Abstract
Recent evidence has shown that consumption of plants rich in phenolic compounds has health-promoting benefits. Amongst these plants, include Moringa oleifera Lam. (Moringaceae) which has gained significant attention due to its high contingency of secondary metabolites. It has also been shown that the quantity of nutritional and health promoting secondary metabolites in M. oleifera is cultivar specific. As such, in the current study, the distribution of three pharmacologically potent flavonoids [quercetin rutinoside (rutin), kaempferol rutinoside and isorhamnetin rutinoside] was investigated using untargeted metabolomic approach with the aid of UPLC-qTOF-MS. The results of this study, suggest only three out of the twelve cultivars investigated were found to contain these flavonoid molecules in significant amounts. The current results, coupled with other techniques therefore, suggest rutinoside-bearing flavonoids could be used to group different cultivars of M. oleifera which can definitely help with selection of pharmacologically potent cultivars.
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