The use of a microwave‐assisted solvent extraction coupled with HPLC‐UV/PAD to assess the quality of <scp> <i>Marrubium vulgare</i> </scp> <i>L</i> . (white horehound) herbal raw material

Abstract

An efficient methodology for the extraction and determination of the amount of marrubiin in large sets of samples of M. vulgare plants was developed. Results demonstrated that marrubiin is an easily detectable marker useful for evaluating M. vulgare reaction to stress.