Journal
BIORESOURCE TECHNOLOGY
Volume 208, Issue -, Pages 7-12Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2016.02.054
Keywords
Illumina sequencing; Lactic acid fermentation; Microbial structure; Peel waste
Funding
- National Institute of General Medical Sciences - United States [P30 RR033376]
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Mixed cultures fermentation can be used to convert organic wastes into various chemicals and fuels. This study examined the fermentation performance of four batch reactors fed with different agricultural (orange, banana, and potato (mechanical and steam)) peel wastes using mixed cultures, and monitored the interval variation of reactor microbial communities with 16S rRNA genes using Illumina sequencing. All four reactors produced similar chemical profile with lactic acid (LA) as dominant compound. Acetic acid and ethanol were also observed with small fractions. The Illumina sequencing results revealed the diversity of microbial community decreased during fermentation and a community of largely lactic acid producing bacteria dominated by species of Lactobacillus developed. (C) 2016 Elsevier Ltd. All rights reserved.
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