Aspergillus+niger+protease
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Through adding some urging growth materials to koji, which mixed by Aspergillus oryzae and Aspergillus niger , this paper studied effect of it on spore number and protease activity.
在米曲霉和黑曲霉混合制曲的曲料中添加促生长物质进行试验，研究其对曲料蛋白酶活力和孢子数的影响。
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