Reaction catalyzed by feruloyl esterase (3.1.1.73)

		+		H2O	=			+
	5-bromo-4-chloro-3-indolyl 5-O-feruloyl alpha-L-arabinofuranoside	+		H2O	=		ferulic acid	+		5-bromo-4-chloro-1H-indol-3-yl-L-arabinofuranoside