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Cultivation of Pleurotus ostreatus (Jacq .: Fr.) Kummer on pear pomace: Evaluation of productivity and chemical composition of the biodegraded substrate
Author(s) -
Gustavo E. Rodríguez,
Daniel Alfredo Martínez,
Maria Buglione,
Marcela Viviana Filippi,
Marta Susana Agüero
Publication year - 2018
Publication title -
anales de biología
Language(s) - English
Resource type - Journals
eISSN - 1989-2128
pISSN - 1138-3399
DOI - 10.6018/analesbio.40.03
Subject(s) - pomace , pleurotus ostreatus , dry matter , food science , horticulture , chemistry , chemical composition , substrate (aquarium) , pear , botany , biology , mushroom , ecology , organic chemistry
El objetivo de este trabajo fue evaluar la factibilidad de emplear orujo de pera como sustrato para el cultivo comercial de dos cepas de Pleurotus ostreatus (Pl-P y Pl-J) y analizar la variación de la composición química del orujo biodegradado. La cepa Pl-J presentó 98,3% de Eficiencia Biológica, 35% de Rendimiento y 45 días de Período Productivo, mientras que para Pl-P los valores fueron 62,3%, 21,8% y 35 días, respectivamente. La actividad metabólica de ambas cepas sobre el sustrato provocó una disminución relativa del contenido de materia seca y materia orgánica del 20 al 30% y de un 60% para los carbohidratos solubles. Al finalizar el Período Productivo, las fibras (FDN, FDA y LDA) disminuyeron 10 a 20% mientras que el contenido de proteína bruta no se modificó significativamente. The aim of this work was to evaluate the feasibility of using pear pomace as a substrate for the commercial cultivation of two strains of Pleurotus ostreatus (Pl-P and Pl-J) and to analyze the variation of the chemical composition of the biodegraded pomace. The Pl-J strain presented 98,3% of Biological Efficiency, 35% of Yield and 45 days of Productive Period, while for Pl-P the values were 62,3%, 21,8% and 35 days respectively. The metabolic activity of both strains on the substrate led to a relative decrease in dry matter and organic matter content of 20 to 30%, and 60% for soluble carbohydrates. At the end of the Productive Period, the fibers (FDN, FDA and LDA) decreased 10 to 20% while the crude protein content was not significantly modified.

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