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KMID : 1024620030230010080
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Food Science of Animal Resources
2003 Volume.23 No. 1 p.80 ~ p.85
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Antimicrobial and Antitumoral Activities of Candida kefyr TEP 7 Isolated from Tibetan Fermented Milk
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Yoon Wan-Ho
Na Young-Mi
Kim Chang-Han
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Abstract
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This study was carried out to investigate antimicrobial and antitumoral activities of Candida kefyr TFP7 isolated from Tibetan fermented milk Strains of TFP1∼10 were isolated from Tibetan fermented milk by agar diffusion method using potato dextrose agar(PDA). Antimicrobial activities were examined against 18 microorganisms of food-related bacteria, yeast, algae, fungi and actinomycetes isolated from soil. Antitumor activities were examined against 9 human tumor cell lines. Strains of TFP2∼10 showed strong antimicrobial activities against Micrococcus luteus ATCC l1880, and strains of TFP6∼10 to actinomycetes, Streptomyces murinus JCM 4333. In antitumor test, all isolated strains(TEP1∼10) showed the growth inhibition of SNU-5 and SW-534 by 60% and 70%, respectively. Among those, the strain TFP7 showed the most antitumor activity, which was 77.5% for SNU-5 and 76.5% for SW-534. The strain was identified as Candida kefyr by use of API 20C AUX kit and scanning electron micrograph.
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KEYWORD
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antimicrobial activity, antitumor activity, candida kefyr, tibetan fermented milk
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