| Summary: | 碩士 === 大同大學 === 生物工程研究所 === 94 === In this study, the influence of different rice and cultivation condition on the production of monacolin K, citrinin and pigments by solid state fermentation of Monascus purpureus BCRC 31615 was studied. Monascus was cultured at 30℃ on polished indica rice and de-hulled indica rice, separately. The results showed that the pigment is relatively high when cultivated on polished indica rice while monacolin K content is relatively high when cultivated on de-hulled indica rice. During solid state fermentation of de-hulled indica rice, adding 60 ml of water at day 9 improved 33.7% of the productivity of monacolin K from 3813 ppm to 5098 ppm. A similar tendency was observed in the formation amount of monacolin K, citrinin and pigments. The monacolin K production of this study was the most in the literatures ever published.
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