Method for preparing small-molecule collagen polypeptide powder by using poultry skin and application of small-molecule collagen polypeptide powder in fruit juice beverage

A technology of collagen polypeptide and collagen, which is applied in the field of small molecule collagen polypeptide fruit juice drink and its processing, can solve the problem of bitter taste of the beverage, and achieve the effects of easy absorption, strong biological activity, and maintaining skin elasticity

Active Publication Date: 2013-04-17
JIANGNAN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In 2009, Liang Yongjun et al. used trypsin to extract collagen peptides from tilapia skin and studied their physical and chemical properties; Collagen peptides were extracted from fish scales; in 2011, Meng Changwei used alkaline protease and flavor protease to extract collagen peptides from catfish bones, and the flavor of collagen peptides was improved; however, it is understood that most of the raw materials for extracting collagen peptides are from fish , and the extraction of collagen from poultry-derived animals is rarely reported
Lao Zhuochang (publication number CN102028291 A) provides a collagen drink that uses collagen as a raw material and is mixed with a very appropriate amount of food additives in purified water or mineral water. It has a bitter taste, so the beverage produced by the method will have a bitter taste

Method used

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  • Method for preparing small-molecule collagen polypeptide powder by using poultry skin and application of small-molecule collagen polypeptide powder in fruit juice beverage
  • Method for preparing small-molecule collagen polypeptide powder by using poultry skin and application of small-molecule collagen polypeptide powder in fruit juice beverage
  • Method for preparing small-molecule collagen polypeptide powder by using poultry skin and application of small-molecule collagen polypeptide powder in fruit juice beverage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Example 1: Preparation of small molecule collagen polypeptide from chicken skin and its uniform dispersion method in orange juice drink

[0040] (1) Take 100 kg of chicken skin and clean it up (≤1cm) to obtain clean raw materials, and then add it to a 10% salt solution (material-to-liquid mass ratio 1:10), and stir and extract at room temperature for 12 hours.

[0041] (2) After washing the chicken skin treated according to (1) several times, add water according to the material-to-liquid ratio of 1:10, add 1000 g of lipase and carry out agitation and degreasing treatment for 8 hours at a temperature of 35°C.

[0042] (3) Wash the chicken skin after degreasing treatment several times, add 10% ethanol according to the material-to-liquid ratio of 1:10, adjust the pH to 7, add 800g according to the mass ratio of papain: complex protease 1:1, and hydrolyze at 45°C for 3h , The hydrolyzed solution is inactivated at 85°C and filtered to obtain a molecular weight of 2000-5000 Dalton (...

Embodiment 2

[0045] Example 2: Preparation of small molecule collagen polypeptide from duck skin and its uniform dispersion method in grapefruit juice drink

[0046] (1) Take 100 kg of duck skin and clean it up (≤1cm) to obtain clean raw materials, then add it to a 5% salt solution (material-to-liquid ratio 1:50), and stir and extract at room temperature for 24 hours.

[0047] (2) After washing the duck skin treated according to (1) several times, add water according to the material-to-liquid ratio of 1:50, add 1200g of lipase, and carry out agitation and degreasing treatment for 12h at a temperature of 45°C.

[0048] (3) Clean the fat-removing material several times, add 20% ethanol according to the material-liquid ratio 1:50, adjust the pH to 7.5, add 1000g according to papain: compound protease=2:1, hydrolyze at 50℃ for 3.5h, The hydrolyzed solution is inactivated at 85°C and filtered to obtain a collagen polypeptide solution with a molecular weight of 2000-5000 Dalton.

[0049] (4) Drying and ...

Embodiment 3

[0051] Example 3: Preparation of small molecule collagen polypeptide from goose skin and its uniform dispersion method in apple juice drink

[0052] (1) Take 100 kg of goose skin and wash it into pieces (≤1cm) to obtain clean raw materials, then add it to 8% salt solution (material-to-liquid ratio 1:25), and stir and extract at room temperature for 24 hours.

[0053] (2) After washing the goose skin treated according to (1) several times, add water according to the material-to-liquid ratio of 1:25, and perform agitation and degreasing treatment with 800g of lipase for 12h. The temperature is 45°C.

[0054] (3) Clean the fat-removing material several times, add 30% ethanol according to the material-to-liquid ratio of 1:25, adjust the pH to 6.5, add 900g according to papain: compound protease=1:2, hydrolyze at 55℃ for 4h, and hydrolyze The latter solution is enzyme-inactivated at 85°C and filtered to obtain a collagen polypeptide solution with a molecular weight of 2000-5000 Dalton.

...

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Abstract

The invention relates to a method for preparing small-molecule collagen polypeptide powder by using poultry skins and application of the small-molecule collagen polypeptide powder in fruit juice beverage, belonging to the technical field of food processing. The method comprises the steps of: preparing poultry skin raw materials, removing other proteins, removing fat, conducting enzymolysis in an alcohol-soluble system and drying and removing alcohol to obtain collagen polypeptide powder. The prepared fruit juice beverage comprises the following components in parts by weight: 0.05-0.1 part of collagen polypeptide powder, 35-50 parts of raw fruit juice, 2-5 parts of raw lemon juice, 6-8 parts of white granulated sugar, 0.08-0.20 part of Arabic gum, 0.01-0.04 part of sodium carboxymethylcellulose, 0.01-0.05 part of potassium sorbate and 100 parts of purified water. After raw materials are put, full agitation, ultrasonic homogenization, filling, sealing, sterilization and packaging are conducted to obtain the fruit juice beverage with concentration of collagen polypeptide being 0.5-1.0g / L. The fruit juice beverage is rich in vitamins such as vitamin C (VC) and vitamin E (VE), various trace elements and collagen polypeptides which have a beautifying effect. The fruit juice beverage has the advantages of scientific formula, rich nutrient and moderate sour and sweet taste; and the preparation method has the advantages of reasonable process, simplicity in operation and shorter production period, and is suitable for industrial production.

Description

Technical field [0001] A method for preparing small-molecule collagen polypeptide powder from poultry skin and uniformly dispersing it in a fruit juice drink, in particular to a small-molecule collagen polypeptide fruit juice drink and a processing method thereof, belongs to the technical field of food processing. Background technique [0002] Collagen is the most abundant and widely distributed protein in mammals. Its application fields include biomedical materials, cosmetics, and food industry. For the human body, the role of collagen can be said to be unquestionable, whether it is for beauty care or life health, collagen plays an important role. However, studies now show that a large number of amino acids are absorbed in the form of peptides, which help the intestinal absorption. When the amino acid transport system is malfunctioning, the intake of peptides can achieve good absorption. Experiments show that the absorption rate of collagen peptides is between 95%-100%, and th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23J3/04A23J3/34A23L2/02A23L1/09A23L2/56A23L2/66
Inventor 张慜曾庆冉陈世豪陈志雄刘亚萍
Owner JIANGNAN UNIV
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