[Objective]To determine the content of total acid,amino nitrogen and crude protein in Bacillus subtilis fermentation products.[Method]The titration and micro-kjeldahl method were used to determine the content of total acid,amino nitrogen and crude protein in Bacillus subtilis fermentation products.[Result]Total acid content in the fermentation products of a marked increased in the ferment middle,slow decline in the latter;amino nitrogen content continued to increase;the crude protein content fall off gradua...
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