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KMID : 1160220090370020089
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Mycobiology
2009 Volume.37 No. 2 p.89 ~ p.93
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Optimal Culture Conditions for Mycelial Growth and Exo-polymer Production of Ganoderma applanatum
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Jeong Yong-Tae
Jeong Sang-Chul
Yang Byung-Keun
Islam Rezuanul
Song Chi-Hyun
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Abstract
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The effect of fermentation parameters and medium composition on the simultaneous mycelial growth and exo-polymer production from submerged cultures of Ganoderma applanatum was investigated in shake-flask cultures. The optimum initial pH for mycelial growth and exo-polymer production was 5.0 and 6.0, respectively. The optimum temperature was 25oC and the optimum inoculum content was 3.0% (v/v). The optimal carbon and nitrogen sources were glucose and corn steep powder, respectively. After 12 days fermentation under these conditions, the highest mycelial growth was 18.0 g/l and the highest exo-polymer production was 3.9 g/l.
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KEYWORD
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Exo-polymer, Ganoderma applanatum, Mycelia, Submerged culture
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