title: Search for prostaglandin A1 in onion.
mesh_terms: D000818:Animals; D001681:Biological Assay; D001794:Blood Pressure / Q000187:drug effects; D002845:Chromatography; D002855:Chromatography, Thin Layer; D010944:Plants / Q000032:analysis*; D011453:Prostaglandins / Q000032:analysis* / Q000494:pharmacology; D051381:Rats; D012822:Silicon Dioxide; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet
chemical_list: D011453:Prostaglandins; D012822:Silicon Dioxide