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KMID : 0903519870300010031
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1987 Volume.30 No. 1 p.31 ~ p.39
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Effect of Ganoderma lucidum(Wood , Pot cultivated & Wild) Extract on the Physiological Characteristics of Saccharomyces cerevisiae
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Abstract
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This study has been investigated the effect of Ganordema lucidum extract on Saccharomyces cerevisiae growth and physiology. Sacch. cerevisiae was inoculated in Hayduck solution medium which were added 0, 0.1, 0.5, 1.0% extracts of G. locidum and fermented at 30℃ for 5 days respectively. Some results about cell number, alcohol content and carbon dioxide products during fermentation are as follows: CO₂ evolution of yeasts by addition of extract of G. lucidum was more increased than control after the fermentation for 120 hours. It was the most abundant by addition of 1.0% extract of pot-culture G. lucidum. The cell number of yeasts during the fermentation w as more increased than control by addition of extract of G. lucidum. It was by addition of extract of pot-culture G. lucidum that the cell number of yeasts was more increased than by each addition of extract of wood-culture G. lucidum and G. lucidum. Dry weight of yeasts was systematically increased in addition of extract of pot 0.5%$gt;pot 1.0%$gt;wild 1.0%$gt;wood 1.0%=wood 0.5%$gt;wild 0.5%$gt;wild 0.1%$gt;pot 0.1%$gt;wood 0.1%$gt;control in order. It was by addition of extract of pot-culture G. lucidum that. the dry weight of yeasts was more increased than by addition of woodculture G. lucidum and wild G. lucidum. Alcohol quantity by addition of extract of G. lucidum was increased more than 3 times after the fermentation for 72 hours compared with control but there was no any difference among them after the fermentation for 120 hours. The rate of sugar-consumption and fermentation of yeast by addition of extract of G. lucidum was highly increased during the early fermentation. As times went, there was no difference among them during the subsequent fermentation.
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