The Breeding of the Rennet High-producing Strain from Bacillus subtilis and Studies on Conditions for Microwave Irradiation

Mei Lin; Chen Fang; Kan Rui; Xu Peng

doi:10.13995/j.cnki.11-1802/ts.2012.10.015

2012 , Vol. 38 >Issue 10: 120 - 122

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.2012.10.015

Food and Fermentation Industries

The Breeding of the Rennet High-producing Strain from Bacillus subtilis and Studies on Conditions for Microwave Irradiation

Mei Lin ,
Chen Fang ,
Kan Rui ,
Xu Peng

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Online published: 2012-10-25

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Abstract

After the strain of Bacillus subtilis was treated with Microwave Irradiation,a high rennet activity strain was obtained.Rennet activity produced by BsB1.1 reached 516.12U/g,which was increased by 29% compared with original strain.The tests of microwave irradiation conditions showed that the optimal time was 4min and the optimal power was 450 W.

Key words： Bacillus subtilis; chymosin; microwave irradiation; microwave irradiation conditions

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Mei Lin , Chen Fang , Kan Rui , Xu Peng . The Breeding of the Rennet High-producing Strain from Bacillus subtilis and Studies on Conditions for Microwave Irradiation[J]. Food and Fermentation Industries, 2012 , 38(10) : 120 -122 . DOI: 10.13995/j.cnki.11-1802/ts.2012.10.015

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