Inhibition of angiotensin converting enzyme (ACE) activity by the anthocyanins delphinidin- and cyanidin-3-O-sambubiosides from Hibiscus sabdariffa - Ojeda, D; Jiménez-Ferrer, E; Zamilpa, A; Herrera-Arellano, A; Tortoriello, J; Alvarez, L (J Ethnopharmacol, 2010)