id	keyword
brj-22092	et al
brj-22092	acid
brj-22092	officinalis
brj-22092	doi
brj-22092	cornus
brj-22092	methyl
brj-22092	nmr
brj-22092	ester
brj-22092	analysis
brj-22092	yue
brj-22092	article
brj-22092	chemical
brj-22092	usage
brj-22092	bioresources
brj-22092	peer
brj-22092	con
brj-22092	cornus officinalis
brj-22092	yue et
brj-22092	ethanol