미생물학회지 (Korean Journal of Microbiology)

  • 제40권3호
  • /
  • Pages.217-220
  • /
  • 2004
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  • 0440-2413(pISSN)
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  • 2383-9902(eISSN)
한국미생물학회 (The Microbiological Society of Korea)
권호 표지

Cordycepin 생성을 위한 배양조건 및 배지조성의 최적화

Optimization of Culture Condition and Media Composition on the Production of Cordycepin by Cordyceps militaris.

  • 발행 : 2004.09.01
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초록

Cordyceps militaris의 액체 배양시 cordycepin(3'-deoxyadenosine) 생성에 영향을 주는 물리화학적 조건 및 배지 조성의 영향을 조사하였다. 사용된 17종 균주 중에서 C. militaris KCTC 6862, C. militaris KCTC 16932 및 C. militaris DGUM 32003이 우수한 cordycepin생산성을 보여주었다. Cordycepin생산에 적합한 최적 온도와 PH는 각각 $24^{\circ}C$와 pH 6.0-10범위이었다. YM배지에 탄소원으로 glucose를, 질소원으로 tryptone을 각 1% 첨가하였을 매 우수한 cordycepin 생산을 보여주었다. Tryptone을 질소원으로 하는 YMG 액체배지에서 5일간 배양하였을 경우, 39mg/l의 cordycepin의 농도가 측정되었다. 0.1%의 다양한 인산원을 각각 첨가한 결과, cordycepin생산을 저해하였다.

The effect of media composition and culture condition on mycelial growth and cordycepin (3'-deoxyadenosine) production was determined using Cordyceps spp. Among the strains of C. militaris and C. sinensis tested, C. militaris KCTC 6862, C. militaris DGUM 32003 and C. militaris KCTC 16932 were excellent for the production of cordycepin. The optimal temperature and pH for production of cordycepin were $24^{\circ}C$ and pH ranged from 6.0 to 10, respectively. Among various sources of carbon and nitrogen tested, glucose and tryptone were very excellent for the production of cordycepin, respectively. After 5days cultivation with 1% of tryptone with nitrogen source, 39mg/l of cordycepin was produced. However, addition of phosphorus sources reduced the production of cordycepin.

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참고문헌

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