peltatin

peltatin
pel·ta·tin pel-'tāt-ən n either of two lactones that occur as glycosides in the rootstock of the mayapple (Podophyllum peltatum) and have some antineoplastic activity:
a) or à-pel·ta·tin 'al-fə- one C21H20O8 containing two hydroxyl groups
b) or ß-pel·ta·tin 'bāt-ə-, chiefly Brit 'bēt-ə- one C22H22O8 containing only one hydroxyl group with the other replaced by a methoxyl group

Medical dictionary. 2011.

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  • resin — 1. An amorphous brittle substance consisting of the hardened secretion of a number of plants, probably derived from a volatile oil and similar to a stearoptene. 2. SYN: rosin. 3. A precipitate formed by the addition of water to certain tinctures …   Medical dictionary

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