초록

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Abstract ▼ AI-Helper

The effect of cultural conditions on mycelial growth, polysaccharide production in Phellinus linteus and its monosaccharide composition was studied. P. linteus showed the highest growth (0.9 g/100 ml) on glucose but the polysaccharide production was the highest (13.7%) on mannose. The fungus grew ve...

The effect of cultural conditions on mycelial growth, polysaccharide production in Phellinus linteus and its monosaccharide composition was studied. P. linteus showed the highest growth (0.9 g/100 ml) on glucose but the polysaccharide production was the highest (13.7%) on mannose. The fungus grew very well at neutral pH (0.9 g/100 ml) but the growth was reduced to 0.47 g per 100 ml at alkaline pH. For the different pH, the yield of polysaccharide was in the range of $5{\sim}8%$. 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 $80{\sim}95%,\;3{\sim}12%,\;and\;2{\sim}10%$ depending on carbon sources, respectively. In contrast, the variation of composition 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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