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International Journal of Medicinal Mushrooms
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ISSN Druckformat: 1521-9437
ISSN Online: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushr.v6.i4.80
8 pages

Effect of Wheat Bran Supplementation to the Sawdust Substrate on Mycelial Growth Rate and Production of Extracellular Degradative Enzymes by the Medicinal Reishi Mushroom Ganoderma lucidum (W.Curt.:Fr.) Lloyd (Aphyllophoromycetideae)

R. D. Rai
National Research Centre for Mushroom (ICAR), Chambaghat, Solan, HP
Shwet Kamal
National Research Centre for Mushroom (ICAR), Chambaghat, Solan, HP, India
S. K. Singh
National Research Centre for Mushroom (ICAR), Chambaghat, Solan, HP, India

ABSTRAKT

The mycelial growth of the Reishi medicinal mushroom (Ganoderma lucidum) increased with the increase of the wheat bran rate added to the basal sawdust medium up to 20% supplementation but leveled off thereafter. G. lucidum produced 11 extracellular degradative enzymes: cellulases (filter paperase, endoglucanase, avicelase, cellulase azure, β-glucosidase), lignin peroxidase, Mn-dependent peroxidase, laccase, xylanase, amylase, and proteinase. The significant increase in the activities of the extracellular degradative enzymes in G. lucidum occurred in the wheat-bran-enriched basal sawdust medium.


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