남덕유산 월성계곡과 대전광역시 진잠천주변 등으로부터 선발된 국내 미기록 야생효모들의 균학적 특성과 주요 효소활성 및 생리활성

• Published in: Hangug gynnhaghoi ji Vol. 51; no. 1; pp. 39 - 49
• Main Authors: 문정수, Jeong-su Moon, 안민영, Min-young An, 박맑음, Mal-geum Park, 이종수, Jong-soo Lee
• Format: Journal Article
• Language: Korean
• Published: 한국균학회 01.04.2023
• Subjects: Enzyme activity; Microbiological characteristics; Physiological functionality; Unrecorded wild yeasts; 생물학; Unrecorded wild yeasts; Microbiological characteristics; Enzyme activity; Physiological functionality
• ISSN: 0253-651X; 2383-5249
• DOI: 10.4489/KJM.20230004

This study aimed to screen and investigate the microbiological characteristics, enzyme activity, and physiological functionality of unrecorded wild yeasts from the Wolsung valley of South Deogyu mountain and Jinjamcheon in Daejeon city, Korea. Candida sorboxylosa WSC25-4 (NNIBRFG47336), Arxula adeninivorans WSC6-3 (NNIBRFG47335), Farysizyma taiwaniana JRC6-2 (NNIBRFG47339), Saturnispora dispora JTS19-1 (NNIBRFG47334), Vanderwaltozyma polyspora JJCH5-3 (NNIBRFG47337), and Vanrija fragicola SW-9(NNIBRFG47338) have not been previously recorded. None of these formed spores or pseudo-mycelium, and four strains, including C. sorboxylosa WSC25-4, were global in shaped. Except for V. polyspora JJCH5-3, all strains grew well in the yeast extract-peptone-dextrose (YPD), potato-dextrose, and yeast malt extract media. A. adeninivorans WSC6-3 and S. dispora JTS19-1 grew well in 40% glucose-containing YPD medium and V. fragicola SW-9 in 5% NaCl-containing YPD medium. The supernatant of A. adeninivorans WSC6-3, F. taiwaniana JRC6-2, and V. fragicola SW-9 exhibited 58.0, 59.0, and 59.0% of glucoamylase activity, respectively. C. sorboxylosa WSC25-4 also produced extracellular alkaline protease. Antioxidant activity of the supernatant from F. taiwanian JRC6-2 was high (79.8%), while the other five unrecorded yeasts demonstrated elevated antiaging superoxide dismutase (SOD)-like activity (99%). Anti-gout xanthin oxidase inhibitory activity of S. dispora JTS19-1 and V. fragicola SW-9 was also elevated at 79 and 80%, respectively