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The data of compounds in lotus leaves obtained using HREIMS (A1: the peak area of the positive group; A2: the peak area of the blank control)
| Peak no. | tR/min | Identification | Molecular formula | [M − H]− | A1/A2 (%) | ||
|---|---|---|---|---|---|---|---|
| Detected | Expected | Error/ppm | |||||
| 1 | 23.236 | Quercetin-3-O-glucuronide | C21H18O13 | 477.0663 | 477.0670 | − 1.5 | 132 |
| 2 | 24.017 | Isoquercitrin | C21H20O12 | 463.0876 | 463.0877 | − 0.2 | 109 |
| 3 | 39.950 | Quercetin | C15H10O7 | 301.0348 | 301.0349 | − 0.3 | 105 |
| 4 | 39.372 | Kaempferol | C15H10O6 | 285.0404 | 285.0399 | 1.8 | 97 |
