Bacillus spp strain and application thereof in ramie degumming

The application of Bacillus subtilis strain PQ-1 in ramie degumming has solved the problem of unstable strains in existing technologies, achieving efficient and environmentally friendly ramie degumming, improving degumming efficiency and maintaining fiber quality.

CN122104534AActive Publication Date: 2026-05-29YICHUN UNIVERSITY
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Patent Information

Application Number
CN202610525314.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-21
Publication Date
2026-05-29
Estimated Expiration
2046-04-21

AI Technical Summary

Technical Problem

Existing biological degumming technologies lack efficient and stable strains for ramie processing, resulting in high costs and severe environmental pollution associated with enzymatic degumming. The application of thermophilic microorganisms in ramie degumming has not been reported.

Method used

The Bacillus spp. strain PQ-1 was used to culture ramie in a fermentation medium and applied to degumming to produce heat-resistant xylanase, pectinase and mannanase for high-temperature degumming reaction.

Benefits of technology

It improves the degumming efficiency of ramie, maintains fiber quality, reduces environmental pollution, and provides a new biological degumming pathway.

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Abstract

The invention relates to a Bacillus spp. Strain and an application thereof in ramie degumming, the strain is preserved in Guangdong Microbial Culture Collection Center on September 15, 2025, and the preservation number is GDMCC NO: 66966. When the degumming agent is applied to ramie degumming, degumming reaction can be carried out at a high temperature, the ramie degumming efficiency is effectively improved, meanwhile, fibers are not damaged, the quality of the fibers is improved, and the degumming agent has a high application value in ramie degumming.
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