Robuta

https://www.scienceblogs.com/moleculeoftheday/2006/10/25/arecoline-chew-on-this Arecoline (Chew on this) | ScienceBlogs Arecoline is a compound that occurs in the seed of the betel palm. It's taken by chewing the nut. chew on thisarecolinescienceblogs https://www.frontiersin.org/journals/integrative-neuroscience/articles/10.3389/fnint.2025.1545260/full Frontiers | Modulation of neural activity and gene expression by arecoline Arecoline, a biologically active alkaloid extracted from the areca nut, serves as the primary psychoactive ingredient in betel quid, one of the most widely c... neural activitygene expressionfrontiersmodulationarecoline