Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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Optimum Conditions for Production of Mevinolin from the Soybean Fermented with Monascus sp.

홍국균(Monascus sp.) 발효콩의 mevinolin 생산 조건

  • Pyo, Young-Hee (Traditional Food Research Division, Korea Food Research Institute)
  • 표영희 (한국식품연구원, 전통식품연구본부)
  • Published : 2006.04.01
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Abstract

Soybeans were fermented with Monascus sp. to select strain with highest mevinolin production through solidstate fermentation. Monascus pilosus IFO 480 showed highest yield of 2.2 mg mevinolin per g dry weight without citrinin, toxic fungal secondary metabolite, as byproduct. Nutrient broth used for soybean fermentation with Monascus sp. was composed of 3.4 rice powder, 1.1 peptone, 2.6 glycine, 12.9 glucose, initial pH 6.0 (%, w/v). Mevinolin was present in fermentation substrate largely as hydroxy carboxylate form (open lactone, 91.8-96.8%), which is used as hypocholesterolemic agent. Production of mevinolin continued up to 50 days fermentation time at $30^{\circ}C$.

20여종의 Monascus속의 균주로 부터 mevinolin의 생산능이 우수하면서도 곰팡이 독소성분 citrinin을 생산하지 않는 우량균주를 선발하였으며, 콩시료에 대한 고상발효를 최적화하기 위한 영양배지의 조성물이 검토되었다. 선발된 M. pilosus IFO 480으로 발효시킨 홍국콩 발효물에 함유된 mevinolin의 주요 화합물은, 약리학적 활성형(drug)의 mevinolinic acid 밝혀졌다(91.8%). 따라서 홍국 발효콩은 생체활성형의 항 콜레스테롤 성분을 최대 0.22% 까지 함유하는, 안전한 건강 기능성식품 소재로서의 활용가능성이 높은 것으로 평가할 수 있다.

Keywords

References

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