Food Science of Animal Resources (한국축산식품학회지)

Korean Society for Food Science of Animal Resources (한국축산식품학회)
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Antimicrobial and Antitumoral Activities of Candida kefyr TEP 7 Isolated from Tibetan Fermented Milk

티벳산 발효유로부터 분리한 Candida kefyr TFP 7의 항균활성 및 항암활성

  • 윤원호 (서일대학 식품가공과) ;
  • 나영미 (건국대학교 축산가공학과) ;
  • 김창한 (건국대학교 축산가공학과)
  • Published : 2003.03.01
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Abstract

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.

티벳산 발효유로부터 분리한 Candida kefyr TFP7의 항균활성 및 항암활성을 검토하기 위하여 PDA배지를 이용한 십진 희석법에 의해 10균주(TFP1∼10)를 분리하여 몇 종의 병원균과 식중독균, 식품과 관련이 있는 세균, 효모, 곰팡이, 녹조류 및 토양으로부터 분리한 방선균 등 18균주에 대하여 항균활성을 조사하였으며, 또한, 9종류의 인체 암세포주에 대하여 항암활성을 비교하였다. 항균활성 검사에서는 Gram 양성균 중 iwicrococcus iuteus ATCC l1880에 대하여 분리균주 (TFP2∼10)와 방선균인 Styeptomyces murinus JCM 4333에 패하여 분리균주(TFP6∼10)가 뚜렷한 생육억제효과를 나타내었다. 한편, 항암활성 검사에서는 SNU-5(human stomach carcinoma), SW-534(human larynx carcinoma)에 대하여 분리 균주(TFP1∼10) 모두 각각 60%, 70%이상의 생육억제 효과를 나타내었다. 특히, 균주 TFP7은 SNU-5, SW-534에 대하여 각각 77.5%, 76.5%의 가장 우수한 생육억제 효과를 나타내었다.

Keywords

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