Method for extracting collagen from Mahi-mahi leftovers

An extraction method and original protein technology, applied in the field of collagen extraction, can solve the problems of high energy consumption and long production cycle, and achieve the effects of reducing environmental pollution, improving extraction efficiency and increasing yield

Inactive Publication Date: 2015-07-15
WENZHOU VOCATIONAL COLLEGE OF SCI & TECH
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Long production cycle an

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[0012] A method for extracting collagen from mahi mahi corner material, the corner material is other materials except fish meat, the extraction steps are as follows: using fish skin, fish bones and fish fins in mahi mahi fish as raw materials, a, using special equipment for the raw materials Crushing; watering the pulverized raw material to make it into a slurry; b, adding acidic materials to the slurry for acid hydrolysis; c, performing ultrasonic treatment on the acid hydrolyzed slurry; d, implementing leaching of the slurry after ultrasonic treatment ; e, filtration; f, desalination; g, freezing; h, drying. The special equipment in step a is a pulverizer; the ratio of water mixed into the pulverized raw material in step b to the pulverized raw material is 3-8:1; the time of ultrasonic treatment in step c is 0.5-3h; the time of leaching is 3 —8h; the acidic material in the step d is citric acid; the filtration in the step e adopts a filter, and the upper grease layer and the...

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Abstract

The invention relates to a method for extracting collagen, and in particular to a method for extracting collagen from Mahi-mahi leftovers. According to the technical scheme, the method for extracting collagen from Mahi-mahi leftovers comprises the following steps: with fish skin, fishbone and fins of Mahi-mahi as raw materials, a, crushing the raw materials with a special device, and mixing the crushed raw materials with water to obtain slurry; b, adding an acidic material to the slurry, and carrying out acidification; c, carrying out ultrasonic treatment on the acidified slurry; d, carrying out digestion on the slurry subjected to ultrasonic treatment; e, filtering; f, desalinating; g, freezing; and h, drying. With adoption of the technical scheme, the provided method for extracting collagen from Mahi-mahi leftovers has the advantages of high material utilization rate, improved product extraction rate as well as little pollution and environmental friendliness in extraction processes.

Description

technical field [0001] The invention relates to a method for extracting collagen, in particular to a method for extracting collagen from mahi mahi corner material. Background technique [0002] Collagen is the protein that constitutes collagen fibers and is used to form the supporting tissues and joint tissues of animals. It mainly exists in animal skin, bone, cartilage, blood vessels, tendons, etc., and fish scales, fins, swim bladders, etc. also contain collagen . [0003] The collagen content in fish skin is relatively high, which can account for more than 80% of its total protein, which is much higher than other parts of the fish body. However, parts such as fish skin, fish phosphorus and fish fins are often used as waste of processed products during processing, and the utilization degree is not high. There are many literatures about the extraction of collagen from fish skin at home and abroad, and there are many types of fish involved. In general, there are mainly ac...

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Application Information

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IPC IPC(8): C07K14/78C07K1/14
CPCC07K14/78
Inventor 李彦坡徐静林胜利
Owner WENZHOU VOCATIONAL COLLEGE OF SCI & TECH
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