Transport of Corilagin, Gallic Acid, and Ellagic Acid from Fructus Phyllanthi Tannin Fraction in Caco-2 Cell Monolayers

Table 1

The intraday and interday precision and recovery of corilagin, GA, and EA in PTF.

Chemicals	Standard samples (ng/mL)	Intraday		Interday		Mean recovery (%)
		Mean (ng/mL)	RSD (%)	Mean (ng/mL)	RSD (%)
Corilagin	32.65	39.48	3.44	38.24	4.48	117.12
	163.25	156.08	2.65	153.83	4.42	94.23
	326.50	308.63	3.22	301.89	4.11	92.46
Gallic acid	10.08	10.44	2.55	10.06	4.77	99.80
	50.40	47.25	3.26	47.05	3.37	93.35
	252.00	234.92	2.06	237.83	2.99	94.38
Ellagic acid	98.88	117.00	2.47	117.44	2.43	118.77
	494.40	519.71	1.97	503.26	4.01	101.79
	988.80	952.80	2.95	930.62	4.11	94.16

Recovery (%) = 100 × (amount found − original amount)/original amount.