초록

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Abstract ▼ AI-Helper

Physiological characteristics of the acetic acid bacteria isolated from the clover flower vinegar were studied and the results were summarized as follows. 1. The strains No. 1, 3, 5 were employed. By their biochemical properties observed, they seemed to belong to Acetobacter aceti. Particluarly, the...

Physiological characteristics of the acetic acid bacteria isolated from the clover flower vinegar were studied and the results were summarized as follows. 1. The strains No. 1, 3, 5 were employed. By their biochemical properties observed, they seemed to belong to Acetobacter aceti. Particluarly, the strain No. 3 had the highest productivity of acetic acid. 2, When the acetic acid bacteria preincubated in $7^{\circ}Bx$ Koji extract was inoculated to $3^{\circ}Bx$ Koji extract added 0.15% yeast extract the productivity and peroxidation of acetic acid increased considerably. 3. $3^{\circ}Bx$ Koji extract added 0.005 to 0.01% of $MgSO_4{\cdot}7H_2O$ was good in the maintenance of high concentration of acetic acid. 4. Initial optimum pH of media was 6.0. 5. 2 to 4% of ethanol concentration brought a good result of the productivity and peroxidation of acetic acid in short terms.