Table 2.
Phenolic Compounds | GS Meal | GK Meal | |
---|---|---|---|
Flavanol monomers | Catechin | 108.0 ± 5.1 | 11.6 ± 0.60 |
Epicatechin | 93.5 ± 7.0 | 9.68 ± 0.73 | |
Epicatechin 3-O-gallate | 5.21 ± 0.10 | 0.71 ± 0.01 | |
Flavanol dimers | Procyanidin B1 | 32.0 ± 1.11 | 3.81 ± 0.14 |
Procyanidin B2 | 32.9 ± 1.14 | 4.26 ± 0.16 | |
Procyanidin B3 | 30.2 ± 1.82 | 1.51 ± 0.29 | |
Procyanidin gallate 1 1 | 8.72 ± 0.84 | 3.04 ± 0.15 | |
Procyanidin gallate 2 1 | 29.4 ± 3.13 | 4.67 ± 0.32 | |
Flavanol trimers | Procyanidin C1 | 19.7 ± 1.52 | 2.92 ± 0.23 |
Procyanidin trimer 2 2 | 6.99 ± 0.52 | 1.16 ± 0.09 | |
Procyanidin trimer 3 2 | 16.7 ± 1.61 | 2.29 ± 0.23 | |
Procyanidin trimer 4 2 | 8.43 ± 0.58 | 1.25 ± 0.09 | |
Flavanol tetramers | Procyanidin cinnamtannin A2 | 25.7 ± 0.69 | 5.20 ± 0.14 |
Procyanidin tetramer 3 | 9.78 ± 0.10 | 3.55 ± 0.20 | |
Phenolic acids | Gallic acid | 72.2 ± 5.60 | 39.1 ± 3.80 |
Caftaric acid | nd 4 | 25.2 ± 2.50 | |
Fertaric acid | nd | 14.1 ± 0.50 | |
Coutaric acid | nd | 9.78 ± 0.30 | |
Total extractable polyphenols, g GAE 5/100 g DM | 7.93 ± 0.60 | 2.35 ± 0.14 |
1 Compounds identified by prediction of chemical formula from accurate ion mass measurement. Quantified by using the calibration curve of procyanidin B2. 2 Compounds identified by prediction of chemical formula from accurate ion mass measurement. Quantified by using the calibration curve of procyanidin C1. 3 Compounds identified by prediction of chemical formula from accurate ion mass measurement. Quantified by using the calibration curve of cinnamtannin A2. 4 nd: not detected. 5 GAE: gallic acid equivalents.