Korean Journal of Microbiology (미생물학회지)

The Microbiological Society of Korea (한국미생물학회)
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Optimization of Production of Pigment from Monascus sp. in Liquid Culture

액체배양에 의한 홍국색소 생산의 최적배양조건

  • Published : 2007.03.31
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Abstract

The optimal conditions for Monascus pigments production of Monascus sp. KM 1001, pigment overproducing mutant, in submerged culture was investigated. The optimal medium for the production of pigment from KM 1001 mutant is determined to be composed of 4% rice powder, 0.15% Bacto-peptone, 0.1% glycine, 0.01% $FeSO_{4}{\cdot}7H_{2}O,\;0.1%\;MgSO_{4}{\cdot}7H_{2}O,\;0.25%\;KH_{2}PO_{4},\;pH4.5$. On optimal conditions,10.0 g/L of the cell mass was obtained at $30^{\circ}C$ for 5 days. Yellow, orange and red pigment of Monascus sp. KM 1001 were produced 3.25 units, 1.59 units and 0.88 units in extracellular part, and 84.96 units, 78.84 units and 91.80 units in intracellular part, respectively.

홍국 색소의 액체배양에 의한 대량생산조건을 개발하기 위하여 Monascus sp. KM 1001 변이주를 대상으로 균체생산 및 색소생성에 미치는 최적배양조건을 비교 검토하였다. 실험균주의 색소생성을 위한 액체배지의 최적화학적 조성은 4% rice powder, 0.15% Bacto-peptone, 0.1% glycine, 0.01% $FeSO_{4}{\cdot}7H_{2}O,\;0.1%\;MgSO_{4}{\cdot}7H_{2}O,\;0.25%\;KH_{2}PO_{4},\;pH4.5$였다. 실험균주의 $2.0{\times}10^{6}\;spores/ml$의 포자현탁액을 액체배지 50 ml에 접종하여 배양온도 $30^{\circ}C$에서 150 rpm으로 5일간 배양하였을 때, 10.00 g/L의 균체생산과 세포외 황색색소 오렌지색소와 적색색소는 각각 3.25 unit, 1.59 unit, 0.88 unit를 생성하였으며, 세포내 황색색소 오렌지색소와 적색색소는 84.96 unit, 78.84 unit, 91.80 unit의 색소를 생산할 수 있었다.

Keywords

References

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