Applied Biological Chemistry

The Korean Society for Applied Biological Chemistry (한국응용생명화학회)
권호 표지

Physiological Characteristics of Acetic Acid Bacteria isolated from Clover from Clover Flower Vinegar

클로버꽃 식초(食醋)에서 분리(分離)한 초산균(醋酸菌)의 생리학적(生理學的) 연구(硏究)

  • Yang, Hee-Cheon (Department of Agricultural Chemistry, College of Agriculture, Jeonbug National University) ;
  • Choi, Dong-Sung (Department of Agricultural Chemistry, College of Agriculture, Jeonbug National University)
  • 양희천 (전북대학교 공과대학 농화학과) ;
  • 최동성 (전북대학교 공과대학 농화학과)
  • Published : 1979.09.30
Download PDF
⟨ Previous Next ⟩

Abstract

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.

클로버꽃 식초(食醋)게서 분리(分離)한 초산균에 대한 생리학적(生理學的) 연구(硏究)를수행하여 다음 결과(結果)를 얻었다. 1. 공시균주(供試菌株)는 No. 1, 3, 5균주(菌株)로 그 생화학적(生化學的) 제성질(諸性質)로 보아 Acetobacter aceti에 속하는 균(菌)으로 볼 수 있으며, 특히 No. 3균(菌)이 초관생성능(生成能)이 우수하였다. 2. $3^{\circ}Bx$ Koji extract 에 yeast extract. 0.15%를 첨가(添加)한 배지(培地)에다 $7^{\circ}Bx$ Koji extract에서 전배양(前培養)한 균(菌)을 접종 배양(培養)했을때 산생성(酸生成) 및 과산화(過酸化) 현상(現象)이 현저하였다. 3. $3^{\circ}Bx$ Koji extract 에 $MgSO_4{\cdot}7H_2O$를 0.005-0.01% 첨가(添加)하였을때 산도(酸度)가 높은 수준으로 유지 되었다. 4. 배지(培地)의 초발최적 pH는 6.0이었다. 5. 단기간(短期間)에 초산의 생성(生成) 및 과산화를 일으키는 ethanol 농도(濃度)로서 는 2-4%가 적합(適合)하였다.

Keywords