Table 4 Quantitative analysis of a methanolic BM extract using LC-QQQ-MS
Abundance % (w/w) | Abundance % (w/w) | MRM Transition (Precursor or Product) | Polarity | Fragmentor | Collision Energy | Retention Time |
|---|---|---|---|---|---|---|
trans-Chalcone | 0.30 | 209/103 | positive | 130 | 40 | 10.2 |
Flavone | < 0.01 | 223/129 | positive | 130 | 40 | 8.4 |
Caffeine | 0.25 | 195/123 | positive | 130 | 40 | 2.2 |
Gallic acid | < 0.01 | 169/125 | negative | 90 | 15 | 0.9 |
Quercetin | 0.62 | 301/151 | negative | 90 | 15 | 5.5 |
Caffeic acid | < 0.01 | 179/135 | negative | 100 | 20 | 2.5 |
Catechin | 3.02 | 289/245 | negative | 100 | 20 | 2.2 |