Sample | Area ratio (AR) | Intensity ratio (IR) |
---|
| 20 h | 240 h | 20 h | 240 h |
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Untreated leaf | 0.59 | 0.92 | 1.26 | +∞ |
Untreated stem | 0.65 | 0.90 | 1.13 | 0.98 |
HT-treated leaf | 0.58 | 0.88 | 1.11 | 1.06 |
HT-treated stem | 0.62 | 0.91 | 0.89 | 1.07 |
- Data presented as the average of four replicates. AR is the ratio of peak area at OD-stretching (2,800 to 2,159 cm−1) to the total hydroxyl-stretching (2,800 to 2,159 cm−1 and 3,700 to 3,000 cm−1). IR is the ratio of peak intensity at 2,478 cm−1 to 2,362 cm−1.