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Clean production process for simultaneously extracting lipid and collagen from animal fat tissues

A technology of animal fat and collagen, which is applied in the production of fat oil/fat, animal/human protein, and fat production, etc. It can solve the problems of bearish price, never pay attention to the development and utilization of connective tissue, and the poor sales situation, so as to improve the utilization degree, increased utilization value, and the effect of increased effective utilization

Inactive Publication Date: 2015-04-22
JIANGNAN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because animal fat contains more saturated fatty acids and cholesterol, excessive consumption can easily lead to high blood pressure, arteriosclerosis, coronary heart disease, hyperlipidemia and cerebrovascular accidents, which is not good for the human body, so fatty meat is becoming less and less popular among consumers , the sales situation is not good, and the price is bearish, which has affected the overall benefits of slaughtering and processing enterprises. It is necessary to explore, research and establish new processing and utilization ideas and processing techniques to increase the added value of animal fat tissue
[0003] The current methods for extracting animal fat from animal adipose tissue include fire refining, low-temperature wet method and high-temperature wet method. All these processing techniques are only for the purpose of extracting animal fat, and have never focused on the connective tissue in animal fat tissue. development and utilization of

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0016] Put 3000g of pig fat into the extractor, add 1000ml of a mixed solvent consisting of 2mol / L sodium hydroxide and 96% (v / v) aqueous ethanol in a ratio of 1:1, soak at 60°C for 10h, Pig fat is completely melted and layered, the upper layer is lard, and the lower layer is collagen liquid.

[0017] After the upper layer of lard was collected and cooled, 1680g of white lard was obtained. After testing, all indicators reached the national first-class lard standard.

[0018] Collect the collagen solution in the lower layer, neutralize it with hydrochloric acid to pH = 6.8, put it on a rotary evaporator, recover the alcohol at 60°C and 1kPa until the volume of the remaining liquid is 1500ml, put it into a dialysis bag and dialyze it against running tap water for 48 hours, and then put it on a rotary evaporator Concentrate to 1000ml on an evaporator at 60°C and 1kPa, place in a vacuum oven, dry at 60°C and 1kPa for 24 hours, and pulverize to obtain 840g of collagen powder. Afte...

example 2

[0020] Add 1500g of chicken adipose tissue into a large beaker, add 1000ml of neutral protease aqueous solution (containing 500,000 units of neutral protease), soak for 12 hours at 50°C, the chicken fat tissue will completely dissolve and separate layers, the upper layer is chicken oil, and the lower layer is collagen egg whites.

[0021] After the upper layer of chicken fat is collected and cooled, 1200g of chicken fat is obtained. After testing, each index reaches the national chicken fat standard.

[0022] The collagen liquid in the lower layer was collected, placed on a rotary evaporator, concentrated to 300ml at 60°C and 1kPa, and spray-dried directly to obtain 50g of collagen powder. After testing, the protein content has reached more than 90%, which can be sold as collagen.

example 3

[0024] Put 800g of otter subcutaneous fat into a beaker, add 100ml of papain aqueous solution (containing 100,000 units of papain), soak at 40°C for 8 hours, the subcutaneous fat tissue is completely dissolved and separated, the upper layer is otter oil, and the lower layer is collagen solution.

[0025] After the upper layer of otter oil is collected and cooled, 600 g of otter oil is obtained. After testing, each index reaches the otter oil standard stipulated by the state.

[0026] The collagen liquid in the lower layer was collected, placed on a rotary evaporator, concentrated to 180ml at 60°C and 1kPa, placed in a vacuum oven, dried at 60°C and 1kPa for 24 hours, and crushed to obtain 40g of collagen powder. After testing, the protein content has reached more than 90%, which can be sold as collagen.

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Abstract

The invention belongs to the technical field of livestock and poultry processing, and in particular relates to a clean production process for simultaneously extracting lipid and collagen from animal fat tissues. The clean production process provided by the invention is simple, convenient and efficient, is low in cost and high in added value and is used for processing and utilizing the animal fat tissues, and by using the process, collagen can be industrially extracted from the animal fat tissues on a large scale, and animal fat can be obtained at the same time. Compared with the prior art, by using the process provided by the invention, the animal fat tissues are used as a raw material for extracting collagen, high-quality collagen and animal fat can be obtained on the premise that wastewater is not generated, green and clean utilization of the animal fat tissues are realized, a big pollutant source of the livestock and poultry processing industry is eliminated, and meanwhile, the added value of the animal fat tissues is also greatly improved, so that the clean production process has a wide application prospect in the field of livestock and poultry processing.

Description

technical field [0001] The invention belongs to the technical field of livestock and poultry processing, in particular to a clean production process for simultaneously extracting lipid and collagen from animal adipose tissue. Background technique [0002] With the continuous expansion of the breeding industry in my country, animal adipose tissue has become a resource available for processing and utilization from animal sources. Because animal fat contains more saturated fatty acids and cholesterol, excessive consumption can easily lead to high blood pressure, arteriosclerosis, coronary heart disease, hyperlipidemia and cerebrovascular accidents, which is not good for the human body, so fatty meat is becoming less and less popular among consumers , the sales situation is not good, and the price is bearish, which has affected the overall benefits of slaughtering and processing enterprises. It is necessary to explore, research and establish new processing and utilization ideas ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/02C11B1/00C12P21/06C07K14/78C07K1/14
CPCC11B1/02C07K14/78C11B1/00C11B1/025C12P21/06
Inventor 汤鲁宏庄振超
Owner JIANGNAN UNIV
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