Cucurbitin is an amino acid and apyrrolidinecarboxylate that is found in Cucurbita seeds. Cucurbitin causes degenerative changes in the reproductive organs of parasitic flatworms called flukes.
References
↑"Pumpkin". Drugs.com. Retrieved November 22, 2014.
↑Mihranian, Valentine H; Abou-Chaar, Charles I (1968). "Extraction, detection, and estimation of cucurbitin in Cucurbita seeds". Lloydia. 31 (1): 23–29.