“Simultaneous Determination of Chlorogenic Acid, Caffeic Acid and Caffeine in Hydroalcoholic and Aqueous Extracts of Ilex Paraguariensis by HPLC and Correlation With Antioxidant Capacity of the Extracts by DPPH· Reduction”. Revista Brasileira de Ciências Farmacêuticas 43, no. 2 (June 1, 2007): 215–222. Accessed June 15, 2024. https://www.periodicos.usp.br/rbcf/article/view/44199.