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Título : | Comparative hydrolysis and fermentation of sugarcane and agave bagasse |
Autor : | Plascencia Espinosa, Miguel Angel |
Palabras clave : | Sugarcane Agave Bagasse; |
Fecha de publicación : | 26-nov-2012 |
Resumen : | Sugarcane and agave bagasse samples were hydrolyzed with either mineral acids (HCl), commercial glucanases or a combined treatment consisting of alkaline delignification followed by enzymatic hydrolysis. Acid hydrolysis of sugar cane bagasse yielded a higher level of reducing sugars (37.21% for depithed bagasse and 35.37% for pith bagasse), when compared to metzal or metzontete (agave pinecone and leaves, 5.02% and 9.91%, respectively). An optimized enzyme formulation was used to process sugar cane bagasse, which contained Celluclast, Novozyme and Viscozyme L. From alkaline–enzymatic hydrolysis of sugarcane bagasse samples, a reduced level of reducing sugar yield was obtained (11–20%) compared to agave bagasse (12–58%). Selected hydrolyzates were fermented with a non-recombinant strain of Saccharomyces cerevisiae. Maximum alcohol yield by fermentation (32.6%) was obtained from the hydrolyzate of sugarcane depithed bagasse. Hydrolyzed agave waste residues provide an increased glucose decreased xylose product useful for biotechnological conversion. 2007 Elsevier Ltd. All rights reserved. |
Descripción : | Article |
URI : | http://www.repositoriodigital.ipn.mx/handle/123456789/8572 |
Aparece en las colecciones: | Artículos |
Ficheros en este ítem:
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BITE3623.pdf | 75.51 kB | Adobe PDF | Visualizar/Abrir |
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