Bacillus subtilis MD1312 and application thereof

By producing aroma components during feather degradation, Bacillus subtilis MD1312 solves the environmental pollution and nitrogen and thio loss problems during microbial fermentation and production of feather powder protein feed, achieving efficient degradation and improving nutritional value.

CN119242491APending Publication Date: 2025-01-03HEBEI AGRICULTURAL UNIV.
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Patent Information

Application Number
CN202411329261.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-01-03

AI Technical Summary

Technical Problem

The prior art has problems of environmental pollution and loss of nitrogen and thio during microbial fermentation and production of feather powder protein feed, resulting in low air pollution and nutritional value.

Method used

Bacillus subtilis MD1312 was used for feather degradation. This strain produced aroma components during the degradation process, significantly reducing the production of ammonia and hydrogen sulfide, and improving the degradation rate and nutritional value.

Benefits of technology

Bacillus subtilis MD1312 can effectively degrade feathers, with a degradation rate of 88.2%. The aroma components produced are low in sulfur and nitrogen, which significantly reduces air pollution and nitrogen loss, and improves the environmental protection level of the fermentation process and the nutritional value of the feed.

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Abstract

The invention discloses a strain of bacillus subtilis MD1312, which is preserved in China General Microbiological Culture Collection Center (CGMCC) on October 17, 2023, and the preservation number is CGMCC No.28640. The invention also discloses a method for preparing the bacillus subtilis MD1312. The feather degradation rate of the bacillus subtilis MD1312 reaches 88.2%, aroma substances are generated, the main components of the bacillus subtilis MD1312 comprise butyl butyrate, 1-octylene-3-ketone, 2-methylbutyric acid, 2-furfuryl alcohol, furfural, 2-methyl-1-butanol, 4-methyl-2-pentanol, methyl isovalerate and 2-acetylpyrazine, little ammonia gas and hydrogen sulfide gas are generated, and the bacillus subtilis MD1312 can be used for degrading feather, so that the feather degradation rate of the bacillus subtilis MD1312 is greatly improved. Moreover, the volatile molecules contain very low amounts of sulfur and nitrogen elements, so that environmental pollution and nitrogen loss can be reduced.
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Citation Information

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