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Pterocarpus marsupium is a popular spice incorporated into culinary preparations around the world, which is also used for its antidiabetic treatment in traditional medicine. The objective of the study was to evaluate the antioxidant and starch hydrolase inhibitory properties of Pterocarpus marsupium leaves. The total antioxidant capacity, total phenolics content, starch hydrolase inhibitory activities and superoxide dismutase mimetic (SODm) activity of various leaf extracts of Pterocarpus marsupium were studied. Extracts of dichloromethane (DCM), ethanol (EtOH), ethyl acetate (EtOAc), hexane (HEX), methanol (MeOH) and water were compared. The total phenolics contents of the extracts decreased in the order of water > EtOH > EtOAc > MeOH > DCM > HEX. The antioxidant and SODm activity values of the extracts decreased in the same order as the total phenolics contents, while the DPPH EC50 values increased in the reverse order. Pterosupin and pterostilbene had the highest content out of all the phenolic compounds quantified across all solvent extracts. The highest starch hydrolase inhibitory activities were observed in the water extract. Pterocarpus marsupium was observed to be a good source of antioxidant compounds and therapeutic properties.

In: Israel Journal of Plant Sciences

Mimosa pudica is a commonly found weed which is easily dismissed as an invasive plant. Despite its inferior status, M. pudica has a significant history in several traditional medicinal systems as a potent therapeutic agent possessing antioxidant, anti-inflammatory and antimicrobial properties. In terms of diseases, it has been traditionally used for the prevention and control of diabetes and cancer as well as their prevailing complications. Several terpenoids, flavonoids, glycosides, alkaloids, quinines, phenols, tannins, saponins, and coumarins have been identified in all plants of the plant. In particular, mimosine – an amine containing anti-cancer properties –has been identified in abundance in the plant extracts. Given the need for plants as well as their bioactive compounds of ethno-botanical significance displaying a complete range of biological activities, M. pudica can be easily highlighted as a plant material of interest which warrants further clinical investigation.

In: Israel Journal of Plant Sciences