Preservation method of microbial cells and suspension of microbial cells

A technology of microorganisms and preservation methods, applied in microorganism-based methods, biochemical equipment and methods, microorganisms, etc., can solve problems such as loss or reduction of microbial enzyme catalytic ability, and achieve the effect of reducing labor and cost
CN102010826BActive Publication Date: 2016-03-16MITSUBISHI CHEM CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
MITSUBISHI CHEM CORP
Publication Date
2016-03-16

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Abstract

The present invention provides a cheap and simple microbe for replacing that of the prior art, and a preserving method thereof. The invention relates to the preserving method of microbe and is characterized in that: the microbes with nitrile hydratase activity are dispersed in a dispersion medium with a concentration that the mass of dry microbe is 4-20wt%.
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Description

technical field

[0001] The present invention relates to a method for stably preserving microbial cells having nitrile hydratase activity in a cell suspension at a predetermined concentration. In addition, the present invention also relates to a cell suspension containing microbial cells having nitrile hydratase activity at a predetermined concentration. Background technique

[0002] Enzymes produced by microorganisms are often used as enzymes for chemical conversion reactions. In particular, amides, carboxylic acids, α-hydroxycarboxylic acids, etc., which are important in the chemical industry, can be produced inexpensively by using nitrile hydratase, nitrilase, etc. which have hydration or hydrolysis of nitrile groups. In addition, optically active carboxylic acids, amino acids, α-hydroxycarboxylic acids, etc., which are important raw materials for the production of medicines and agricultural chemicals, can also be produced by using the above-mentioned enzymes having optic...

Claims

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