Development and Validation of a Method for the Quantification of an Alkaloid Fraction of Himatanthus lancifolius (Muell. Arg.)
Woodson by Ultraviolet Spectroscopy
Selectivity of the method developed for the alkaloid fraction of H. lancifolius (30 μg/mL) (a) with yohimbine hydrochloride (22 μg/mL) as reference (b) and the methanol as solvent (c) observed between 200 and 400 nm.
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