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Agave Biomass is Excellent for Production of Bioethanol and Xylitol Using Bacillus Strain 65S3 and Pseudomonas Strain CDS3

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A high abundance of cellulose and low content of lignin make Agave americana an ideal feedstock for the biorefining industry. Eighteen cellulose-decomposing bacterial isolates were examined for their ability to decompose agave biomass and production of bioproducts. In agave-agar plate qualitative assay, 3 bacterial strains displayed better hydrolysis ability than the positive control, Cellumonas xylanilytica XIL11. In microplate quantitative assay using 3,5-dinitrosalicylic acid as substrate, a Bacillus strain (65S3) and a Pseudomonas strain (CDS3) were found superior for bioethanol and xylitol production. Bioethanol output of 65S3 was as high as 0.92 g/g, while CDS3 degraded agave and produced xylitol as high as 0.98 g/g. Significant structural degrading changes have been observed using scanning electron microscopy, after 14- and 28-day treatments by using CDS3 and 65S3. CDS3 and 65S3 have great potentials in the biorefining industry for the production of value-added bioproducts.
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Keywords: AGAVE; BIOMASS; ETHANOL; FERMENTATION; XYLITOL

Document Type: Research Article

Publication date: August 1, 2014

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  • The goal of the creation of a biobased economy is challenging to agriculture, forestry, academia, government and industry. The extractable resources of the Earth are finite, regardless of the quibble over when they will be depleted. The economic, political and social demands for biobased chemicals, materials and energy are expected to radically transform the materials industries, particularly the plastics industry as well as the biofuel industry. These changes will be based on the principles of sustainability, eco-efficiency, industrial ecology, and green chemistry and engineering. In keeping with the growth of knowledge in this field, there is a strong need for a forum to share original research related to biobased materials and bioenergy. The Journal of Biobased Materials and Bioenergy (JBMB) has been created as an international peer-reviewed periodical to fulfill the need for communication in these research areas. This journal will encompass related research activities in all fields of science, engineering and the life sciences.
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