Table 1 Concentration of the detected metabolites in both river waters and plant extracts
From: Non-target screening for detecting the occurrence of plant metabolites in river waters
Metabolites | Formula | CAS no | Precursor ion (m/z) | Retention time (min) | MDL (µg/L) | River water | Plant extracts | ||
|---|---|---|---|---|---|---|---|---|---|
Detection frequency | Concentration range (min–max, µg/L) | Detection frequency | Aqueous extractable concentration range (min–max, µg/g) | ||||||
Adenine | C5H5N5 | 73-24-5 | 136.0619 | 0.8 | 0.2 | 7 | 0.4–2.6 | 5 | 35.0–59.3 |
Alpinetin | C16H14O4 | 36052-37-6 | 271.0962 | 10.3 | 0.004 | 2 | 0.023–0.050 | 0 | ND |
Apiin | C26H28O14 | 26544-34-3 | 565.1547 | 9.1 | 0.5 | 4 | 1.2–5.1 | 1 | 21.7 |
Cynaroside | C21H20O11 | 5373-11-5 | 449.1073 | 8.6 | 0.050 | 5 | 0.2–2.1 | 3 | 11.1–50.6 |
Guanosine | C10H13N5O5 | 118-00-3 | 284.0984 | 1.0 | 0.2 | 4 | 1.1–4.0 | 5 | 42.8–189.5 |
Hyperoside | C21H20O12 | 482-36-0 | 465.1017 | 8.6 | 0.3 | 2 | 3.8–4.0 | 2 | 18.9–22.6 |
Isofraxidin | C11H10O5 | 486-21-5 | 223.0599 | 7.4 | 0.014 | 7 | 0.020–0.300 | 5 | 0.01–16.8 |
Kaempferitrin | C27H30O14 | 482-38-2 | 579.171 | 9.3 | 0.050 | 1 | 0.9 | 0 | ND |
Kaempferol | C15H10O6 | 520-18-3 | 287.0548 | 10.6 | – | 3 | NQ | 3 | NQ |
Nicotiflorin | C27H30O15 | 17650-84-9 | 595.165 | 9.2 | 0.2 | 3 | 1.9–2.2 | 1 | 88.0 |
Quercetin | C15H10O7 | 117-39-5 | 303.0496 | 8.6 | 0.6 | 2 | 1.9–2.5 | 2 | 54.6–74.7 |
Trifolin | C21H20O11 | 23627-87-4 | 449.1073 | 9.1 | 0.2 | 3 | 0.3–2.9 | 4 | 25.0–36.0 |