Table 2.

Calibration curves of the analytes.

Analytes	Calibration curve	Linear range (ng/mL)	R 2	LOQ (ng/mL)
Gallic acid	Y = 2E + 06X − 30393	4.92∼93.60	0.9991	2.56
Punicalagin A	Y = 3E + 06X − 66826	2.88∼69.70	0.9992	1.44
Punicalagin B	Y = 2E + 06X − 77857	5.27∼125.50	0.9993	1.03
Methyl gallate	Y = 3E + 06X − 55968	2.33∼74.55	0.9991	0.46
Geraniin	Y = 741189X − 29791	6.00∼192.00	0.9994	1.20
Corilagin	Y = 844347X − 75313	13.75∼440.00	0.9997	0.28
Chebulinic acid	Y = 4E + 06X − 87496	2.74∼87.65	0.9991	1.35
Chebulagic acid	Y = 886311X − 15698	2.10∼67.20	0.9993	1.05
Ellagic acid	Y = 1E + 06X − 6569.3	0.45∼144.00	0.9993	0.22