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KMID : 0379119950230040325
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Korean Journal of Mycology
1995 Volume.23 No. 4 p.325 ~ p.331
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Effect of Cultural Conditions on Polysaccharide Production and its Monosaccharide Composition in Phellinus linteus L13202
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이재훈/Lee, Jae Hoon
고경수/유익동/조수묵/Ko, Kyung Soo Yoo,/Ick Dong/Cho, Soo Muk
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Abstract
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The effect of cultural conditions on mycelial growth, polysaccharide production in Phedlinus linteus and its monosaccharide composition was studied. P. linteus showed the highest growth (0.9 g/100 ㎖) on glucose but the polysaccatide production was the highest (13.7%) on mannose. The fungus grew very well at neutral pH (0.9 g/100 ㎖) but the growth was reduced to 0.47 g per 100 ㎖ at alkaline pH. For the different pH, the yield of polysaccharide was in the range of 5∼8%. The highest yield of 7.94% was obtained at pH 5. Also a variation in monosaccharide composition was observed for different carbon sources and pH. The composition ranges of glucose, mannose, and galactose of polysaccharide were 80∼95%, 3∼12%, and 2∼10% depending on carbon sources, respectively. In contrast, the variation of comparition range of three monosaccharides was narrower for different pH than that for carbon sources. These results suggested the possibility of the improvement of production and the physiological modification of the polysaccharide.
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