Table 1

GC-MS data for methyl ester-trimethylsilyl ether derivatives of bile acids

Bile acidBase peak (m/z)Fragment ion (m/z)
CA2531-150 343368
CDCA3701-150 255355
DCA2551-150 370460
LCA2152573721-150
UDCA4602553701-150
CA-1β-ol2171-150 251366
CDCA-1β-ol2171-150 368458
HCA4581473691-150
Δ5-3β-ol1292491-150 370
Δ1-3-one2671-150 382472
Δ4-3-one3822671-150 472
Δ4, 6-3-one2671-150 382 

  • ↵1-150 Fragment ions used for selected ion monitoring.