TABLE 1

HRESIMS data and quantitative analysis of each metabolite in urine

Calibration curve and regression equation of 1: y = (5.89969 ± 0.21303)x − (65.20 ± 2.67), where y is peak area detected at 260 nm, x is the amount (10–1000 ng, n = 3) of 1. The correlation coefficient (r2) is 0.9994.

CpdsMolecular FormulaHRESIMSQuantitative Analysis
Parent Ionm/z Observed (Calc.)ErrorλmaxtRAmount in Urine%d
ppmnmminμmol
1260.0, 298.5 (sh)36.519.59 ± 0.202.64
M1C15H20O4[M + H]+265.1430 (265.1434)−1.7259.0, 328.5 (sh)14.1221.78 ± 0.226.00
M2C15H20O4[M + Na]+287.1241 (287.1254)−4.5257.5, 299.0 (sh)20.2017.16 ± 4.844.73
M3C15H20O4[M + Na]+287.1241 (287.1254)−4.5259.5, 329.0 (sh)20.7418.29 ± 0.195.04
M4C15H16O4[M + Na]+283.0941 (283.0941)−0.1254.523.375.21 ± 0.231.44
M5C21H26O10[M − H]437.1442 (437.1453)−2.5258.024.606.81 ± 0.331.88
M6C14H18O3[M + Na]+257.1144 (257.1148)−1.7260.925.275.84 ± 0.461.61
M7C15H18O5[M − H]277.1077 (277.1081)−1.4259.526.118.36 ± 1.402.30
M8C14H18O3[M + Na]+257.1145 (257.1148)−1.4260.927.600.64a0.18
M9C21H28O9[M − H]423.1657 (423.1661)−0.9260.0, 292.0 (sh)29.6143.87 ± 2.32b12.09
M10C14H18O3[M + Na]+257.1142 (257.1148)−2.4256.0, 293.5 (sh)29.612.47b0.68
M11C15H16O4[M + Na]+283.0941 (283.0941)+0.2260.0, 326.0 (sh)29.612.02b0.56
M12C21H28O9[M − H]423.1643 (423.1661)−4.3259.532.087.76 ± 1.582.14
M13C14H18O3[M + Na]+257.1145 (257.1148)−1.4259.9, 325.0 (sh)35.090.19c0.05
M14C15H18O4[M − H]261.1133 (261.1132)+0.4261.5, 295.5 (sh)37.2740.83 ± 0.4911.25
M15C20H26O8[M − H]393.1560 (395.1555)+1.3259.0, 294.5 (sh)44.2013.72 ± 0.273.78
M16C16H20O4[M + Na]+299.1260 (299.1254)+2.1260.0, 302.4 (sh)45.334.41 ± 0.011.21
M17C14H18O3[M + Na]+257.1147 (257.1148)+0.4261.5, 300.9 (sh)46.200.36c0.10
M18C14H16O3[M − H]231.1023 (231.1027)−1.5258.6, 300.3 (sh)48.395.03 ± 0.041.39
M19C14H18O2[M + Na]+241.1200 (241.1199)+0.2258.5, 293.5 (sh)49.5444.67 ± 0.5512.31
Total71.38
  • a Having the same retention time to the endogenous compound, and its amount being estimated from fraction U8-2 (Fig. 3b) (see Results).

  • b Three metabolites having the same retention time, and their amounts being estimated from the urine residue of the treated group (Fig. 4), U3-B-2, and U8-2 (Fig. 3) (see Results).

  • c Metabolites not detected in the urine residue of the treated group, and the amount estimated from fractions U3-B-2 and U8-2 (Fig. 3) (see Results).

  • d Calculated by the amount of each metabolite/the amount of 1 (intragastrically administered) × 100%.