KMID : 0613820070170010137
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Journal of Life Science 2007 Volume.17 No. 1 p.137 ~ p.142
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Characteristics of Monascus Natural Pigments Produced by Monascus sp. MK2-2
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Jeon Chun-Pyo
Kim Chang-Suk Lee Jung-Bok Shin Ji-Won Choi Sung-Yeon Choi Chung-Sig Lee Oh-Seuk Kwon Ki-Suk
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Abstract
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For the production of natural pigments with microbe, the strains which produced monascus pigment were isolated, and then culture condition and extraction condition were investigated. These results are summarized as follows; The strain which can produce monascusnatural pigment was isolated from natural microbial sources and we made mutant of this strain with UV(235§¬, 30 second) irradiation. The mutant was identified as Monascus sp. MK2-2. The optimal culture conditions were investigated optimal medium containing 0.3% rice powder, 0.2% yeast extract, 0.3% NH©þH©üPO©þ, and 30¡É in a rotary shaker (120 rpm) for 5 days (initial pH 5.0), while the pigment production was determined at 24 hr intervals. The effective carbon sources were wheat flour £¾ rice powder £¾ fructose, and effective nitrogen sources were sodium nitrate £¾ KNO©ý for production of the monascus natural pigment. The pigment capacity is good from 17 to 22 in C/N ratio. The production amount of monascus natural pigment was 0.38 g per 1 §¸ of rice. Also, extract of red yeast rice had anti-thrombosis activity like a degree of aspirin.
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KEYWORD
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Monascus sp., Monascus natural pigment, Optimal conditions, Anti-thrombosis activity
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