Showing contents of wine powder

Gonthier M.P., Cheynier V., Donovan J.L., Manach C., Morand C., Mila I., Lapierre C., Remesy C., Scalbert A. (2003) Microbial aromatic acid metabolites formed in the gut account for a major fraction of the polyphenols excreted in urine of rats fed red wine polyphenols. J Nutr 133:461-7 pubmed (12566484)

Compound Mean content
(+)-Catechin 8.4 mg/g dry weight
(-)-Epicatechin 7 mg/g dry weight
Myricetin 3-O-glucoside 0.2 mg/g dry weight
Quercetin 3-O-glucoside 0.5 mg/g dry weight
Myricetin 1.3 mg/g dry weight
Quercetin 2.2 mg/g dry weight
Delphinidin 3-O-glucoside 1.5 mg/g dry weight
Cyanidin 3-O-glucoside 0.4 mg/g dry weight
Petunidin 3-O-glucoside 1.3 mg/g dry weight
Peonidin 3-O-glucoside 1.2 mg/g dry weight
Malvidin 3-O-glucoside 7.2 mg/g dry weight
Malvidin 3-O-(6''-p-coumaroyl-glucoside) 1.9 mg/g dry weight
Gallic acid 5.6 mg/g dry weight
Proanthocyanidins, total 146 mg/g dry weight
Polyphenols, total 299 mg/g dry weight