Research Article
Simultaneous Determination of Salicylic Acid, Jasmonic Acid, Methyl Salicylate, and Methyl Jasmonate from Ulmus pumila Leaves by GC-MS
Table 6
Recovery of four signal compounds from spiked samples at three concentrations.
| Compounds | Added (μg⋅mg−1) | Measured (μg⋅mg−1) | Recovery (%) | Precision (RSD, %) |
| Salicylic acid | 1.0 | 0.87 | 0.77 | 0.84 | 0.78 | 0.65 | 78.2 | 10.39 | 5.0 | 4.85 | 4.32 | 4.08 | 4.10 | 4.89 | 89.0 | 9.15 | 10.0 | 9.87 | 8.94 | 8.80 | 9.52 | 8.97 | 92.2 | 4.91 |
| Jasmonic acid | 1.0 | 0.88 | 0.74 | 0.68 | 0.69 | 0.70 | 73.8 | 11.05 | 5.0 | 4.02 | 4.28 | 4.52 | 4.87 | 4.68 | 89.5 | 7.54 | 10.0 | 9.89 | 8.97 | 9.21 | 9.35 | 8.62 | 92.1 | 5.04 |
| Methyl salicylate | 1.0 | 0.94 | 0.91 | 0.88 | 0.91 | 0.85 | 89.8 | 3.76 | 5.0 | 4.91 | 4.57 | 4.87 | 4.98 | 4.08 | 93.6 | 7.68 | 10.0 | 10.25 | 10.67 | 9.75 | 11.21 | 9.63 | 103.0 | 6.26 |
| Methyl jasmonate | 1.0 | 0.95 | 0.91 | 0.89 | 0.98 | 0.98 | 94.21 | 4.38 | 5.0 | 4.85 | 4.96 | 4.89 | 4.91 | 5.12 | 98.92 | 2.14 | 10.0 | 10.69 | 9.97 | 9.85 | 9.05 | 9.27 | 97.66 | 6.52 |
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