Table 1.
LC-MS data of ginsenoside Rb1 and compound K identified in plasma after oral administration of American ginseng.
Subject | Ginsenoside Rb1 | Compound K | |||||
---|---|---|---|---|---|---|---|
m/z | Calc m/z | Diff (ppm) | m/z | Calc m/z | Diff (ppm) | ||
Asian-diet | 1 | 1153.6023 | 1153.6011 | −1.04 | 667.4439 | 667.4427 | −1.97 |
2 | 1153.6018 | 1153.6011 | −0.59 | 667.4420 | 667.4427 | 1.08 | |
3 | 1153.6010 | 1153.6011 | 0.13 | 667.4413 | 667.4427 | 2.20 | |
Western-diet | 4 | 1153.6025 | 1153.6011 | −1.22 | 667.4424 | 667.4427 | 0.44 |
5 | 1153.5993 | 1153.6011 | 1.66 | 667.4435 | 667.4427 | −1.33 | |
6 | 1153.6037 | 1153.6011 | −2.31 | 667.4432 | 667.4427 | −0.85 |
The typical solvent adducts [M+HCOO]− observed in the negative mode of both compounds.
Calc m/z, calculated m/z; Diff (ppm), difference between m/z and Calc m/z in ppm.