Mycobiology.  2009 Jun;37(2):89-93.

Optimal Culture Conditions for Mycelial Growth and Exo-polymer Production of Ganoderma applanatum

Affiliations
  • 1Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk 712-714, Korea. chsong@daegu.ac.kr
  • 2Research Center for Processing & Application of Agricultural Products, Daegu University, Gyeongsan, Gyeongbuk 712-714, Korea.

Abstract

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 25degrees C 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.

Keyword

Exo-polymer; Ganoderma applanatum; Mycelia; Submerged culture

MeSH Terms

Carbon
Fermentation
Ganoderma
Glucose
Hydrogen-Ion Concentration
Nitrogen
Zea mays
Carbon
Glucose
Nitrogen
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