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International Journal of Medicinal Mushrooms
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ISSN Imprimer: 1521-9437
ISSN En ligne: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.2018027005
pages 775-789

Vineyard Pruning Waste Improves Bioconversion and Chemical Composition of Native Ganoderma spp. (Agaricomycetes) Strains from Mexico

Idaly Morales-Estrada
Centro de Investigación en Alimentación y Desarrollo A.C., Hermosillo, Sonora, México
Rigoberto Gaitán-Hernández
Biotechnology Resources Management Network, Institute of Ecology AC, Xalapa, Veracruz, Mexico
Aldo Gutiérrez
Research Center for Food and Development AC, Hermosillo, Sonora, Mexico
Georgina Vargas
Centro de Investigación en Alimentación y Desarrollo A.C., Hermosillo, Sonora, México
Alberto Jiménez
Centro de Investigación en Alimentación y Desarrollo A.C., Hermosillo, Sonora, México
Agustin Rascón
Centro de Investigación en Alimentación y Desarrollo A.C., Hermosillo, Sonora, México
Martín Esqueda
Research Center for Food and Development AC, Hermosillo, Sonora, Mexico

RÉSUMÉ

The aim of this work was to evaluate wood chips from vineyard prunings (VPs) as a potential substrate in cultures of Ganoderma spp. Biological efficiency (BE), production rate (PR), yield, and protein and fat contents of basidiomes increased when the wild strains G. oerstedii and G. subincrustatum, which were isolated from the Sonoran Desert, were cultivated on VPs. The mineral content of the basidiomes varied depending on the strain and substrate. The carbohydrate and phenol contents of the different substrate combinations and of the basidiomes were similar among strains. However, the carbohydrate and phenol contents of the substrates did not correlate with an increase in BE. Conversely, the high availability of protein, fat, and hemicellulose in VPs positively correlated with increases in BE, in yield, and in the protein and fat contents of the basidiomes of the wild strains. Our results clearly demonstrate that, in comparison with the traditional substrate of oak wood, VPs improve the production and biochemical composition of basidiomes. Therefore, cultivation of Ganoderma spp. on VPs is an environmentally friendly strategy for increasing their nutritional value and for cultivating these mushrooms for other biotechnological applications.


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