Phytochemical Analysis of Quercetin, Catechol and Tannic Acid in Ethanol Extract of Barleria Prionitis Linn Leaf by RP-HPLC Technique: http://www.doi.org/10.26538/tjnpr/v6i12.16. Tropical Journal of Natural Product Research , [S. l.], v. 6, n. 12, p. 1990–1999, 2022. Disponível em: https://tjnpr.org/index.php/home/article/view/1405. Acesso em: 10 jan. 2026.