Shirazi, O. U. ., Khattak, M. M. A. K. ., & Shukri, N. A. M. . (2020). Chromatographic evaluation of gallic acid, catechin and quercetin in methanolic extracts of selected formulations of spices and herbs. Progress in Nutrition, 21(2-S), 236–251. https://doi.org/10.23751/pn.v21i2-S.5417