Table 1.
Phenolic acids and flavonoids content in the pea pods water-based extracts.
| Compounds | Averange (mg/100 g) | ±SD |
|---|---|---|
| PHENOLIC ACIDS | ||
| Cinnamic acid | ||
| Quinic acid | 7.20 | 0.91 |
| 5-caffeoylquinic acid | 59.87 | 0.73 |
| p-Coumaric acid | N.D. | |
| Ferulic acid | N.D. | |
| Rosamarinic acid | 0.78 | 0.31 |
| SUM | 67.85 | 0.65 |
| Benzoic Acid | ||
| Gallic acid | 5.30 | 0.69 |
| Protocatechuic acid | N.D. | |
| SUM | 5.30 | 0.69 |
| FLAVONOIDS | ||
| Flavones | ||
| Luteolin | 0.42 | 0.12 |
| Apigenin-7-O-glucoside | N.D. | |
| Apigenin | 0.12 | 0.01 |
| Diosmin | <LOD | |
| Kaemferol 3-glucoside | 3.50 | 0.16 |
| SUM | 3.62 | 0.10 |
| Flavanols | ||
| Catechin | 16.87 | 0.10 |
| Epicatechin | 29.46 | 0.41 |
| SUM | 46.33 | 0.25 |
| Flavanones | ||
| Naringenin | 1.67 | 0.04 |
| Naringin | N.D. | |
| Hesperidin | 19.94 | 3.62 |
| SUM | 21.61 | 1.83 |
| Flavonols | ||
| Isorhamnetin 3-rutinoside | N.D. | |
| Quercetin | 2.70 | 0.09 |
| Quercetin 3-galattoside | 0.73 | 0.00 |
| Rutin | 14.63 | 1.47 |
| SUM | 18.06 | 0.52 |
| Isoflavone | ||
| Genistein | 7.41 | 0.05 |
| Myricetin | 8.59 | 0.09 |
| Daidzein | N.D. | |
| SUM | 16.00 | 0.07 |
| TOTAL (POLY)PHENOLS | 178.79 | 0.59 |
N.D., not detected.