[ jal-uh-pin, jah-luh- ]
/ ˈdʒæl ə pɪn, ˈdʒɑ lə- /
a resin that is one of the purgative principles of jalap.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for jalapin
The chief constituents of jalap resin are two glucosides—convolvulin and jalapin—sugar, starch and gum.
Jalapin or scammonin, C34H56O16, occurs in scammony; it hydrolyses to glucose and jalapinolic acid.