Isolation and Characterization of An Alcohol Fermentation Strain from Anaerobic Acid Fermentor to Treat Food Wastes
2006
Kim, J.K. (Chosun University, Gwangju, Republic of Korea) | Han, G.H. (Chosun University, Gwangju, Republic of Korea) | Yoo, J.C. (Chosun University, Gwangju, Republic of Korea) | Seong, C.N. (Sunchon National University, Sunchon, Republic of Korea) | Kim, S.J. (Chonnam National University, Gwangju, Republic of Korea) | Kim, S.W. (Chosun University, Gwangju, Republic of Korea), E-mail: swkim@chosun.ac.kr
An efficient pilot scale (10 ton) three-stage methane fermentation system to digest food waste has been developed in this laboratory. This system consisted of three stages: semianaerobic hydrolysis, anaerobic acidogenesis and strictly anaerobic methanogenesis. From the secondary acidogenesis reactor, a novel strain KA4 responsible for alcohol fermentation was isolated and characterized. The cell was oval and its dimension was 5.5-6.5 × 3.5-4.5 ㎛. This strain was identified as Saccharomyces cerevisiae KA4 by 26S rDNA D1/D2 rDNA sequence.
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