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Method for degreasing pigskin with supercritical CO2 extraction technique

An extraction technology, a supercritical technology, is applied in the field of degreasing pigskin using supercritical CO2 extraction technology, which can solve the problems of collagen loss, long processing time, environmental pollution, etc., and achieve effective degreasing, high degreasing efficiency, and economical increase benefit effect

Inactive Publication Date: 2016-12-21
张玉斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The currently used degreasing methods mainly include pressing method, emulsification method, enzymatic method, saponification method, organic solvent extraction method, etc. Although these methods have been developed and mature, they have low degreasing rate, long processing time, high cost, cumbersome operation, and environmental pollution. , collagen loss or denaturation and other defects

Method used

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  • Method for degreasing pigskin with supercritical CO2 extraction technique
  • Method for degreasing pigskin with supercritical CO2 extraction technique
  • Method for degreasing pigskin with supercritical CO2 extraction technique

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experiment example

[0025] 1. Experimental materials and experimental methods

[0026] 1.1 Materials

[0027] Fresh pigskin was purchased from Taohai Market, Anning District, Lanzhou City, Gansu Province, and placed in a -20°C refrigerator. Before the experiment, it was taken out from the refrigerator and crushed manually with the aid of a crusher.

[0028] 1.2 Instruments and reagents

[0029] 1.2.1 Instruments

[0030] Supercritical CO 2 Fluid extraction device (HA121-50-01 type, Jiangsu Nantong Huaan Company), oven, electric heating constant temperature drying oven, dryer: with effective desiccant, nitrogen distillation device, digestion furnace, Soxhlet extractor (condensing tube, Extraction tube, round bottom flask), iron stand, analytical balance (sensitivity 0.0001g), electronic balance (Shanghai Youke Instrument Co., Ltd.), filter paper, string, mortar, petri dish, yarn gloves, electric heating constant temperature Water bath (HHS-11-4 type), vacuum packaging machine (17Z-260 type, S...

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Abstract

The invention provides a method for degreasing pigskin with a supercritical CO2 extraction technique. The method comprises steps as follows: firstly, fresh pigskin is crushed; and then extraction treatment is performed on the treated pigskin by using CO2 as a supercritical fluid at the temperature ranging from 35 DEG C to 45 DEG C and under the pressure ranging from 35 MPa to 45 MPa with the supercritical extraction technique. With the method, grease in the pigskin is removed with the supercritical CO2 method, the degreasing limitation of a traditional method is broken through, the simple, efficient and environment-friendly extraction purpose is achieved, the cost is saved, and the economic benefit is increased. The whole process is easy to regulate and control due to the mildness of the supercritical CO2 condition, an experimental project meets the efficient degreasing development tendency, the characteristic is obvious, and the feasibility is high.

Description

technical field [0001] The invention relates to a method for degreasing treatment from animal hides, in particular to a method using supercritical CO 2 Extraction technique method for degreasing pigskin. Background technique [0002] Collagen is an extracellular matrix, a structural protein, and the main component of connective tissues or organs such as skin, ligaments, cartilage, and muscle bonds. Because of its unique amino acid composition and structure, it can prevent cardiovascular disease, improve immune function, inhibit cancer cells, activate cell function, supplement human calcium, enhance the water storage capacity of skin tissue cells, and prevent skin aging. It is widely used Used in medical, health care, beauty and food and other fields. [0003] Extracting collagen from animal skin and bone is a research hotspot in recent years. Most of the raw materials used for extraction are cowhide and pigskin. my country is the largest pork production and consumption co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C14C1/08C14C5/00
CPCC14C1/08C14C5/00
Inventor 张玉斌王友玲余群力郭兆斌刘金鑫
Owner 张玉斌
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