IR and 1H-NMR based differentiation of stem bark of Saraca asoca from its most commonly used adulterant Polyalthia longifolia. Indian Journal of Natural Products and Resources (IJNPR) [Formerly Natural Product Radiance (NPR)], [S. l.], v. 14, n. 4, p. 640–650, 2024. DOI: 10.56042/ijnpr.v14i4.6302. Disponível em: https://or.niscpr.res.in/index.php/IJNPR/article/view/6302. Acesso em: 14 may. 2026.