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New silkworm breed breeding method for mass-production of full-natural pure sericin protein

A mass production, protein technology, applied in animal husbandry and other directions, can solve the problems of sericin protein variability, complicated recycling projects, low purity of sericin protein, etc., to promote sustainable development, expand the utilization market, and increase the cocooning rate of sericin Effect

Inactive Publication Date: 2009-04-08
SERICULTURAL RES INST ANHUI ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the sericin protein researched and developed comes from the recovery of silk reeling and refining wastewater, but the recovery project from silk reeling waste liquid is complicated, the pollution is serious, the efficiency is low, and the cost is high; moreover, the recovered sericin protein has low purity and low quality. Sericin protein is easy to denature; the direct application in food, cosmetics, pharmaceuticals and other fields related to the human body has lingering fears

Method used

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Examples

Experimental program
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Embodiment Construction

[0025] A method for breeding new silkworm varieties that produce all-natural pure sericin protein in large quantities:

[0026] 1 material

[0027] 1.1 Sericin silkworm germplasm resources Nd: Introduced from Japan, duality, middle lineage, silkworm body is slender, white spots, weak resistance, many naked pupae, a small amount of thin cocoon shells only synthesize sericin, not silk fibroin mutant species.

[0028] 1.2 The basic variety of distant hybrid silkworm 02S: capture wild silkworms in mulberry gardens, raise them indoors, and mix them. Male and female moths with the same moth development stage mate in a closed and dark plastic box of moderate size, and do not separate eggs to produce seeds. The female moths of wild mulberry silkworm with larger cocoons were selected to mate with the male moths of the silkworm variety 7338, and the special combining ability was used to measure the improvement of economic traits. Green eggs, silkworm dark spots, white blood, and white ...

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PUM

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Abstract

The invention provides a method for selecting and breeding a novel silkworm breed capable of producing a great number of all natural pure sericin proteins, which introduces a special germ plasm resource from Japan, adopts genetic thremmatology to be combined with bioscience, and utilizes a distant hybridization method to breed a silkworm breed with sturdy, disease prevention, high temperature resistance, short breeding period and excellent economic character. The method leads excellent genes of the silkworm breed in the germ plasm resource to breed into an all natural pure sericin silkworm breed with high purity, and provides a novel approach for non spun silk industries to produce all natural pure siricin materials.

Description

Technical field: [0001] The invention belongs to a new method for mass production of new silkworm varieties with high life rate, high sericin cocooning rate, no naked pupa production, and high sericin cocoon layer rate of all-natural pure sericin protein. Background technique: [0002] Cocoon silk is composed of silk fibroin and sericin. The sericin layer covers the periphery of silk fibroin, accounting for about 25% of the mass of the cocoon layer. Except for a small amount of wax, carbohydrates, pigments and inorganic components, the main component is sericin spherical Protein (commonly known as sericin), is a considerable resource available. However, the purpose of traditional sericulture is to use cocoon silk as clothing material to produce silkworm cocoons, make silk and weave silk. In the process of silk making and weaving, only silk fibroin protein is used, and sericin protein is removed in the process of silk reeling and raw silk refining. , and discharged together ...

Claims

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Application Information

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IPC IPC(8): A01K67/04
Inventor 陈复生陈远平鲍先巡魏兆军
Owner SERICULTURAL RES INST ANHUI ACADEMY OF AGRI SCI
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