Table 3.

Standard curve of compounds.

Compounds	LLOQ (μg·mL-1)	linear ranger (μg·mL-1)	Linear regression equation	Correlation coefficient (r)
Narirutin	0.115	0.1148-58.8	Y=0.078X+0.0027	0.9998
Calycosin-7-O-β-D-glucoside	0.011	0.011-14.71	Y=6.1821X-0.7872	0.9990
Liquiritin	0.011	0.011-7.35	Y=0.4695X- 0.0299	0.9995
Nobiletin	0.011	0.011-3.68	Y=106.77X-5.8926	0.9970
Hesperetin	0.011	0.011-7.35	Y=0.3739X-0.1658	0.9988
Tanshinone IIA	0.011	0.011-58.8	Y=0.228X-0.0075	0.9989
Calycosin	0.011	0.011-3.68	Y=7.4149X-0.0274	0.9979
Formononetin	0.011	0.011-0.92	Y=3.3123X-0.0241	0.9997
Stachydrine	0.011	0.011-7.35	Y=0.1754X+0.0506	0.9998
Betaine	0.114	0.114-58.8	Y=0.2471X+1.0458	0.9983
Dioscin	0.011	0.011-58.8	Y=0.0088X+0.0114	0.9996
Astragaloside IV	0.115	0.115-58.8	Y=0.0003X+0.0006	0.9951
Acteoside	0.92	0.92-58.8	Y=0.0051X-0.0027	0.9980
Rosmarinic acid	0.011	0.0114-58.8	Y=0.0266X-0.0211	0.9990
Rhein	0.011	0.0114-58.8	Y=0.036X+0.0319	0.9988