • A23L3/3562Sugars; Derivatives thereof
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L33/00Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
    • A23L33/10Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
    • A23L33/105Plant extracts, their artificial duplicates or their derivatives
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/20Removal of unwanted matter, e.g. deodorisation or detoxification
    • A23L5/27Removal of unwanted matter, e.g. deodorisation or detoxification by chemical treatment, by adsorption or by absorption
    • A23L5/273Removal of unwanted matter, e.g. deodorisation or detoxification by chemical treatment, by adsorption or by absorption using adsorption or absorption agents, resins, synthetic polymers, or ion exchangers
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23PSHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P10/00Shaping or working of foodstuffs characterised by the products
    • A23P10/30Encapsulation of particles, e.g. foodstuff additives
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mycology (AREA)
  • Botany (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)

Abstract

The invention belongs to food processing technology fields, and in particular to a kind of preparation method of food bleaching agent.Main bleach of the invention is that a kind of enzyme is extracted from soybean, certain unrighted acids or lipid oxidation containing the aliphatic acid can be generated peroxide by it, so as to aoxidize the pigment in food, and then achieve the purpose that bleach food, another enzyme is extracted also from hedgehog hydnum mushroom bran simultaneously, it can pass through the araboxylan in pasta of degrading, so as to improve product quality, the two enzyme combines, so as to the pigment in food is removed simultaneously, it will not influence the quality of food, and also contain fungi polysaccharide in hedgehog hydnum mushroom bran extracting solution, so as to improve the healthcare function of food, due to soybean, there are pigment and fishy smell in hedgehog hydnum mushroom bran, so as to be decolourized using macroporous absorbent resin to enzyme solution, deodorization is handled, food is avoided to be stained with, so as to further improve the bleaching effect of food bleaching agent.

Description

A kind of preparation method of food bleaching agent
Technical field
The invention belongs to food processing technology fields, and in particular to a kind of preparation method of food bleaching agent.
Background technology
Food bleaching agent, bleaching agent are the chromogenic factors for referring to destroy, inhibit food, it is made to fade or makes food from brown stain Substance.It makes food from brown stain and improves food quality, while has certain antisepsis.Being divided into has oxidized form and goes back Two major class of prototype bleaching agent.Oxidized form bleaching agent is by coloring material oxygenolysis after bleaching.Mainly there is hydrogen peroxide(It is usually used in Noodles, grilled fish volume, cake etc.), ammonium persulfate(It is usually used in flour), bleaching powder etc..Reduced form bleaching agent be sulfurous acid and its Salt has sodium sulfite, sodium pyrosulfite(Potassium), Hydros etc., pass through its SO generated2Reduction take off substance Color.
There are many type of bleaching agent, but in view of the safety of food and the particularity of itself, are really suitably applied food The bleaching agent kind of product is few.Divide reduced form bleaching agent and oxidized form bleaching agent by its mechanism of action.Either reduced form is bleached Agent or oxidized form bleaching agent, other than having and improving food color, some bleaching agents, which also have, is passivated bioenzyme activity and inhibition The effect of microbial reproduction, so as to play controlling enzymatic browning and it is antibacterial the effects that.Reduced form bleaching agent is in garden stuff processing Middle application is more, mainly by the reduction of sulfur dioxide ingredient therein, the pigment composition in fruits and vegetables is made to decompose or take off Color.It, which is acted on, compares mitigation, but may be developed the color again once being aoxidized again by the coloring matter of its bleaching.Reduced form bleaching agent Entirely based on sulfurous acid supplement, such as sodium sulfite, Hydros(Sodium hydrosulfite), pyrosulfurous acid sodium salt or sylvite, sulfurous Sour hydrogen sodium and sulphur etc..
Oxidized form bleaching agent is to destroy coloring material or chromophoric group by the oxidation of itself, so as to reach bleaching Purpose.For oxidized form bleaching agent other than a small number of kinds such as azodicarbonamide as Flour ingredient, practical application is seldom.
Common food bleaching agent mainly has two kinds of sulfur dioxide and sulphite, and sulfur dioxide meets water and forms sulfurous acid, Bleaching, antisepsis mechanism:(1)Sulfurous acid can make coloring material reducing decoloration when being aoxidized, and food is made to keep fresh colour; (2)Sulfurous acid has oxidizing ferment high inhibition effect, prevents enzymatic browning;(3)Sulfurous acid carries out addition reaction with sugar, blocks containing carbonyl The condensation reaction of based compound and amino acid, so as to prevent the nonenzymatic browning as caused by reacting sugared ammonia;(4)Sulfurous acid is strong also Former agent can block the physiological oxidation process of microorganism, have inhibiting effect to bacterium, mould, saccharomycete, therefore it is both bleaching agent It is preservative again.Sulfites are reacted with acid, generate SO2And water, sulfurous acid is then generated, generates blanching effect.As drift White agent, there are some shortcomings for sulphite:Sulphite is not suitable for animal food, in order to avoid the stale flavor of meat, fish etc. is covered, Destroy vitamin B1.In addition sulphite may lead to allergic reaction, thus severely limited in the country such as U.S..
Existing food is primarily present the defects of following with bleaching agent:Bleaching agent is made of mostly chemical substance, is used Precipitation is easily left on food afterwards, injury is easily caused to environment and human body.
Therefore, we it is necessary to designs again to prepare a kind of novel, safe food bleaching agent, solved with this Certainly the problems of bleaching agent nowadays in the market preferably to be adapted to the demand of food production industry, promotes with this The development of China's food processing field.
Invention content
The technical problems to be solved by the invention:It is made of mostly chemical substance for current bleaching agent, easily in food after use On the problem of leaving precipitation, injury is easily caused to environment and human body, a kind of preparation method of food bleaching agent is provided.
In order to solve the above technical problems, the present invention is using technical solution as described below:
A kind of preparation method of food bleaching agent, the preparation method include the following steps:
(1)Soybean is ground, is sieved, obtains sieving, in mass ratio 1:7~8:7 ~ 8, by sieving, distilled water, Boratex Buffer solution is mixed, and vibration is filtered with filter paper, obtains filtrate, hedgehog hydnum mushroom bran is smashed to pieces, adds in hedgehog hydnum mushroom bran quality 5 ~ 6 Times distilled water, homogenate obtains homogenate, homogenate is put into container, extracted at 40 ~ 60 DEG C of temperature, obtain extracting solution, will carry Liquid is taken to centrifuge, takes supernatant, in mass ratio 10 ~ 15:2 ~ 3, filtrate, supernatant are uniformly mixed, obtain mixed liquor, by quality Than 1:7 ~ 8, macroporous absorbent resin, mixed liquor are placed in shaking table, is vibrated at 25 ~ 30 DEG C of temperature, takes supernatant;
(2)It counts in parts by weight, takes 30 ~ 40 parts of acetic acid solutions, 10 ~ 15 parts of chitosans, 5 ~ 6 portions of leaching liquors, 1 ~ 2 part of glycerine, 1 ~ 2 Part polyethylene glycol, chitosan, acetic acid solution are mixed, and are stirred at 25 ~ 30 DEG C of temperature, are added in glycerine, polyethylene glycol stirs It mixes, the leaching liquor added, and stirs evenly, then carry out vacuum suction, obtain stirring liquid, in mass ratio 10 ~ 15:3 ~ 4, it will stir Supernatant is added dropwise with the rate of 1 ~ 3mL/min under stiring in liquid, stands, abandons supernatant a, and be spray-dried, obtain dried object;
(3)In mass ratio 1:7 ~ 8, zeins, ethanol solution are mixed, stirred evenly at 40 ~ 60 DEG C of temperature, Liquid, in mass ratio 1 must be stirred:5 ~ 6, dried object immersion is stirred in liquid after 3 ~ 5 s and is taken out, and in temperature 28 ~ 30 DEG C aeration-drying is to get food bleaching agent.
The step(1)Middle sodium borate buffer liquid is in mass ratio 8:6:1:30 ~ 40, by sodium chloride, boric acid disodium hydrogen, boron Sour hydrogen is received, water is mixed, and stirs evenly to get sodium borate buffer liquid.
The step(2)Middle leaching liquor is in mass ratio 1:80, green tea, ethanol solution are mixed, stirred evenly, then 30 ~ 40min of extraction is to get leaching liquor at 48 ~ 50 DEG C of temperature.
Compared with other methods, advantageous effects are the present invention:
(1)Main bleach of the invention is that a kind of enzyme is extracted from soybean, can be by certain unrighted acids or containing the fat The lipid oxidation generation peroxide of fat acid, so as to aoxidize the pigment in food, and then achievees the purpose that bleach food, simultaneously Another enzyme is extracted also from hedgehog hydnum mushroom bran, it can be by the araboxylan in pasta of degrading, so as to improve production Product quality, the two enzyme combine, and so as to the pigment in food is removed simultaneously, will not influence the quality of food, and hedgehog hydnum mushroom bran Also contain fungi polysaccharide in extracting solution, so as to improve the healthcare function of food, due in soybean, hedgehog hydnum mushroom bran also have pigment and Fishy smell so as to be decolourized using macroporous absorbent resin to enzyme solution, deodorization processing, avoids food from being stained with, so as to further improve The bleaching effect of food bleaching agent.
(2)The present invention also enzyme solution is effectively adsorbed using chitosan as carrier, recycling maize alcohol-soluble protein film into The weak coating solution of the addition of row package, while a kind of polyphenol substance also extracted from green tea, and polyphenol substance is intermolecular Hydrogen bond, so as to cause the reduction of moisture content in composite membrane and water vapor transmission, when polyphenol substance, glycerine and polyethylene glycol in When in film, the immixture of polyphenol substance and glycerine results in the change of crystalline texture and molecular separating force in molecule in solution Change, reduce the mobility of membrane molecule chain, so as to make film not easily broken, can preferably protect active ingredient, improve food drift The effect of white agent, and chitosan also has effects that certain sterilization and anticorrosion, so as to effectively extend the quality guarantee period of food.
Specific embodiment
The model of macroporous absorbent resin be HZ202, HZ801, HZ806 it is therein any one.
Sodium borate buffer liquid is in mass ratio 8:6:1:30 ~ 40, by sodium chloride, boric acid disodium hydrogen, boric acid hydrogen is received, water carries out Mixing, stirs evenly to get sodium borate buffer liquid.
Leaching liquor is in mass ratio 1:80, green tea, ethanol solution are mixed, stirred evenly, then in 48 ~ 50 DEG C of temperature 30 ~ 40min is to get leaching liquor for lower extraction.
A kind of preparation method of food bleaching agent, the preparation method include the following steps:
(1)Soybean is ground, 100 ~ 120 mesh sieve is crossed, obtains sieving, in mass ratio 1:7~8:7 ~ 8, by sieving, distillation Water, sodium borate buffer liquid are mixed, and shake 25 ~ 30min with the rate of 100 ~ 120r/min, are filtered with filter paper, are obtained filtrate, Hedgehog hydnum mushroom bran is smashed to pieces, adds in the distilled water of 5 ~ 6 times of hedgehog hydnum mushroom bran quality, 2 ~ 4min is homogenized with 8000 ~ 10000r/min, Homogenate is obtained, homogenate is put into container, in 40 ~ 60 DEG C of temperature, 1 ~ 2h is extracted under the conditions of 200 ~ 300r/min, must be extracted Extracting solution is centrifuged 8 ~ 10min with 3000 ~ 4000r/min, takes supernatant, in mass ratio 10 ~ 15 by liquid:2 ~ 3, by filtrate, supernatant Liquid is uniformly mixed, and obtains mixed liquor, in mass ratio 1:7 ~ 8, macroporous absorbent resin, mixed liquor are placed in shaking table, in temperature 25 ~ 30 DEG C, oscillation 20 under the conditions of 100 ~ 120r/min ~ for 24 hours, take supernatant;
(2)It counts in parts by weight, takes 30 ~ 40 parts of acetic acid solutions, 10 ~ 15 parts of chitosans, 5 ~ 6 portions of leaching liquors, 1 ~ 2 part of glycerine, 1 ~ 2 Part polyethylene glycol, chitosan, 1.0mol/L acetic acid solutions are mixed, stirred at 25 ~ 30 DEG C of temperature, 200 ~ 300r/min 3 ~ 4h adds in glycerine, polyethylene glycol is stirred 1 ~ 2h, the leaching liquor added, and stirred evenly with 300 ~ 400r/min, then true 0.01 ~ 0.03MPa of reciprocal of duty cycle carries out 1 ~ 2h of vacuum suction, obtains stirring liquid, in mass ratio 10 ~ 15:3 ~ 4, will stirring liquid with 1000 ~ Supernatant is added dropwise with the rate of 1 ~ 3mL/min under 2000r/min stirring conditions, 10 ~ 12h is stood, supernatant a is abandoned, in import temperature It is 120 ~ 140 DEG C to spend, and atomisation pressure is to be spray-dried under 0.3 ~ 0.4 MPa, obtains dried object;
(3)In mass ratio 1:7 ~ 8, the ethanol solution of zeins, mass fraction 80 ~ 90% is mixed, in temperature 40 It ~ 60 DEG C, stirs evenly under 200 ~ 300r/min, liquid, in mass ratio 1 must be stirred:5 ~ 6, dried object immersion is stirred It is taken out after 3 ~ 5 s in liquid, and in 28 ~ 30 DEG C of aeration-dryings of temperature to get food bleaching agent.
Embodiment 1
The model of macroporous absorbent resin is HZ202.
Sodium borate buffer liquid is in mass ratio 8:6:1:30, by sodium chloride, boric acid disodium hydrogen, boric acid hydrogen is received, water mixes It closes, stirs evenly to get sodium borate buffer liquid.
Leaching liquor is in mass ratio 1:80, green tea, ethanol solution are mixed, stirred evenly, then at 48 DEG C of temperature 30min is extracted to get leaching liquor.
A kind of preparation method of food bleaching agent, the preparation method include the following steps:
(1)Soybean is ground, is sieved with 100 mesh sieve, obtains sieving, in mass ratio 1:7:7, by sieving, distilled water, Boratex Buffer solution is mixed, and shakes 25min with the rate of 100r/min, is filtered with filter paper, is obtained filtrate, hedgehog hydnum mushroom bran is smash It is broken, the distilled water of 5 times of hedgehog hydnum mushroom bran quality is added in, 2min is homogenized with 8000r/min, homogenate is obtained, homogenate is put into container In, in 40 DEG C of temperature, 1h is extracted under the conditions of 200r/min, obtains extracting solution, extracting solution is centrifuged into 8min with 3000r/min, is taken Clear liquid, in mass ratio 10:2, filtrate, supernatant are uniformly mixed, obtain mixed liquor, in mass ratio 1:7, by macroporous absorption tree Fat, mixed liquor are placed in shaking table, are vibrated 20h under the conditions of 25 DEG C of temperature, 100r/min, are taken supernatant;
(2)It counts in parts by weight, takes 30 parts of acetic acid solutions, 10 parts of chitosans, 5 portions of leaching liquors, 1 part of glycerine, 1 part of polyethylene glycol, Chitosan, 1.0mol/L acetic acid solutions are mixed, 3h is stirred at 25 DEG C of temperature, 200r/min, adds in glycerine, poly- second two Alcohol stirs 1h, the leaching liquor added, and is stirred evenly with 300r/min, then carries out vacuum suction 1h in vacuum degree 0.01MPa, Liquid, in mass ratio 10 must be stirred:3, by stirring liquid supernatant is added dropwise with the rate of 1mL/min under 1000r/min stirring conditions, 10h is stood, abandons supernatant a, is 120 DEG C in inlet temperature, atomisation pressure is to be spray-dried under 0.3MPa, obtains dried object;
(3)In mass ratio 1:7, the ethanol solution of zeins, mass fraction 80% is mixed, in 40 DEG C of temperature, It is stirred evenly under 200r/min, liquid, in mass ratio 1 must be stirred:5, dried object immersion is stirred in liquid after 3 s and is taken Go out, and in 28 DEG C of aeration-dryings of temperature to get food bleaching agent.
Embodiment 2
The model of macroporous absorbent resin is HZ801.
Sodium borate buffer liquid is in mass ratio 8:6:1:35, by sodium chloride, boric acid disodium hydrogen, boric acid hydrogen is received, water mixes It closes, stirs evenly to get sodium borate buffer liquid.
Leaching liquor is in mass ratio 1:80, green tea, ethanol solution are mixed, stirred evenly, then at 49 DEG C of temperature 35min is extracted to get leaching liquor.
A kind of preparation method of food bleaching agent, the preparation method include the following steps:
(1)Soybean is ground, 110 mesh sieve is crossed, obtains sieving, in mass ratio 1:7:7, by sieving, distilled water, Boratex Buffer solution is mixed, and shakes 27min with the rate of 110r/min, is filtered with filter paper, is obtained filtrate, hedgehog hydnum mushroom bran is smash It is broken, the distilled water of 5 times of hedgehog hydnum mushroom bran quality is added in, 3min is homogenized with 9000r/min, homogenate is obtained, homogenate is put into container In, 1h is extracted under the conditions of temperature 45 C, 250r/min, obtains extracting solution, extracting solution is centrifuged into 9min with 3500r/min, is taken Clear liquid, in mass ratio 12:2, filtrate, supernatant are uniformly mixed, obtain mixed liquor, in mass ratio 1:7, by macroporous absorption tree Fat, mixed liquor are placed in shaking table, are vibrated 22h under the conditions of 27 DEG C of temperature, 110r/min, are taken supernatant;
(2)It counts in parts by weight, takes 35 parts of acetic acid solutions, 12 parts of chitosans, 5 portions of leaching liquors, 1 part of glycerine, 1 part of polyethylene glycol, Chitosan, 1.0mol/L acetic acid solutions are mixed, 3h is stirred at 27 DEG C of temperature, 250r/min, adds in glycerine, poly- second two Alcohol stirs 1h, the leaching liquor added, and is stirred evenly with 350r/min, then carries out vacuum suction 1h in vacuum degree 0.02MPa, Liquid, in mass ratio 12 must be stirred:3, by stirring liquid supernatant is added dropwise with the rate of 2mL/min under 1500r/min stirring conditions, 11h is stood, abandons supernatant a, is 130 DEG C in inlet temperature, atomisation pressure is to be spray-dried under 0.3 MPa, obtains dried object;
(3)In mass ratio 1:7, the ethanol solution of zeins, mass fraction 85% is mixed, in temperature 45 C, It is stirred evenly under 250r/min, liquid, in mass ratio 1 must be stirred:5, dried object immersion is stirred in liquid after 3s and is taken out, And in 29 DEG C of aeration-dryings of temperature to get food bleaching agent.
Embodiment 3
The model of macroporous absorbent resin is HZ806.
Sodium borate buffer liquid is in mass ratio 8:6:1:40, by sodium chloride, boric acid disodium hydrogen, boric acid hydrogen is received, water mixes It closes, stirs evenly to get sodium borate buffer liquid.
Leaching liquor is in mass ratio 1:80, green tea, ethanol solution are mixed, stirred evenly, then under temperature 50 C 40min is extracted to get leaching liquor.
A kind of preparation method of food bleaching agent, the preparation method include the following steps:
(1)Soybean is ground, 120 mesh sieve is crossed, obtains sieving, in mass ratio 1:8:8, by sieving, distilled water, Boratex Buffer solution is mixed, and shakes 30min with the rate of 120r/min, is filtered with filter paper, is obtained filtrate, hedgehog hydnum mushroom bran is smash It is broken, the distilled water of 6 times of hedgehog hydnum mushroom bran quality is added in, 4min is homogenized with 10000r/min, homogenate is obtained, homogenate is put into container In, 2h is extracted under the conditions of temperature 60 C, 300r/min, obtains extracting solution, extracting solution is centrifuged into 10min with 4000r/min, is taken Clear liquid, in mass ratio 15:3, filtrate, supernatant are uniformly mixed, obtain mixed liquor, in mass ratio 1:8, by macroporous absorption tree Fat, mixed liquor are placed in shaking table, are vibrated for 24 hours under the conditions of 30 DEG C of temperature, 120r/min, are taken supernatant;
(2)It counts in parts by weight, takes 40 parts of acetic acid solutions, 15 parts of chitosans, 6 portions of leaching liquors, 2 parts of glycerine, 2 parts of polyethylene glycol, Chitosan, 1.0mol/L acetic acid solutions are mixed, 4h is stirred at 30 DEG C of temperature, 300r/min, adds in glycerine, poly- second two Alcohol stirs 2h, the leaching liquor added, and is stirred evenly with 400r/min, then carries out vacuum suction 2h in vacuum degree 0.03MPa, Liquid, in mass ratio 15 must be stirred:4, by stirring liquid supernatant is added dropwise with the rate of 3mL/min under 2000r/min stirring conditions, 12h is stood, abandons supernatant a, is 140 DEG C in inlet temperature, atomisation pressure is to be spray-dried under 0.4 MPa, obtains dried object;
(3)In mass ratio 1:8, the ethanol solution of zeins, mass fraction 90% is mixed, in temperature 60 C, It is stirred evenly under 300r/min, liquid, in mass ratio 1 must be stirred:6, dried object immersion is stirred in liquid after 5 s and is taken Go out, and in 30 DEG C of aeration-dryings of temperature to get food bleaching agent.
Comparative example:The food bleaching agent of Guangzhou bio tech ltd production
Method:Take the food bleaching agent prepared by the embodiment and comparative example of equivalent.Each processing is bleached for similar meat, etc. After same time, the bleaching that the bleaching agent that embodiment is respectively produced with comparative example is detected according to standard GB 6783-2013 is imitated Rate, and bleaching agent retained sediments amount therein is detected using high performance liquid chromatograph.
The specific detection case of bleaching agent such as table 1
Table 1
Toxicity test:The bleaching agent that embodiment is produced with comparative example is chosen, four matter yellowish-brown adult guinea pigs are chosen, at its back Both sides shaving goes to hair-fields into several.Bleaching agent with swab stick is coated with successively daily, its safety is detected after experiment.
Bleaching agent safety detection situation such as table 2
Table 2
From the foregoing, it will be observed that the bleaching agent prepared by the present invention can safely and efficiently bleach food, and will not cause to remain, The bleaching agent that toxicity test can also be intuitively shown prepared by the present invention is harmless, is worthy to be popularized and uses.

Claims (3)

1. a kind of preparation method of food bleaching agent, which is characterized in that the preparation method includes the following steps:
(1)Soybean is ground, is sieved, obtains sieving, in mass ratio 1:7~8:7 ~ 8, by sieving, distilled water, Boratex Buffer solution is mixed, and vibration is filtered with filter paper, obtains filtrate, hedgehog hydnum mushroom bran is smashed to pieces, adds in hedgehog hydnum mushroom bran quality 5 ~ 6 Times distilled water, homogenate obtains homogenate, homogenate is put into container, extracted at 40 ~ 60 DEG C of temperature, obtain extracting solution, will carry Liquid is taken to centrifuge, takes supernatant, in mass ratio 10 ~ 15:2 ~ 3, filtrate, supernatant are uniformly mixed, obtain mixed liquor, by quality Than 1:7 ~ 8, macroporous absorbent resin, mixed liquor are placed in shaking table, is vibrated at 25 ~ 30 DEG C of temperature, takes supernatant;
(2)It counts in parts by weight, takes 30 ~ 40 parts of acetic acid solutions, 10 ~ 15 parts of chitosans, 5 ~ 6 portions of leaching liquors, 1 ~ 2 part of glycerine, 1 ~ 2 Part polyethylene glycol, chitosan, acetic acid solution are mixed, and are stirred at 25 ~ 30 DEG C of temperature, are added in glycerine, polyethylene glycol stirs It mixes, the leaching liquor added, and stirs evenly, then carry out vacuum suction, obtain stirring liquid, in mass ratio 10 ~ 15:3 ~ 4, it will stir Supernatant is added dropwise with the rate of 1 ~ 3mL/min under stiring in liquid, stands, abandons supernatant a, and be spray-dried, obtain dried object;
(3)In mass ratio 1:7 ~ 8, zeins, ethanol solution are mixed, stirred evenly at 40 ~ 60 DEG C of temperature, Liquid, in mass ratio 1 must be stirred:5 ~ 6, dried object immersion is stirred in liquid after 3 ~ 5 s and is taken out, and in temperature 28 ~ 30 DEG C aeration-drying is to get food bleaching agent.
2. the preparation method of food bleaching agent according to claim 1, which is characterized in that the step(1)Middle Boratex delays Fliud flushing is in mass ratio 8:6:1:30 ~ 40, by sodium chloride, boric acid disodium hydrogen, boric acid hydrogen is received, water mixes, and stirs evenly, i.e., Obtain sodium borate buffer liquid.
3. the preparation method of food bleaching agent according to claim 1, which is characterized in that the step(2)Middle leaching liquor is In mass ratio 1:80, green tea, ethanol solution are mixed, stirred evenly, then 30 ~ 40min is extracted at 48 ~ 50 DEG C of temperature, Up to leaching liquor.
CN201711492538.9A 2017-12-30 2017-12-30 A kind of preparation method of food bleaching agent Withdrawn CN108157758A (en)

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