IR and 1H-NMR based differentiation of stem bark of Saraca asoca from its most commonly used adulterant Polyalthia longifolia. Indian J Nat Prod Resour [Internet]. 2024 Jan. 8 [cited 2026 May 14];14(4):640-5. Available from: https://or.niscpr.res.in/index.php/IJNPR/article/view/6302