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The Optimal Condition for Production of Red Pigment by Monascus anka on Solid Culture

고체배양에 의한 Monascus anka의 적색색소 생성의 최적 조건

  • Published : 2003.03.01

Abstract

The optimum cultural conditions for production of red pigment from Monascus anka KCTC 6121 on solid culture were studied. The optimal conditions were found that the strain was cultivated on polished rice with 25% initial moisture content, at 3$0^{\circ}C$, 90% humidity for 12 days. It was also found that the maximum red pigment was extracted when the final culture was left in 80% ethanol for 2 days. The light stability of the extracted red pigment was relative stable since the discoloration rate was less than 8% in 30 days under the indirect light.

Monascus anka KCTC 6121을 이용하여 백미에 의한 고체 배양을 통한 실험균의 적색 색소의 생산을 위한 배양조건의 최적화에 관한 연구 결과는 다음과 같이 요약된다. 실험균주가 생산하는 적색색소 생산의 최적 배양조건은 초기 수분함량 25%, 2.5$\times$$10^{6}$/mL의 실험균주의 포자, 배양온도3$0^{\circ}C$, 배양습도 90%에서 배양 12일째가 가장 양호했다. 생산된 적 색 색소의 추출은 80% 에탄올에서 2일간 추출이 가장 양호했으며 2일 이후의 색소 추출은 색소 추출량에 거의 변화가 없음을 알 수 있었다. 실험균주로부터 추출한 색소의 빛에 대한 안정성은 반 직사광선에서 색소의 색상이 30일간 8% 미만으로 감소하여 햇빛에 대한 안정성은 비교적 높았다.

Keywords

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