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KMID : 0379120140420020170
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Korean Journal of Mycology
2014 Volume.42 No. 2 p.170 ~ p.173
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Characteristics of Two Unrecorded Yeasts from Wild Flowers in Ulleungdo, Korea
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Hyun Se-Hee
Min Jin-Hong
Lee Hyang-Burm
Kim Ha-Kun
Lee Jong-Soo
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Abstract
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Two unrecorded yeasts, UL5-1 and UL6-1 were screened from 58 yeasts which were isolated from wild flowers in Ulleungdo in Gyeongsangbuk-do, Korea. The morphological and cultural characteristics of these unrecorded yeasts were investigated. Both yeasts were oval in shape and formed pseudomycelia. UL6-1 formed ascospore, but M. UL5-1 did not. UL6-1 and UL5-1 also grew in vitamin-free medium and 5% NaCl-containing yeast extract-peptone-dextrose medium. The two unrecorded yeasts assimilated glucose, galactose, xylose, cellobiose, trehalose, glycerol and sorbitol, and also fermented glucose, fructose and mannose. The supernatant of both UL5-1 and UL6-1 showed high antihypertensive angiotensin I-converting enzyme inhibitory activity of 84.2% and 82.6%, respectively. Cell-free extract of UL6-1 also showed very high anti-diabeticα-glucosidase inhibitory activity (85.8%).
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KEYWORD
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Characteristics, Ulleungdo, Unrecorded yeasts, Wild flowers
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