Experimental analysis of the oil addition effect on mycelia and polysaccharide productions in Ganoderma lucidum submerged culture

The effect of corn oil addition on mycelium growth and polysaccharide productions in the medicinal mushroom Ganoderma lucidum was studied. The results showed that when a level of 2% corn oil was added at the beginning of culture, the biomass and polysaccharide productions reached a maximum of 12.9 a...

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Bibliographic Details
Published in:Bioprocess and biosystems engineering 2009-02, Vol.32 (2), p.217-224
Main Authors: Huang, Hung-Chang, Chen, Chih-I, Hung, Chia-Nan, Liu, Yung-Chuan
Format: Article
Language:English
Subjects:
Biological and medical sciences
Biotechnology
Carbon sources
Cell culture
Chemistry
Chemistry and Materials Science
Chinese medicine
Corn
Corn Oil - administration & dosage
Environmental Engineering/Biotechnology
Food Science
Fundamental and applied biological sciences. Psychology
Ganoderma lucidum
Herbs
Hydrogen-Ion Concentration
Industrial and Production Engineering
Industrial Chemistry/Chemical Engineering
Mycelium - metabolism
Oils & fats
Original Paper
Polysaccharides - biosynthesis
Reishi - metabolism
Vegetable oils
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Summary:The effect of corn oil addition on mycelium growth and polysaccharide productions in the medicinal mushroom Ganoderma lucidum was studied. The results showed that when a level of 2% corn oil was added at the beginning of culture, the biomass and polysaccharide productions reached a maximum of 12.9 and 1.038 g/L, respectively, during 13-day cultivation. The pH variation along with morphology observation in culture provided an indirect inference to the promotional effect of oil addition. Moreover, a curve fitting analysis was carried out to assay the elevated effect on biomass and exopolysaccharide productions in oil added culture. The experimental data of substrates consumption and products formation in culture with oil addition were predicted through the fitting equations obtained in single carbon source culture. The numerical results further clarified the stimulatory effects of oil addition in G. lucidum culture.
ISSN:1615-7591
1615-7605
DOI:10.1007/s00449-008-0239-z