Table 3.
Content of phenolic acid in seeds (μg/g FW).
| Species | Form of Phenolic Acids | Gallic Acid | Caffeic Acid | p-Coumaric Acid | Ferulic Acid |
|---|---|---|---|---|---|
| NS | Free | 5.62 ± 0.01c | 1.11 ± 0.01a | 0.59 ± 0.01a | 0.17 ± 0.01 |
| Esterified | 31.56 ± 0.01c | 5.51 ± 0.01c | 3.67 ± 0.01b | 0.75 ± 0.01a | |
| Glucosided | 5.22 ± 0.03c | - | - | - | |
| Total | 142.40 ± 0.04b | 6.62 ± 0.02c | 4.26 ± 0.02b | 0.92 ± 0.02a | |
| S | Free | 15.22 ± 0.38a | 0.36 ± 0.01b | 0.08 ± 0.01b | trace |
| Esterified | 173.81 ± 4.34a | 6.69 ± 0.18b | 2.51 ± 0.01c | 0.56 ± 0.01c | |
| Glucosided | 14.97 ± 0.037b | - | - | - | |
| Total | 204.00 ± 5.10a | 7.06 ± 0.19b | 2.59 ± 0.01c | 0.56 ± 0.01c | |
| S + R | Free | 12.43 ± 0.31b | 0.13 ± 0.01c | 0.03 ± 0.01c | trace |
| Esterified | 167.62 ± 4.19b | 17.17 ± 0.50a | 5.38 ± 0.01a | 0.62 ±0.01b | |
| Glucosided | 16.06 ± 0.40a | - | - | - | |
| Total | 196.11 ± 4.90a | 20.13 ± 0.43a | 5.41 ± 0.01a | 0.62 ±0.01b |
Means for the same form of phenolic acid with the same letter bovine (a,b,c) are not significantly different (p < 0.05).