Chemical variability in gymnemagenin, deacyl gymnemic acid, lupeol and stigmasterol of Gymnema sylvestre R. Br. populations in India. IJTK [Internet]. 2023 Dec. 13 [cited 2026 May 15];22(4):761-9. Available from: https://or.niscpr.res.in/index.php/IJTK/article/view/7200