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  • Title: Horticultural waste as the substrate for cellulase and hemicellulase production by Trichoderma reesei under solid-state fermentation.
    Author: Xin F, Geng A.
    Journal: Appl Biochem Biotechnol; 2010 Sep; 162(1):295-306. PubMed ID: 19707729.
    Abstract:
    Horticultural waste in wood chips form collected from a landscape company in Singapore was utilized as the substrate for the production of cellulase and hemicellulase under solid-state fermentation by Trichoderma reesei RUT-C30. The effects of substrate pretreatment methods, substrate particle size, incubation temperature and time, initial medium pH value, and moisture content on cellulase and hemicellulase production were investigated. Enzyme complex was obtained at the optimal conditions. This enzyme mixture contained FPase (15.0 U/g substrate dry matter, SDM), CMCase (90.5 U/g SDM), beta-glucosidase (61.6 U/g SDM), xylanase (52.1 U/g SDM), and beta-xylosidase (10.4 U/g SDM). The soluble protein concentration in the enzyme complex was 26.1 mg/g SDM. The potential of the crude enzyme complex produced was demonstrated by the hydrolysis of wood chips, wood dust, palm oil fiber, and waste newspaper. The performance of the crude enzyme complex was better than the commercial enzyme blend.
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