title: A SECOND NAPHTHOQUINONE IN SPINACH CHLOROPLASTS.
mesh_terms: D001681:Biological Assay; D002736:Chloroplasts; D002845:Chromatography; D009285:Naphthoquinones; D012106:Research; D013057:Spectrum Analysis; D018724:Spinacia oleracea; D014675:Vegetables; D014812:Vitamin K; D010837:Vitamin K 1
chemical_list: D009285:Naphthoquinones; D014812:Vitamin K; D010837:Vitamin K 1
keywords: BIOLOGICAL ASSAY; CHROMATOGRAPHY; EXPERIMENTAL LAB STUDY; NAPHTHOQUINONES; PHYTONADIONE; SPECTRUM ANALYSIS; VEGETABLES; VITAMIN K