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. 2019 Aug 8;24(16):2886. doi: 10.3390/molecules24162886

Table 1.

Analytic parameters of ophiopogonins by UPLC-MS/MS in fermented broth of human gut microbiota.

No. Rt (min) Analyte Mw Precursor Ion Product Ion Entrance Voltage (V) Collision Energy (eV)
1 9.90 Ophiopogonin D 855.02 855.6 287.0 20 −55
2 9.99 Ophiopogonin D’ 855.02 855.6 253.0 20 −72
3 10.91 Ruscogenin 430.62 431.3 287.0 20 −24
4 11.95 Diosgenin 414.62 415.2 271.0 20 −23
IS 4.23 Digoxin 780.94 803.5 387.0 20 −26