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KMID : 0380020060210020103
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Korean Journal of Biotechnology and Bioengineering
2006 Volume.21 No. 2 p.103 ~ p.109
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Cultural Characteristics and Scale-up for Submerged Cultivation of Hericium erinaceum Through Air-Lift and Jar Fermenter System
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Jeong Jae-Hyun
Lee Keun-Eok
Lee Shin-Young
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Abstract
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For the study of Hericium erinaceum as a useful functional foods and materials, liquid cultivation under two different bioreactors (air-lift fermenter and jar fermenter) which was not studied systematically until now, was conducted as a method of mass cultivation for H. erinaceum. A batch cultivation in an air-lift fermenter and a jar fermenter was examined for enhancing the productivity because of small amounts of mycelial weight and slow growth in case of a liquid culture for H. erinaceum. We found that air lift fermenter system was more effective than jar fermenter for mycelial production of H. erinaceum, and mycelial morphology was a critical factor of the growth. By scale-up and cultivation based on morphological analysis, the conditions for mass production with 30 L and 500 L jar fermenter was 200 and 150 rpm of agitation speed at 1vvm of aeration rate, respectively, and mycelial dry weight under these conditions was enhanced to about 13∼14 g/L.
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KEYWORD
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Hericium erinaceum, mycelium, submerged culture, morphology, air-Lift and jar fermenter, scale-up
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