TABLE 2

Bile acid standards and parameters for LC-MS/MS

NameSymbolm/zInternal StandardDeclustering 
PotentialCollision EnergyCell Exist Potential
VeVV
Cholic acidCA407.3→407.3CA-d4−125−25−5
α-Muricholic acidα-MCA407.3→407.3CA-d4−125−25−5
β-Muricholic acidβ-MCA407.3→407.3CA-d4−125−25−5
ω-Muricholic acidω-MCA407.3→407.3CA-d4−125−25−5
Chenodeoxycholic acidCDCA391.3→391.3CDCA-d4−130−25−5
Deoxycholic acidDCA391.3→391.3DCA-d4−130−25−5
Muricholic acidMCA391.3→391.3CA-d4−130−25−5
Ursodeoxycholic acidUDCA391.3→391.3CDCA-d4−130−25−5
Lithocholic acidLCA375.3→375.3LCA-d4−120−23−5
Glycocholic acidG-CA464.3→73.9CA-d4−85−74−5
Glycoursodeoxycholic acidgUDCA448.3→73.9CDCA-d4−80−74−5
Glycodeoxycholic acidgDCA448.3→73.9CDCA-d4−80−74−5
Glycochenodeoxycholic acidgCDCA448.3→73.9CDCA-d4−80−74−5
Glycolithocholic acidgLCA432.3→73.9LCA-d4−80−64−5
Taurocholic acidtCA514.3→79.9CA-d4−120−120−5
Tauro-α-muricholic acidtα-MCA514.3→79.9CA-d4−120−120−5
Tauro-β-muricholic acidtβ-MCA514.3→79.9CA-d4−120−120−5
Tauro-ω-muricholic acidtω-MCA514.3→79.9CA-d4−120−120−5
Tauroursodeoxycholic acidtUDCA498.3→79.9CDCA-d4−110−120−5
Taurochenodeoxycholic acidtCDCA498.3→79.9CDCA-d4−110−120−5
Taurodeoxycholic acidtDCA498.3→79.9DCA-d4−110−120−5
Taurolithocholic acidtLCA482.3→79.9LCA-d4−130−120−5
Cholic-2,2,-4-4-d4 acidCA-d4411.3→411.3−125−25−5
Deoxycholic-2,2,-4-4-d4 acidDCA-d4395.3→395.3−130−25−5
Chenodeoxycholic-2,2,-4-4-d4 acidCDCA-d4395.3→395.3−130−25−5
Lithocholic-2,2,-4-4-d4 acidLCA-d4379.3→379.3−120−23−5