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Process for extracting both active embryonic peptide and natural corn oil from embryo bud of corn

A technology of corn germ and active peptides, applied in the direction of peptides, plant peptides, fat production, etc., can solve the problems of waste of resources and other issues, and achieve the effects of less loss, significant economic benefits, and improved quality

Inactive Publication Date: 2003-02-12
徐昌洪
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the processing depth of the germ only utilizes the fat in it, but fails to develop and utilize the protein in the germ, such as a high-quality full-valent protein, various biologically active substances, vitamins, and trace elements, resulting in a waste of resources.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] Embodiments of the invention are:

[0015] (1) The wet germ isolated from corn is directly treated with moist heat without being dried, and heated in 0.005 mole of citric acid buffer at a heating temperature of 80-100°C.

[0016] (2) The germ after the heat and humidity treatment is refined with a 3-stage colloid mill to reach an 80-mesh sieve.

[0017] (3) The slurry is hydrolyzed by a compound enzyme for secondary enzymatic hydrolysis.

[0018] (4) The enzymatic hydrolysis liquid is separated into three phases of pulp, residue and oil by using a three-phase decanter centrifuge, the oil is corn oil, and the fiber is temporarily incorporated into the fibrin feed system of the alcohol factory for processing.

[0019] (5) The slurry is concentrated to 25Bx by nanofiltration membrane and then concentrated to 60Bx by multi-effect plate evaporator.

[0020] (6) The slurry is batched, an emulsifier is added, and it is homogeneously emulsified by a high-pressure homogenizer....

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PUM

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Abstract

A process for preparing the active embryonic peptide with coproduct of corn oil from the embryo bud of corn at the same time includes such steps as wet and thermal pretreating, grinding by colloid mill, multi-stage zymolysis, centrifugal separation to obtain fibres, corn oil and milk, concentrating the milk by nanometre filtering membrane, further concentrating, homogenizing, emulsifying, drying and granulating.

Description

1. Technical field: [0001] The invention relates to a deep processing method of corn germ, in particular to a method for preparing germ active peptide and natural corn oil from corn. 2. Background technology: [0002] At present, the processing and utilization of corn germ at home and abroad is limited to separating the germ in corn, drying it to obtain corn oil through traditional pressing or leaching, and selling the germ cake at a low price as feed after oil extraction. Corn is known as the "golden crop" in the world because of its multi-nutrition, and corn germ is the essence of corn "gold in gold". The fat in the germ mainly exists in the form of glycerol fatty acid, and the unsaturated fatty acid in the fatty acid accounts for more than 86%. The protein in the germ is a full-price high-quality protein, with as many as 18 kinds of amino acids. Among them, the content of essential amino acids for the human body has reached the standard of high-quality protein set by the...

Claims

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Application Information

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IPC IPC(8): C07K1/14C07K4/10C11B1/00
Inventor 徐昌洪薛齐重方家骥
Owner 徐昌洪
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