Publications for Caffeic acid being present in White wine grape

1. Munoz-Gonzalez I, Jimenez-Giron A, Martin-Alvarez PJ, Bartolome B, Moreno-Arribas MV: Profiling of microbial-derived phenolic metabolites in human feces after moderate red wine intake. J Agric Food Chem. 2013 Oct 2;61(39):9470-9. doi: 10.1021/jf4025135. Epub 2013 Sep 19. [PubMed:24010549 ]
2. Fracassetti D, Lawrenceb,. Tredoux A G J,Tirelli A, Nieuwoudtb H H, Du Toit W J: Quantification of glutathione, catechin and caffeic acid in grape juice and wine by a novel ultra-performance liquid chromatography method Food Chemistry. October 15;1287(4):1136-1142.
3. Jirí Gruz, Ondrej Novák, Miroslav Strnad: Rapid analysis of phenolic acids in beverages by UPLC–MS/MS Food Chemistry. December 1;111(3):789-794.