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Vitamin and sterol contents in root, stem, and leaf parts of watercress (N_ officinale R_Br_) (µg · g−1)_
| Vitamin and sterol | Root | Stem | Leaf |
|---|---|---|---|
| K2 | 0.02 | 0.02 | 1.57 |
| δ-tocopherol | 0.02 | - | 0.12 |
| D2 | - | 0.3 | 0.72 |
| D3 | 0.02 | 0.3 | 0.42 |
| α-tocopherol | 0.07 | - | 0.3 |
| Ergosterol | 82.57 | 116.32 | 416.5 |
| K1 | 0.17 | 0.85 | 0.77 |
| Sterol | 3.35 | 4.3 | 3.92 |
| β-sitosterol | 12.25 | 23.4 | 11.25 |
| Retinol | 0.02 | - | 0.02 |
| Retinol acetate | 0.2 | - | 0.95 |
Fatty acid composition in the root, stem, and leaf parts of watercress (N_ officinale R_Br_) (%)_
| Fatty acids | Root | Stem | Leaf |
|---|---|---|---|
| C10:0 | 6.37 | 5.05 | 1.76 |
| C12:0 | 6.68 | 5.24 | 1.86 |
| C14:0 | 4.50 | 4.31 | 5.43 |
| C15:01 | 5.18 | 7.22 | 3.00 |
| C16:0 | 20.50 | 17.73 | 18.49 |
| C16:1 n-7 | 2.49 | 0.78 | 1.04 |
| C17:0 | 0.57 | 0.40 | 0.24 |
| C17:01 | 0.43 | 0.58 | 0.14 |
| C18:0 | 5.95 | 6.84 | 12.09 |
| C18:1 n9 c | 2.99 | 7.33 | 1.23 |
| C18:1 n11 | 1.28 | - | 0.59 |
| C18:2 n6 t | 8.34 | 7.90 | 5.67 |
| C18:2 n-6 c | 11.96 | 16.19 | 5.94 |
| C18: n3 LNA | 22.71 | 17.37 | 42.45 |