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Recovery of biogenic amines from dietary supplement negative control (mid level)
| Compound | Amount added, μg | Amount recovered, μg | Recovery, % | RSDa, % |
|---|---|---|---|---|
| Octopamine | 508.1 | 506.3 | 99.6 | 0.165 |
| Synephrine | 557.3 | 543.6 | 97.5 | 0.219 |
| Phenylephrine | 535.4 | 572.0 | 107 | 0.671 |
| Tyramine | 498.6 | 527.0 | 106 | 0.977 |
| N-methyltyramine | 424.7 | 436.2 | 103 | 0.673 |
| Hordenine | 449.9 | 457.3 | 102 | 0.258 |
RSD = Relative standard deviation; estimated from triplicate determinations.
