Figure 2.
Chromatograms of the investigated BAs and oxo derivatives. 3α,6β,7α-trihydroxy-5β-cholan-24-oic acid (1), 3α,6β,7β-trihydroxy-5β-cholan-24-oic acid (2), 3α,6α,7α-trihydroxy-5β-cholan-24-oic acid (3), 3α,7α,12α-trihydroxy-5β-cholan-24-oic acid (4), 7α,12β-dihydroxy-3-oxo-5β-cholan-24-oic acid (5), 7β,12α-dihydroxy-3-oxo-5β-cholan-24-oic acid (6), 3α,6α-dihydroxy-7-oxo-5β-cholan-24-oic acid (7), 3α,12α-dihydroxy-7-oxo-5β-cholan-24-oic acid (8), 3α,7α-dihydroxy-12-oxo-5β-cholan-24-oic acid (9), 6α,7α-dihydroxy-3-oxo-5β-cholan-24-oic acid (10), 7α,12α-dihydroxy-3-oxo-5β-cholan-24-oic acid (11), 3α,7β-dihydroxy-5β-cholan-24-oic acid (12), 3α,6α-dihydroxy-5β-cholan-24-oic acid (13), 3α,7α-dihydroxy-5β-cholan-24-oic acid (14), 3α,12α-dihydroxy-5β-cholan-24-oic acid (15), 7β-hydroxy-3-oxo-5β-cholan-24-oic acid (16), 6α-hydroxy-3-oxo-5β-cholan-24-oic acid (17), 3α-hydroxy-6-oxo-5β-cholan-24-oic acid (18), 3α-hydroxy-7-oxo-5β-cholan-24-oic acid (19), 12β-hydroxy-3-oxo-5β-cholan-24-oic acid (20), 3α-hydroxy-12-oxo-5β-cholan-24-oic acid (21), 7α-hydroxy-3-oxo-5β-cholan-24-oic acid (22), 12α-hydroxy-3-oxo-5β-cholan-24-oic acid (23), 3,7-dioxo-5β-cholan-24-oic acid (24), 3,12-dioxo-5β-cholan-24-oic acid (25), 3,6-dioxo-5β-cholan-24-oic acid (26), 3,7,12-trioxo-5β-cholan-24-oic acid (27), 3α-hydroxy-6,7-dioxo-5β-cholan-24-oic acid (28), 3-oxo-5β-cholan-24-oic acid (29), 3α-hydroxy-5β-cholan-24-oic acid (30).