Development and Validation of a Method for the Quantification of an Alkaloid Fraction of Himatanthus lancifolius (Muell. Arg.) Woodson by Ultraviolet Spectroscopy

Table 3

Amount of total alkaloids in the herbal drug, in dried grinded bark (I), in dried aqueous extract (II), and in the alkaloid fraction (III).

Material	Drug	Dried aqueous extract	Alkaloid fraction	Total alkaloid
Peso	25,000 mg	9,549 mg	26.74 mg	20.80 mg
I	100%			0.0832% (832 ppm)
II		100%		0.218%
III			100%	77.79%