Antiinflammatory and Anticancer Properties of Grewia asiatica Crude Extracts and Fractions: A Bioassay-Guided Approach

Table 5

Precision validation of analytical method of three phenolic acids and four flavonoids from G. asiatica different fruit fractions.

Marker substance	Theoretical concentration; (μg/mL)	Intraday precision )		Interday precision ()
		Measured concentration; (μg/mL)	CV (%)	Measured concentration; (μg/mL)	CV (%
Catechin	400		0.04		0.19
Chlorogenic acid	230		0.75		0.10
Caffeic acid	100		0.27		0.30
Morin	500		0.11		0.22
Myricetin	150		0.75		0.55
Quercetin	20		1.1	1	0.05
Liquiritigenin	200		0.36		0.19

^aValues shared are of triplicates ^bValues shared are of triplicates for 3 days. Percent coefficient of variation (% CV); .