title: Carotenoid composition in the genus Ectothiorhodospira pelsh.
mesh_terms: D000475:Alkenes / Q000032:analysis; D002338:Carotenoids / Q000032:analysis*; D012246:Rhodospirillum / Q000032:analysis*; D013045:Species Specificity; D013729:Terpenes / Q000032:analysis; D014970:Xanthines / Q000032:analysis
chemical_list: D000475:Alkenes; D013729:Terpenes; D014970:Xanthines; D002338:Carotenoids