TABLE 1.
Retention data of bile acid 24-phenacyl esters
| CA (1) | CDCA (2) | DCA (3) | LCA (4) | UDCA (5) | isoDCA (8) | isoLCA (9) | isoLCA-Δ5 (24) | 7Keto-DCA (33) | 7Keto-LCA (34) | LCA-3-one (35) | norDCA (IS) (36) | |
| Retention time (min) | 12.70 ± 0.03 | 22.05 ± 0.06 | 23.98 ± 0.06 | 46.08 ± 0.12 | 9.68 ± 0.03 | 13.76 ± 0.04 | 42.39 ± 0.12 | 39.07 ± 0.11 | 7.27 ± 0.02 | 11.78 ± 0.03 | 50.14 ± 0.14 | 18.21 ± 0.05 |
| Relative retention time to IS | 0.70 ± 0.00 | 1.21 ± 0.00 | 1.32 ± 0.00 | 2.53 ± 0.00 | 0.53 ± 0.00 | 0.76 ± 0.00 | 2.33 ± 0.00 | 2.15 ± 0.00 | 0.40 ± 0.00 | 0.65 ± 0.00 | 2.75 ± 0.00 | — |
Values are expressed as mean ± SD (n = 7). Abbreviations of bile acids and their compound numbers in parentheses are given in the Appendix.