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Comparison between MS and DAD detector.
| Standard | Slope UV | Slope MS | Ratio MS/UV |
|---|---|---|---|
| Gallic acid | 1.3 × 106 | 3.0 × 107 | 24 |
| Protocatechuic acid | 1.7 × 106 | 3.7 × 107 | 21 |
| (+)-Catechin | 4.3 × 105 | 7.4 × 107 | 174 |
| Vanillic acid | 2.0 × 106 | 4.3 × 107 | 21 |
| Caffeic acid | 2.5 × 106 | 8.9 × 107 | 36 |
| (−)-Epicatechin | 4.3 × 105 | 8.0 × 107 | 186 |
| p-coumaric acid | 2.8 × 106 | 7.9 × 107 | 28 |
| t-Ferulic acid | 2.8 × 106 | 8.6 × 107 | 32 |
| Sinapinic acid | 2.5 × 106 | 1.4 × 108 | 53 |
