Metabolomics of Fuzi-Gancao in CCl4 induced acute liver injury and its regulatory effect on bile acid profile in rats

Table 8 Standard curve, R², and concentration range of 11 bile acids in serum

Compound	Standard curve	R²	Range (ng/mL)
CDCA	Y = 0.0235X - 0.0056	0.9981	2.5-1000
UDCA	Y = 0.0013X + 0.2156	0.9972	1.25-500
GCA	Y = 0.0164X + 1.1577	0.9956	1.25-500
GDCA	Y = 0.0025X + 0.833	0.9982	1.25-500
TCA	Y = 0.0198X - 0.0113	0.9953	1.25-500
TUDCA	Y = 0.0332X + 0.0023	0.9985	2.5-1000
TCDCA	Y = 0.0306X + 0.00422	0.9923	2.5-1000
GCDCA	Y = 0.0133X - 0.00324	0.9915	2.5-1000
GLCA	Y = 0.0018X + 0.00242	0.9931	2.5-1000
DCA	Y = 0.0076X + 0.00614	0.9956	2.5-1000
CA	Y = 0.0916X - 0.00465	0.9987	2.5-1000

CDCA: Chenodeoxycholic acid; UDCA: Ursodeoxycholic acid; GCA: Glycocholic acid; GDCA: Glycochenodeoxycholic acid; TCA: Taurocholic acid; TUDCA: Taurocholic acid; GCDCA: Glycochenodeoxycholic acid; GLCA: Glycinic acid; DCA: Deoxycholic acid; CA: Cholic acid.