Identification of Yeasts from Korean Feces and Prerequisite Characterization for Preparation of Probiotics

Mo, Eun-Kyoung;Lee, Jung-Hyun;Xu, Bao-Jun;Sung, Chang-Keun

  • Published : 20040200

Abstract

Human feces were collected from healthy adults and infants, to obtain probiotic yeasts inhabiting human and/or animal intestines. Isolated yeast strains grew well at aerobic and anaerobic culture conditions, and showed strong viability at various physiological temperatures ($30-42^{\circ}C$) and pH (pH 2-4). They showed antagonistic properties against human pathogenic Gram-positive and-negative bacteria. Dominant isolates were identified as Pichia farinosa SKM-1, P. anomala SKM-T, and Galactomyces geotrichum SJM-59 based on carbohydrate assimilation and partial 26S rDNA sequencing analysis.

Keywords

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