id	keyword
brj-22143	cellulose
brj-22143	headspace
brj-22143	anaerobic
brj-22143	samples
brj-22143	degradation
brj-22143	fig
brj-22143	acetate
brj-22143	ethanol
brj-22143	et al
brj-22143	doi
brj-22143	butyrate