Coumarins were isolated and identified from the leaves ofCitrus aurantifolia and C. limonia; the percentage yields were 3.1and 2.7%, respectively. Bergapten, limettin, isopimpinellin andumbelliferone were obtained from both species; however, this is thefirst report of the four compounds from lemon leaves. Xanthotoxin,found only in lime leaves is reported here for the first time fromthe genus Citrus. The anti-bilhanial activity of the crude coumarinconcentrates from the alcohol extracts of both species was foundto be just slightly less than pure isopimpinellin, a coumarin withknown high activity.
G. Haggag, E., Abdel Wahab, S., El-Zalabany, S., Abou Moustafa, E., El-Kherasy, E., & J. Mabry, T. (2010). Coumarin Content and Anti-Bilharzial Activity of Extracts of Leaves of Citrusaurantifolia (Lime) and Citrus Limonia (Lemon). Asian Journal of Chemistry, 10(3), 583–586. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/23679
