Reaction catalyzed by linoleate 9/13-lipoxygenase (1.13.11.B6)

		+			=		(12Z)-9-hydroxy-10-oxo-12-octadecenoic acid
	(9Z,12Z)-octadeca-9,12-dienoic acid	+		O2	=		(12Z)-9-hydroxy-10-oxo-12-octadecenoic acid