Dextransucrase Activity of Leuconostoc sp. Strains Isolated from Kimchi

Young-Sook  Hahn; Ji-Young  Oh

Microbiol. Biotechnol. Lett. 1999; 27(1): 86-89

김치에서 분리한 Leuconostoc 속 균주들이 생산하는 Dextransucrase의 활성

Dextransucrase Activity of Leuconostoc sp. Strains Isolated from Kimchi

Young-Sook Hahn and Ji-Young Oh

Department of Food and Nutrition, Sungshin Women's University, ¹Department of Food and Nutrition, Sungshin Women's University

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Abstract

The liquid of ripened Kimchi was spread on phenylethylalcohol sucrose medium and incubated at 20$^{circ}C$ for 2 days in order to isolate Leuconostoc sp. strains. Twenty isolated colonies were identified as Leuconostoc sp. strains from sugar fermentation test. Dextransucrase activities of the isolated strains were determined and the strain J-2 showed highest activity. The morphological, cultural and physiological studies on these 5 strains showed that gram(+), spores(-), motility(-) and produced gas from glucose, acid in Whittenbury C. Only Y-1 strain produced ammonia from arginine.

Keywords: dextransucrase, Leuconostoc sp., Kimchi

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eISSN 2234-7305
pISSN 1598-642X

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Hahn YS, Oh JY. Dextransucrase Activity of Leuconostoc sp. Strains Isolated from Kimchi. Microbiol. Biotechnol. Lett 1999;27:86-89.

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김치에서 분리한 Leuconostoc 속 균주들이 생산하는 Dextransucrase의 활성