convolvulin
旋花□
con·vol·vu·lin /kənˈvɑlvjələn, ˈvɔl-/ 名詞
旋花甘,旋花脂,旋花靈
Con·vol·vu·lin n. Chem. A glucoside occurring in jalap (the root of a convolvulaceous plant), and extracted as a colorless, tasteless, gummy mass of powerful purgative properties.
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