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  • Title: Bioconversion of agrowastes by Lentinula edodes: the high potential of viticulture residues.
    Author: Gaitán-Hernández R, Esqueda M, Gutiérrez A, Sánchez A, Beltrán-García M, Mata G.
    Journal: Appl Microbiol Biotechnol; 2006 Jul; 71(4):432-9. PubMed ID: 16331453.
    Abstract:
    The production of four strains of edible mushroom Lentinula edodes was evaluated through solid-state fermentation (SSF) of vineyard pruning (VP), barley straw (BS), and wheat straw (WS). Biological efficiency, proximal composition, and energy value of the fruiting bodies, as well as substrate chemical changes after harvest, were determined. The shortest primordium formation time (28 days), highest biological efficiency (93.25%), highest yield (37.46%), and shortest production cycle (6 days) were observed in VP. The fruiting bodies obtained from VP had high energy value (379.09 to 392.95 kcal) and contents of protein (12.37 to 17.19%), but low contents of fat (1.82 to 2.15%). After SSF, phenol concentration decreased on VP (1.2 mmol/L) and BS (0.31 mmol/L), but on WS remained practically the same. Hemicellulose decreased in all substrates; cellulose increased on WS and decreased in the rest of the treatments. Lignin decreased on WS and BS, but its concentration increased on VP. The variability observed in the degradation capacity of lignocellulosic components was influenced by the substrate's nature, environmental factors, and genetic factors among strains. VP has great potential for shiitake production due to its low cost, short production cycles, and high biological efficiency.
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