peltatin

noun
pel·​ta·​tin | \ pel-ˈtāt-ᵊn How to pronounce peltatin (audio) \

Medical Definition of peltatin

: either of two lactones that occur as glycosides in the rootstock of the mayapple (Podophyllum peltatum) and have some antineoplastic activity:
a or α-peltatin \ ˈal-​fə-​ How to pronounce α-peltatin (audio) \ : one C21H20O8 containing two hydroxyl groups
b or β-peltatin \ ˈbāt-​ə-​, chiefly British ˈbēt-​ə-​ \ : one C22H22O8 containing only one hydroxyl group with the other replaced by a methoxyl group

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