Table 2. Mass spectrometry conditions—transitions, retention times, collision energies (the analytes marked by * were used for quantification).
Compound name | Precursor ion | Product ion | RT (min) | Collision energy |
---|---|---|---|---|
d7-K1 | 458.3 | 194.1 | 4.8 | 24 |
Vitamin K1 | 451.4 | 199.2 | 4.8 | 32 |
Vitamin K1* | 451.4 | 187.1 | 4.8 | 24 |
d7-MK-4 | 452.4 | 194.1 | 3.1 | 20 |
MK-4 | 445.3 | 227.1 | 3.1 | 24 |
MK-4* | 445.3 | 187 | 3.1 | 20 |
d7-MK-7 | 656.5 | 194.1 | 7.9 | 32 |
MK-7 | 649.5 | 227.2 | 7.9 | 32 |
MK-7* | 649.5 | 187 | 7.9 | 32 |