Table 2: Parameters of the EPR spectra of thermally sterilized dehydrocholic acid (DH) and also ursodeoxycholic acid (UDC).

CompoundConditions  a. u.
±0.02
  a. u.
±0.02

mT
±0.02

spin/g
±0.02

±0.02

±0.02

±0.0002

DH 160°C
(120 minutes)
0.040.040.151.200.950.471.9983
170°C
(60 minutes)
0.020.010.130.501.000.341.9979
180°C
(30 minutes)
0.070.090.102.801.340.651.9954

UDC160°C
(120 minutes)
0.080.500.4215.300.611.561.9985
170°C
(60 minutes)
0.362.520.4458.200.880.921.9982
180°C
(30 minutes)
0.455.210.55122.300.900.981.9961

Notes. —amplitude of signal; —integral intensity; and —the asymmetry parameters; —line-width of EPR signal; —free radical concentrations; —factor.