title: Catalyzed cis-trans isomerization of retinals by crude tissue extracts.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D007536:Isomerism; D012160:Retina; D012172:Retinaldehyde; D014020:Tissue Extracts; D014801:Vitamin A / Q000031:analogs & derivatives
chemical_list: D014020:Tissue Extracts; D014801:Vitamin A; D012172:Retinaldehyde