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A kind of animal oil extraction method

An extraction method and animal oil technology, which are applied in the production of fat oil/fat, separation of fat oil/fat, and fat generation, etc., can solve the problems of easy residual solvent, affecting the quality of extracted fat, and inability of further efficient utilization of nutrients, so as to retain protein activity. , to solve the effect of protein inactivation

Active Publication Date: 2021-09-17
OCEAN UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cooking method cannot separate the fat combined with protein, so the extraction rate is relatively low, and the extraction temperature is generally around 90°C, which affects the quality of the extracted fat
[0006] After the oil is extracted by light alkali hydrolysis, other nutrients cannot be further efficiently utilized, resulting in a lot of waste
[0007] The pressing method first requires high-temperature drying, so the quality of the produced animal oil is poor (the active lipid components are severely damaged), and the extraction rate is low
The solvent method consumes a large amount of organic solvent, and the solvent is easy to remain in the product
[0008] Enzymatic hydrolysis is to use protease to hydrolyze protein, so that the oil combined with protein is fully free, but the cost of enzyme is relatively high

Method used

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  • A kind of animal oil extraction method
  • A kind of animal oil extraction method
  • A kind of animal oil extraction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] figure 1 It is a flow chart of an animal oil extraction method provided in Embodiment 1 of the present invention. This embodiment is applicable to oil extraction. The method can be performed by an animal oil extraction device, and specifically includes the following steps:

[0033] Step 110, crushing and homogenizing fat-rich animal raw materials to obtain animal raw material slurry.

[0034] Among them, fat-rich animal raw materials refer to animal raw materials rich in fat, such as fatty pork, fatty beef, fatty lamb, squid, abalone, and mackerel. Certainly not limited to the listed animal raw materials, other fat-rich animal raw materials can also be extracted using the method provided by the present invention.

[0035] Specifically, fresh fat-rich animal raw materials are washed, crushed and homogenized with a tissue masher to obtain animal raw material slurry. Animal raw material slurry is a very stable slurry material that is mixed with animal oil, protein and ot...

Embodiment 2

[0048] image 3 It is a flow chart of an animal oil extraction method provided in Embodiment 2 of the present invention. This embodiment is further refined on the basis of the above embodiments, and specifically includes the following steps:

[0049] Step 210, crushing and homogenizing fat-rich animal raw materials to obtain animal raw material slurry.

[0050] Step 220, freezing and thawing the animal raw material slurry at least once.

[0051] Among them, the animal raw material slurry is a very stable slurry material formed by mixing animal oil, protein and other components. Freeze-thawing is the process of freezing and then thawing. Repeated freezing and thawing before power-on is conducive to the increase of oil extraction rate.

[0052] Optionally, when the animal raw material slurry is frozen and thawed, the freezing temperature is -50 to -4°C, preferably -45 to -30°C.

[0053]Exemplarily, the animal raw material slurry obtained after crushing and homogenizing is di...

Embodiment 3

[0064] Figure 4 It is a flow chart of an animal oil extraction method provided by Embodiment 3 of the present invention. This embodiment is further refined on the basis of the above embodiments, and specifically includes the following steps:

[0065] Step 310, crushing and homogenizing fat-rich animal raw materials to obtain animal raw material slurry.

[0066] Optionally, the fat-rich animal raw material is a fat-rich aquatic animal raw material.

[0067] Optionally, the fat-rich aquatic animal raw material is fat-rich aquatic animal viscera or fat-rich aquatic animal meat.

[0068] Among them, fat-rich animal raw materials are mainly concentrated in animal viscera or animal meat, and some are concentrated in animal heads. If the fat-rich animal raw materials are fat-rich aquatic animal raw materials, such as squid and abalone, the main oil is distributed in the viscera, and the main oil of mackerel is distributed in the head.

[0069] Step 320, treating the animal raw ma...

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Abstract

The invention discloses a method for extracting animal oil. The method comprises the steps of crushing and homogenizing fat-rich animal raw materials to obtain animal raw material slurry; treating the animal raw material slurry through a low-voltage direct current electric field to obtain a treatment liquid; centrifuging the treatment liquid to separate and obtain animal oil, so as to achieve protein and The technical effect of breaking the emulsification and retaining the protein activity of the stable system mixed with lipid substances.

Description

technical field [0001] The embodiment of the present invention relates to oil extraction technology, in particular to an animal oil extraction method. Background technique [0002] Tallow is fat obtained from the body of animals. It can be divided into fats and oils of terrestrial warm-blooded animals and poultry, such as butter, suet, lard, etc., which are generally solid, and its main components are triglycerides of palmitic acid and stearic acid; marine mammals and fish oils such as whale oil, fish oil, etc. It is generally liquid, and the main components include myristic acid, palmitic acid, stearic acid, and oleic acid, as well as unsaturated acids with 22 to 24 carbons and 4 to 6 double bonds and unsaturated acids with 10 to 14 carbons. unsaturated acid. Animal fats are mainly used for food, such as lard, tallow, suet and so on. It is also widely used in the manufacture of hardened oil, soap, glycerin, lubricating oil and tanning industry and pharmaceuticals; fish ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/02C11B1/06C11B7/00
CPCC11B1/02C11B1/06C11B7/00
Inventor 齐祥明郭彦玲黄文灿毛相朝
Owner OCEAN UNIV OF CHINA
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