Table 1 Six metabolites involved in melatonin biosynthesis in hickory embryos
Compounds | Q1 (Da) | Q3 (Da) | Rt (min) | Molecular weight (Da) | Ionization model |
---|---|---|---|---|---|
L-tryptophan | 203.0 | 116.1 | 2.39 | 204.0899 | [M − H]− |
N-acetylserotonin | 219.0 | 160.1 | 3.32 | 218.1060 | [M + H]+ |
5-hydroxy-L-tryptophan | 221.1 | 114.8 | 1.66 | 220.0850 | [M + H]+ |
L-tryptamine | 161.1 | 144.2 | 2.74 | 160.1000 | [M + H]+ |
Serotonin | 177.0 | 160.2 | 1.63 | 176.0950 | [M + H]+ |
Melatonin | 231.0 | 144.1 | 4.16 | 232.1210 | [M − H]− |