Abstract
The genus Berberis has high significance in Indian and other traditional systems of medicine due to the presence of iso-quinoline alkaloids. This study was conducted to record the metabolic variation in eight Berberis spp. collected from the Western Himalayan region. The RP-HPLC-PDA chromatogram separates the markers jatrorrhizine, palmatine and berberine at specific retention time, 11.45, 16.41 and 18.15 min respectively. The method was validated on linearity, precision and recovery indices as per International Conference on Harmonisation (ICH) guidelines. The maximum content of berberine, palmatine and jatrorrhizine was found in Berberis asiatica (1.74% ± 0.032, 1.63% ± 0.028 and 0.264% ± 0.012, respectively) on % dry weight basis. This study will help in phyto-marker-based identification and differentiation of various Berberis species, which can be used as an alternative to the official drug Daruharidra i.e. Berberis aristata.
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