Table 1.
Changes in the flavonolignans in milk thistle seed (mg·g−1 DM) under mild (75%) and severe (50%) levels of drought stress compared with the well-watered (100%) condition.
| Field Capacity | Silymarin | Silybin | Isosilybin | Silydianin | Taxifolin | Silychristin |
|---|---|---|---|---|---|---|
| 100% | 18.77 c | 11.44 c | 3.36 b | 1.85 b | 0.83 c | 1.29 b |
| 75% | 19.91 b | 12.34 b | 3.39 b | 1.82 b | 1.04 b | 1.34 b |
| 50% | 23.76 a | 13.87 a | 4.30 a | 2.46 a | 1.38 a | 1.75 a |
| LSD * 5% | 0.776 | 0.554 | 0.464 | 0.287 | 0.167 | 0.214 |
* LSD = Least Significant Difference test. Means in the same column followed by different letters are significantly different based on Fisher’s least significant difference (LSD) test (p < 0.05).