Browsing Research Articles (Chemistry) by Author "Marnewick, Jeanine L."
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Acylphloroglucinol derivatives from the South African helichrysum niveum and their biological activities
Popoola, Olugbenga K.; Marnewick, Jeanine L.; Rautenbach, Fanie; Iwuoha, Emmanuel I.; Hussein, Ahmed A. (MDPI, 2015)Abstract: Phytochemical investigation of aerial parts of Helichrysum niveum (H. niveum) using different chromatographic methods including semi-preparative HPLC afforded three new (1–3) and six known (4–10) acylphloroglucinols ... -
Alpha-glucosidase and alpha-amylase inhibitory activities, molecular docking, and antioxidant capacities of salvia aurita constituents
Etsassala, Ninon G.E.R.; Badmus, Jelili A.; Marnewick, Jeanine L. (MPDI, 2020)Diabetes mellitus (DM) is one of the most dangerous metabolic diseases with a high rate of mortality worldwide. It is well known that insulin resistance and deficiency in insulin production from pancreatic β-cells are the ... -
Inhibition of oxidative stress and skin aging-related enzymes by prenylated chalcones and other flavonoids from helichrysum teretifolium
Popoola, Olugbenga K.; Marnewick, Jeanine L.; Rautenbach, Fanie; Ameer, Farouk; Iwuoha, Emmanuel I.; Hussein, Ahmed A. (MDPI, 2015)Ten flavonoid-related structures viz. heliteretifolin (1), isoxanthohumol (2), 2',4',6'-trihydroxy-3'-prenylchalcone (3), isoglabranin (4), glabranin (5), 7-methoxyisoglabranin (6), quercetin (7), 4'-methoxyquercetin ...