Development and Validation of Selective High-Performance Liquid Chromatographic Method Using Photodiode Array Detection for Estimation of Aconitine in Polyherbal Ayurvedic Taila Preparations

Table 2

Precision studies data for aconitine.

Concentration (μg/mL)	Intraday		Interday*
	Peak area ± SD	% RSD*	Peak area ± SD	% RSD*
15	1101.6±16.7	1.52	1112.0±6.3	0.57
45	3059.9±29.5	0.96	3063.0±29.5	0.96
75	5282.5±42.3	0.80	5292.6±47.8	0.90

*Relative standard deviation (% RSD, 𝑛=3).