Production of mycelia and exo-biopolymer from molasses by Cordyceps sinensis 16 in submerged culture |
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Authors: | Cha S H Lim J S Yoon C S Koh J H Chang H I Kim S W |
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Affiliation: | Department of Chemical and Biological Engineering, Korea University, 5-1 Anam-dong, Sungbuk-gu, Seoul 136-701, Republic of Korea. |
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Abstract: | The molecular weight of exo-biopolymer obtained from a submerged culture of Cordyceps sinensis 16 consisted of a main unit and a subunit of 126 and 68 kDa, respectively. The optimal medium for the production of mycelia and exo-biopolymer was determined to be molasses containing 2% sucrose, 0.9% yeast extract, 0.3% K2HPO4, and 0.4% CaCl2. Using optimized medium, maximum productions of mycelia and exo-biopolymer in shake-flask culture were 54.0 g/L and 28.4 g/L, respectively. This study suggests that large-scale production of mycelia and exo-biopolymer by C. sinensis 16 is possible in submerged culture. |
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