title: Alpha-ecdysone and 20-hydroxyecdysone from frass of the tobacco hornworm, Manduca sexta (L.).
mesh_terms: D000535:Aluminum; D000818:Animals; D002845:Chromatography; D002855:Chromatography, Thin Layer; D003377:Countercurrent Distribution; D004440:Ecdysone / Q000302:isolation & purification*; D006914:Hydroxysteroids / Q000302:isolation & purification; D007313:Insecta / Q000032:analysis*; D007814:Larva / Q000032:analysis; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D000432:Methanol; D012822:Silicon Dioxide; D012995:Solubility
chemical_list: D006914:Hydroxysteroids; D004440:Ecdysone; D012822:Silicon Dioxide; D000535:Aluminum; D000432:Methanol