Tetramethylpyrazine bacillus amyloliquefaciens, and applications of sesame-flavor baijiu special-purpose mouldy bran

Abstract

The invention discloses a tetramethylpyrazine bacillus amyloliquefaciens, and applications of a sesame-flavor baijiu special-purpose mouldy bran. The tetramethylpyrazine sesame-flavor baijiu special-purpose mouldy bran is obtained using tetramethylpyrazine bacillus amyloliquefaciens XJB-104 strain via following steps: preparation of a primary seed solution, preparation of a secondary seed solution, bran solid state culture medium fermentation, and aeration-drying of an obtained matured mouldy bran material. The obtained tetramethylpyrazine sesame-flavor baijiu special-purpose mouldy bran is bright in color, is dark brown, possesses typical smell, and slight ammonia smell, and is beneficial for improvement of the quality of sesame-flavor baijiu; and the tetramethylpyrazine content is higher than 380mg / kg.

Description

technical field

[0001] The invention belongs to the technical field of brewing engineering, and in particular relates to tetramethylpyrazine bacillus amyloliquefaciens and its use in preparing sesame-flavored liquor special-purpose bran koji. Background technique

[0002] According to the "Pharmacopoeia", tetramethylpyrazine, also known as tetracycline, is a heterocyclic, nitrogen-containing colorless crystal compound, which was first isolated and extracted from the rhizome of the Chinese herbal medicine Chuanxiong. Conventional medicines for diseases. According to China's "China Brewing" (2007 Issue 10, pages 60-61) and "Brewing Technology" (2012 Issue 3, pages 17-22), the content of tetramethylpyrazine in sesame-flavored liquor is relatively high , it not only makes an important contribution to the flavor of sesame-flavored liquor, but also endows sesame-flavored liquor with health benefits. Increasing the content of tetramethylpyrazine in sesame-flavored liquor is benefi...

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