Optimal Culture Conditions for Mycelial Growth and Exo-polymer Production of Ganoderma applanatum
2009
Jeong, Y.T., Daegu University, Gyeongsan, Republic of Korea | Jeong, S.C., Daegu University, Gyeongsan, Republic of Korea | Yang, B.K., Daegu University, Gyeongsan, Republic of Korea | Islam, Rezuanul, Daegu University, Gyeongsan, Republic of Korea | Song, C.H., Daegu University, Gyeongsan, Republic of Korea
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 25℃ 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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