Research Article
The Antioxidant Effects of a Polyphenol-Rich Grape Pomace Extract In Vitro Do Not Correspond In Vivo Using Exercise as an Oxidant Stimulus
Table 1
Polyphenolic composition of the Batiki Tyrnavou grape pomace extract.
| | Polyphenols | Rt (min) | m/z [M±H]± |
| | Flavan-3-ols | | | | Catechin | 3.83 | 291.0863 [M+H]+
289.0707 [M−H]− | | Epicatecin | 5.93 | 291.0863 [M+H]+
289.0707 [M−H]− | | Epicatechin-3-gallate | 9.25 | 441.0816 [M−H]− | | Anthocyanidins | | | | Cyanidin | 9.25 | 609.1467 [M−H]− | | Malvidin | 11.74 | 331.0812 [M+H]+ | | Delphinidin | 13.55 | 301.0359 [M−H]− | | Petunidin | 15.99 | 315.0516 [M−H]− | | Anthocyanins | | | | Myrtillin | 9.53 | 463.0888 [M−H]− | | Kuromanin | 10.63 | 447.0939 [M−H]− | | Oenin | 6.72 | 491.1201 [M−H]− | | Peonidin-3-O-glucoside | 5.76 | 463.1235 [M+H]+ | | Phenolic acids | | | | Gallic acid | 0.78 | 169.0147 [M−H]− | | Caftaric acid | 26.18 | 311.0398 [M−H]− | | Flavonols | | | | Quercetin | 9.56 | 301.0357 [M−H]− | | Kaempferol | 15.79 | 285.0407 [M−H]− |
| | TPC (total polyphenol content) | | 648 (mg gallic acid/g extract) |
|
|
