Table 4.
Tentative assignment | Molecular formula | Detected ion (m/z) | Chewed grass | Grasshopper | Excrements |
---|---|---|---|---|---|
Dehydroquinic acid | C7H10O6 | [M+Na]+213 | − | x | x |
Quinic acid | C7H12O6 | [M+Na]+215 | x | x | x |
Apigenin | C15H10O5 | [M+H]+271 | x | − | − |
Luteolin | C15H10O6 | [M+Na]+309 | x | − | − |
Tricin | C17H14O7 | [M+H]+331 | x | − | − |
Rosmarinic acid | C18H16O8 | [M+Na]+383 | x | − | − |