CN102763764B - Method for preparing chicken bone collagen powder - Google Patents

Method for preparing chicken bone collagen powder Download PDF

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CN102763764B
CN102763764B CN2012102748253A CN201210274825A CN102763764B CN 102763764 B CN102763764 B CN 102763764B CN 2012102748253 A CN2012102748253 A CN 2012102748253A CN 201210274825 A CN201210274825 A CN 201210274825A CN 102763764 B CN102763764 B CN 102763764B
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chicken bone
collagen powder
maillard reaction
bone collagen
fine fodder
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CN102763764A (en
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董桂勇
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Hebei shangongfang Biotechnology Co.,Ltd.
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LONGYAO JINYE CONDIMENT CO Ltd
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Abstract

The invention discloses a method for preparing chicken bone collagen powder, belonging to the technical field of edible protein processing. The method comprises the following steps: (1) ultrafine grinding, (2) biological enzymolysis, (3) atmospheric-pressure cooking and extracting, (4) separating and concentrating, (5) mixing, (6) Maillard reaction, (7) blending, (8) homogenizing and emulsifying, (9) sterilizing, (10) drying, and (11) granulating. The chicken bone collagen powder is prepared by making chicken bone into particles by adopting the microencapsulation technology, wherein the particles internally comprise all the nutrients of the chicken bone and are externally coated with the xanthan gum layers and the lecithin layers. The chicken bone collagen powder has long shelf life, mild taste, strong meat flavor and high content of nutrients and is convenient to eat. The detection and test show that the chicken bone collagen powder reaches the related technical standard of the national food industry.

Description

A kind of preparation method of chicken bone collagen powder
Technical field
The present invention relates to a kind of preparation method of chicken bone collagen powder, belong to the edible protein processing technique field.
Background technology
China raises livestock and poultry maximum countries in the world, and the processing of annual divided chicken has caused a large amount of chicken carcasses to accumulate.Protein in bone 90% is collagen, ossein and chondroitin (acid mucopolysaccharide), and it has the effect that strengthens subcutaneous cellular metabolism, delays senility, and SPP1 is the soluble protein of full price comparatively, and biological value is high, and nutritive value is higher.China is also relatively backward to the processing and utilization of Animal Bone at present, and annual have a large amount of Animal Bones to be wasted or to be processed into the very low product of added value, as be processed into feed addictive etc.Along with China's meat of poultris processing output rises year by year, how processing and utilization fowl bone becomes a very important problem.
Meanwhile, along with economic growth and social progress, the people is growing to the demand of functional nutrient health food, articles for use.Definite functions, the natural nutrition care merchandise that price is suitable more and more are subject to market and pursue.And the domestic market does not almost have ripe high calcium chicken bone collagen powder product to sell at present
Domestic enterprise and scholar are increasing to the research of chicken bone comprehensive utilization aspect in recent years, particularly the bone class is carried out the high pressure extracting and forming suitability for industrialized production a lot of years, but high pressure extracting nutrition is damaged and many and calcareously substantially not to be effectively utilized, and is difficult to find up to now high calcium chicken bone collagen series products on market.Because chicken osteotrophy comparison of ingredients is many, very easily corrupt, in case produce, must process immediately or freezing processing, chicken bone Applications in food is mainly the high pressure extracting at present, and the loss of cost better nutritivity is many, and sales volume is limited, this just causes a big chunk chicken bone all to be processed to the lower feed of added value, and the larger exploitation that restrict the chicken bone of this characteristic have caused chicken bone deep processing level still barely satisfactory so far.
At present chicken bone deep processed product generally has following defective: 1, flat, the chicken soup of taste does not feel obvious; 2, lack the natural fragrance of stewed chicken soup; 3, the nutritional labeling loss is many, and finished product is calcareous and protein content is on the low side.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of preparation method of chicken bone collagen powder, the chicken bone collagen powder of the inventive method preparation, utilize microcapsules technology with chicken bone granulation, granule interior comprises the complete nutrients matter of chicken bone, the particle outside coats xanthan glue-line and lecithin layer successively, have long shelf-life, instant, mouthfeel gentleness, aromatic strongly fragrant, the nutrient composition content high of meat, test has arrived state food industry Its Relevant Technology Standards after testing.
The technical solution used in the present invention is: a kind of preparation method of chicken bone collagen powder comprises the following steps:
⑴ ultramicro grinding: it is 100~150 thin sauce of purpose that chicken carcasses is ground into granularity;
⑵ biological enzymolysis: thin sauce is added reactor, add protease, carry out enzymolysis;
⑶ atmospheric cooking extracting: the product after enzymolysis is warming up to 100~105 ℃ of atmospheric cooking extractings 2 hours;
(4) separation is concentrated: the bone slag in feed liquid after the atmospheric cooking extracting is separated with foreign material, and then being concentrated to Brix is 25%~35%, obtains the chicken bone concentrating liquid;
(5) be in harmonious proportion: take the Maillard reaction fine fodder, Maillard reaction fine fodder and chicken bone concentrating liquid are added in crutcher be in harmonious proportion, the weight ratio of chicken bone concentrating liquid and Maillard reaction fine fodder is 13.1~13.3:65;
The Maillard reaction fine fodder is comprised of following material by weight:
Salt 5.1~5.3
Glucose 2.9~3.1
D-wood sugar 1.4~1.6
Thiamine hydrochloride 0.8~1.1
Cys hydrochloride 2.9~3.1;
(6) Maillard reaction: reaction fine fodder and chicken bone concentrating liquid after step (5) is in harmonious proportion add in reaction pot, and 103~107 ℃ of reactions obtained the Maillard reaction feed liquid in 2 hours;
(7) allotment: take in proportion microcapsule embedded fine fodder, Maillard reaction feed liquid and demineralized water, its weight proportion is, microcapsule embedded fine fodder: Maillard reaction feed liquid: demineralized water=16.8~17.1:700:200;
Microcapsule embedded fine fodder is comprised of following material by weight:
Vitamin E 0.16~0.18
Xanthans 0.28~0.31
Cycloheptaamylose 5.1~5.5
Maltodextrin 11.13~11.17;
1/5th of the demineralized water weight that takes is added in reactor, microcapsule embedded fine fodder is added stirring and dissolving in reactor;
Microcapsule embedded fine fodder and remaining demineralized water after dissolving are added the Maillard reaction feed liquid, stir;
(8) emulsifying homogeneous: open high-speed shearing emulsion machine to without till caking, obtain the good Maillard reaction feed liquid of emulsification;
(9) sterilization: the Maillard reaction feed liquid that step (8) emulsification is good pumps into storage tank after the sterilization in 30 minutes of 95~98 ℃ of lower mashing offs;
(10) drying: the EAT of setting spray drying tower is 170 ℃, and temperature of outgoing air is 90~95 ℃, and the negative-pressure operation state is opened the high-pressure emulsification homogenizer, and the feed liquid spray-drying powder process after step (9) sterilization is obtained chicken bone collagen powder semi-finished product;
(11) granulation: the chicken bone collagen powder semi-finished product of step (10) are carried out drying; Spraying xanthan gum solution after dry; Then the spraying lecithin aqueous solution; The dry cooling chicken bone collagen powder that obtains after spraying lecithin solution;
The xanthans consumption is 0.18%~0.21% of chicken bone collagen powder semi-manufactured goods quality, and in xanthan gum solution, the mass ratio of xanthans and water is 1:40;
The lecithin consumption is 0.14%~0.18% of chicken bone collagen powder semi-manufactured goods quality, and in the lecithin aqueous solution, the mass ratio of lecithin and water is 1:40.
Step (2) protease derives from aspergillus oryzae.The present invention's protease used is Tianjin Binhai Nuoao Enzyme Engineering Technology Co., Ltd.'s product.
The addition of step (2) protease is the one thousandth of thin sauce weight.
In step (2), the temperature of enzymolysis is 48~52 ℃, and the time of enzymolysis is 2 hours.
Feed liquid being concentrated into Brix in step (4) is 30%.
Brix refers to the content of the soluble solid in product, is again Brix degree.
1, innovative point of the present invention
⑴ adopted microencapsulation technology with chicken bone granulation, and complete nutrients matter, the particle outside that granule interior comprises the chicken bone coats xanthan glue-line, lecithin layer, cycloheptaamylose layer and maltodextrin layer successively.
⑵ adopt ultramicro grinding and bio-enzyme engineering technology, makes that chicken bone nutritional labeling in process is not substantially lost, calcareously more easily absorbed, resource utilization is higher, and protein content surpasses 40%, the chicken soup aromatic flavour;
⑶ the microcapsule embedded technology of spray-drying, fluidized granulating wrap anti-oxidation tech, and edible more convenient, shelf-life of product is extended greatly.
2, the technology of the present invention is crucial
⑴ farthest keep nutriment.Adopt ultramicro grinding and bio-enzyme engineering technology to make that chicken bone nutritional labeling in process is not substantially lost, calcareously more easily absorbed, resource utilization is higher, protein content surpasses 40%, the chicken soup aromatic flavour.
⑵ stabilization processes and the fresh-keeping storage of chicken osteotrophy composition.The microcapsule embedded technology of spray-drying, fluidized granulating wrap anti-oxidation tech, vacuumize the controlled atmospheric packing technology of inflation, make product nutritional labeling loss less, edible more convenient, shelf-life extends greatly.
The beneficial effect that adopts technique scheme to produce is: the chicken bone collagen powder of the inventive method preparation, utilize microcapsules technology with chicken bone granulation, granule interior comprises the complete nutrients matter of chicken bone, the particle outside coats xanthan glue-line and lecithin layer successively, this product has long shelf-life, instant, mouthfeel gentleness, aromatic strongly fragrant, the nutrient composition content high of meat, test has arrived state food industry Its Relevant Technology Standards after testing, by trying out of sample, be subject to user's extensive favorable comment, there is no at home other launch on market.
The present invention adopts the techniques such as ultramicro grinding, enzymatic hydrolysis biotechnology and atmospheric cooking, chicken bone nutritional labeling in process of manufacture is not suffered a loss, calcareous content is high, protein content surpasses 40%, produces the bright fragrance road of more strong meat by Maillard reaction.Coordinate the microcapsule embedded technology of high-pressure spray-drying, the fluidized granulating that the present invention sets up to wrap anti-oxidation tech, the fragrance of product and nutritional labeling can farthest be kept, product is edible more convenient, the shelf-life extends greatly.
The present invention has realized the complete utilization of chicken bone, without industrial waste, is conducive to environmental protection, further improves resource utilization and added value of product.
The specific embodiment
Embodiment 1
A kind of preparation method of chicken bone collagen powder comprises the following steps:
⑵ Crushing of Ultrafine: it is 100~150 thin sauce of purpose that chicken carcasses is ground into granularity;
⑵ biological enzymolysis: thin sauce is added reactor, add protease, the addition of protease is the one thousandth of thin sauce weight, carries out enzymolysis, and the temperature of enzymolysis is 50 ℃, and the time of enzymolysis is 2 hours;
⑶ atmospheric cooking extracting: the product after enzymolysis is warming up to 100 ℃ of atmospheric cooking extractings 2 hours;
(4) separation is concentrated: the bone slag in feed liquid after the atmospheric cooking extracting is separated with foreign material, and then being concentrated to Brix is 30%, obtains the chicken bone concentrating liquid;
(5) be in harmonious proportion: take the Maillard reaction fine fodder, Maillard reaction fine fodder and chicken bone concentrating liquid are added in crutcher be in harmonious proportion, the weight ratio of chicken bone concentrating liquid and Maillard reaction fine fodder is 13.2:65;
The Maillard reaction fine fodder is comprised of following material by weight:
Salt 5.2
Glucose 3
D-wood sugar 1.5
Thiamine hydrochloride 1
Cys hydrochloride 3;
(6) Maillard reaction: reaction fine fodder and chicken bone concentrating liquid after step (5) is in harmonious proportion add in reaction pot, and 105 ℃ of reactions obtained the Maillard reaction feed liquid in 2 hours;
(7): take in proportion microcapsule embedded fine fodder, Maillard reaction feed liquid and demineralized water, its weight proportion is, microcapsule embedded fine fodder: Maillard reaction feed liquid: demineralized water=17:700:200;
Microcapsule embedded fine fodder is comprised of following material by weight:
Vitamin E 0.17
Xanthans 0.3
Cycloheptaamylose 5.3
Maltodextrin 11.15;
1/5th of the demineralized water weight that takes is added in reactor, microcapsule embedded fine fodder is added stirring and dissolving in reactor;
Microcapsule embedded fine fodder and remaining demineralized water after dissolving are added the Maillard reaction feed liquid, and reinforced rear rapid stirring is even;
(8) emulsifying homogeneous: open high-speed shearing emulsion machine to without till caking, obtain the good Maillard reaction feed liquid of emulsification;
(9) sterilization: the Maillard reaction feed liquid that step (8) emulsification is good pumps into storage tank after the sterilization in 30 minutes of 97 ℃ of lower mashing offs;
(10) drying: the EAT of setting spray drying tower is 170 ℃, and temperature of outgoing air is 92 ℃, and the negative-pressure operation state is opened the high-pressure emulsification homogenizer, and the described feed liquid spray-drying powder process after step (9) sterilization is obtained chicken bone collagen powder semi-finished product;
(11) granulation: the chicken bone collagen powder semi-finished product of step (10) are carried out drying; Spraying xanthan gum solution after dry; Then the spraying lecithin aqueous solution; The dry cooling chicken bone collagen powder that obtains after spraying lecithin solution;
The xanthans consumption is 0.2% of chicken bone collagen powder semi-manufactured goods quality, and in xanthan gum solution, the mass ratio of xanthans and water is 1:40;
The lecithin consumption is 0.16% of chicken bone collagen powder semi-manufactured goods quality, and in the lecithin aqueous solution, the mass ratio of lecithin and water is 1:40.
Embodiment 2
A kind of preparation method of chicken bone collagen powder comprises the following steps:
⑴ ultramicro grinding: it is 100~150 thin sauce of purpose that chicken carcasses is ground into granularity;
⑵ biological enzymolysis: thin sauce is added reactor, add protease, the addition of protease is the one thousandth of thin sauce weight, carries out enzymolysis, and the temperature of enzymolysis is 52 ℃, and the time of enzymolysis is 2 hours;
⑶ atmospheric cooking extracting: the product after enzymolysis is warming up to 105 ℃ of atmospheric cooking extractings 2 hours;
(4) separation is concentrated: the bone slag in feed liquid after the atmospheric cooking extracting is separated with foreign material, and then being concentrated to Brix is 35%, obtains the chicken bone concentrating liquid;
(5) be in harmonious proportion: take the Maillard reaction fine fodder, Maillard reaction fine fodder and chicken bone concentrating liquid are added in crutcher be in harmonious proportion, the weight ratio of chicken bone concentrating liquid and Maillard reaction fine fodder is 13.3:65;
The Maillard reaction fine fodder is comprised of following material by weight:
Salt 5.3
Glucose 3.1
D-wood sugar 1.6
Thiamine hydrochloride 0.8
Cys hydrochloride 2.9;
(6) Maillard reaction: reaction fine fodder and chicken bone concentrating liquid after step (5) is in harmonious proportion add in reaction pot, and 103 ℃ of reactions obtained the Maillard reaction feed liquid in 2 hours;
(7) allotment: take in proportion microcapsule embedded fine fodder, Maillard reaction feed liquid and demineralized water, its weight proportion is, microcapsule embedded fine fodder: Maillard reaction feed liquid: demineralized water=16.8:700:200;
Microcapsule embedded fine fodder is comprised of following material by weight:
Vitamin E 0.16
Xanthans 0.31
Cycloheptaamylose 5.5
Maltodextrin 11.13;
1/5th of the demineralized water weight that takes is added in reactor, microcapsule embedded fine fodder is added stirring and dissolving in reactor;
Microcapsule embedded fine fodder and remaining demineralized water after dissolving are added the Maillard reaction feed liquid, and reinforced rear rapid stirring is even;
(8) emulsifying homogeneous: open high-speed shearing emulsion machine to without till caking, obtain the good Maillard reaction feed liquid of emulsification;
(9) sterilization: the Maillard reaction feed liquid that step (8) emulsification is good pumps into storage tank after the sterilization in 30 minutes of 95 ℃ of lower mashing offs;
(10) drying: the EAT of setting spray drying tower is 170 ℃, and temperature of outgoing air is 95 ℃, and the negative-pressure operation state is opened the high-pressure emulsification homogenizer, and the described feed liquid spray-drying powder process after step (9) sterilization is obtained chicken bone collagen powder semi-finished product;
(11) granulation: the chicken bone collagen powder semi-finished product of step (10) are carried out drying; Spraying xanthan gum solution after dry; Then the spraying lecithin aqueous solution; The dry cooling chicken bone collagen powder that obtains after spraying lecithin solution;
The xanthans consumption is 0.21% of chicken bone collagen powder semi-manufactured goods quality, and in xanthan gum solution, the mass ratio of xanthans and water is 1:40;
The lecithin consumption is 0.18% of chicken bone collagen powder semi-manufactured goods quality, and in the lecithin aqueous solution, the mass ratio of lecithin and water is 1:40.
Embodiment 3
A kind of preparation method of chicken bone collagen powder comprises the following steps:
⑴ ultramicro grinding: it is 100~150 thin sauce of purpose that chicken carcasses is ground into granularity;
⑵ biological enzymolysis: thin sauce is added reactor, add protease, the addition of protease is the one thousandth of thin sauce weight, carries out enzymolysis, and the temperature of enzymolysis is 48 ℃, and the time of enzymolysis is 2 hours;
⑶ atmospheric cooking extracting: the product after enzymolysis is warming up to 100 ℃ of atmospheric cooking extractings 2 hours;
(4) separation is concentrated: the bone slag in feed liquid after the atmospheric cooking extracting is separated with foreign material, and then being concentrated to Brix is 25%, obtains the chicken bone concentrating liquid;
(5) be in harmonious proportion: take the Maillard reaction fine fodder, Maillard reaction fine fodder and chicken bone concentrating liquid are added in crutcher be in harmonious proportion, the weight ratio of chicken bone concentrating liquid and Maillard reaction fine fodder is 13.1:65;
The Maillard reaction fine fodder is comprised of following material by weight:
Salt 5.1
Glucose 2.9
D-wood sugar 1.4
Thiamine hydrochloride 1.1
Cys hydrochloride 3.1;
(6) Maillard reaction: reaction fine fodder and chicken bone concentrating liquid after step (5) is in harmonious proportion add in reaction pot, and 107 ℃ of reactions obtained the Maillard reaction feed liquid in 2 hours;
(7) allotment: take in proportion microcapsule embedded fine fodder, Maillard reaction feed liquid and demineralized water, its weight proportion is, microcapsule embedded fine fodder: Maillard reaction feed liquid: demineralized water=17.1:700:200;
Microcapsule embedded fine fodder is comprised of following material by weight:
Vitamin E 0.18
Xanthans 0.28
Cycloheptaamylose 5.1
Maltodextrin 11.17;
1/5th of the demineralized water weight that takes is added in reactor, microcapsule embedded fine fodder is added stirring and dissolving in reactor;
Microcapsule embedded fine fodder and remaining demineralized water after dissolving are added the Maillard reaction feed liquid, and reinforced rear rapid stirring is even;
(8) emulsifying homogeneous: open high-speed shearing emulsion machine to without till caking, obtain the good Maillard reaction feed liquid of emulsification;
(9) sterilization: the Maillard reaction feed liquid that step (8) emulsification is good pumps into storage tank after the sterilization in 30 minutes of 98 ℃ of lower mashing offs;
(10) drying: the EAT of setting spray drying tower is 170 ℃, and temperature of outgoing air is 90 ℃, and the negative-pressure operation state is opened the high-pressure emulsification homogenizer, and the described feed liquid spray-drying powder process after step (9) sterilization is obtained chicken bone collagen powder semi-finished product;
(11) granulation: the chicken bone collagen powder semi-finished product of step (10) are carried out drying; Spraying xanthan gum solution after dry; Then the spraying lecithin aqueous solution; The dry cooling chicken bone collagen powder that obtains after spraying lecithin solution;
The xanthans consumption is 0.18% of chicken bone collagen powder semi-manufactured goods quality, and in xanthan gum solution, the mass ratio of xanthans and water is 1:40;
The lecithin consumption is 0.14% of chicken bone collagen powder semi-manufactured goods quality, and in the lecithin aqueous solution, the mass ratio of lecithin and water is 1:40.
Chicken bone collagen powder physical and chemical index testing result and the experimental data of embodiment 1~3 preparation see the following form 1, and microbiological indicator testing result and experimental data see the following form 2, and heavy metal content index testing result and experimental data see the following form 3.
Figure DEST_PATH_IMAGE001

Claims (7)

1. the preparation method of a chicken bone collagen powder is characterized in that: comprise the following steps:
⑴ ultramicro grinding: it is 100~150 thin sauce of purpose that chicken carcasses is ground into granularity;
⑵ biological enzymolysis: described thin sauce is added reactor, add protease, carry out enzymolysis;
⑶ atmospheric cooking extracting: the product after enzymolysis is warming up to 100~105 ℃ of atmospheric cooking extractings 2 hours;
(4) separation is concentrated: the bone slag in feed liquid after the atmospheric cooking extracting is separated with foreign material, and then being concentrated to Brix is 25%~35%, obtains the chicken bone concentrating liquid;
(5) be in harmonious proportion: take the Maillard reaction fine fodder, Maillard reaction fine fodder and chicken bone concentrating liquid are added in crutcher be in harmonious proportion, the weight ratio of chicken bone concentrating liquid and described Maillard reaction fine fodder is 13.1~13.3:65;
Described Maillard reaction fine fodder is comprised of following material by weight:
Salt 5.1~5.3
Glucose 2.9~3.1
D-wood sugar 1.4~1.6
Thiamine hydrochloride 0.8~1.1
Cys hydrochloride 2.9~3.1;
(6) Maillard reaction: described reaction fine fodder and chicken bone concentrating liquid after step (5) is in harmonious proportion add in reaction pot, and 103~107 ℃ of reactions obtained the Maillard reaction feed liquid in 2 hours;
(7) allotment: take in proportion microcapsule embedded fine fodder, Maillard reaction feed liquid and demineralized water, its weight proportion is, microcapsule embedded fine fodder: Maillard reaction feed liquid: demineralized water=16.8~17.1:700:200;
Described microcapsule embedded fine fodder is comprised of following material by weight:
Vitamin E 0.16~0.18
Xanthans 0.28~0.31
Cycloheptaamylose 5.1~5.5
Maltodextrin 11.13~11.17;
1/5th of the demineralized water weight that takes is added in reactor, microcapsule embedded fine fodder is added stirring and dissolving in reactor;
Microcapsule embedded fine fodder and remaining demineralized water after dissolving are added the Maillard reaction feed liquid, stir;
(8) emulsifying homogeneous: open high-speed shearing emulsion machine to without till caking, obtain the good Maillard reaction feed liquid of emulsification;
(9) sterilization;
(10) drying;
(11) granulation: the chicken bone collagen powder semi-finished product of step (10) are carried out drying; Spraying xanthan gum solution after dry; Then the spraying lecithin aqueous solution; The dry cooling chicken bone collagen powder that obtains after spraying lecithin solution;
Described xanthans consumption is 0.18%~0.21% of chicken bone collagen powder semi-manufactured goods quality, and in xanthan gum solution, the mass ratio of xanthans and water is 1:40;
Described lecithin consumption is 0.14%~0.18% of chicken bone collagen powder semi-manufactured goods quality, and in the lecithin aqueous solution, the mass ratio of lecithin and water is 1:40.
2. the preparation method of a kind of chicken bone collagen powder as claimed in claim 1 is characterized in that: step (9) sterilization: the Maillard reaction feed liquid that step (8) emulsification is good pumps into storage tank after the sterilization in 30 minutes of 95~98 ℃ of lower mashing offs.
3. the preparation method of a kind of chicken bone collagen powder as claimed in claim 1, it is characterized in that: step (10) drying: the EAT of setting spray drying tower is 170 ℃, temperature of outgoing air is 90~95 ℃, the negative-pressure operation state, open the high-pressure emulsification homogenizer, the described feed liquid spray-drying powder process after step (9) sterilization is obtained chicken bone collagen powder semi-finished product.
4. the preparation method of a kind of chicken bone collagen powder as claimed in claim 1, it is characterized in that: the described protease of step (2) derives from aspergillus oryzae.
5. the preparation method of a kind of chicken bone collagen powder as claimed in claim 1, it is characterized in that: the addition of the described protease of step (2) is the one thousandth of thin sauce weight.
6. the preparation method of a kind of chicken bone collagen powder as claimed in claim 1 is characterized in that: in step (2), the temperature of enzymolysis is 48~52 ℃, and the time of enzymolysis is 2 hours.
7. the preparation method of a kind of chicken bone collagen powder as claimed in claim 1, it is characterized in that: feed liquid being concentrated into Brix in step (4) is 30%.
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CN103222625A (en) * 2013-05-15 2013-07-31 百岳特生物科技(上海)有限公司 Collagen-containing beauty food composition
CN103918803B (en) * 2013-08-07 2015-05-13 青岛博研达工业技术研究所(普通合伙) Method for clean and high-valued extraction of chicken bones
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