Validated HPTLC Method for Quantification of Luteolin and Apigenin in Premna mucronata Roxb., Verbenaceae

Table 3

Intermediate precision studies for apigenin.

Concentration	Concentration	Intraday	Concentration	Interday
(ng/band)	(ng/band)	(% RSD)	(ng/band)	(% RSD)
100	101.43	0.67	101.3	0.60
150	150.3	0.43	150.3	0.41
200	201.1	0.27	201.15	0.18

Mean of three determinations; % RSD—relative standard deviation.