Pharmacokinetics of Veratramine and Jervine from Alcohol Extracts of Radix Veratri

Table 2

Extraction recovery rate and matrix effect.

Compound	Concentration (ng/mL)	Recovery rate (%) (±SD)	Matrix effect (%) (±SD)
VER	2.70
	25.60
	143
JER	31.60
	194
	724