Abstract
Peanut produces prenylated stilbenoids upon biotic stress. However, the role of these compounds against oxidative stress have not been thoroughly elucidated. To this end, the antioxidant capacity of extracts enriched in prenylated stilbenoids and derivatives was studied. To produce these extracts, hairy root cultures of peanut cultivars Hull, Tifrunner, and Georgia Green were co-treated with methyl jasmonate, cyclodextrin, hydrogen peroxide, and magnesium chloride and then the stilbenoids were extracted from the culture medium. Among the three cultivars, higher levels of the stilbenoid derivatives arachidin-1 and arachidin-6 were detected in cultivar Tifrunner. Upon reaction with 2,2-diphenyl-1picrylhydrazyl, extracts from cultivar Tifrunner showed the highest antioxidant capacity with an IC50 of 6.004 µg/mL. Furthermore, these extracts had significantly higher antioxidant capacity at 6.25 µg/mL and 3.125 µg/mL when compared to extracts from cultivars Hull and Georgia Green. The stilbenoid-rich extracts from peanut hairy roots show high antioxidant capacity and merit further study as potential nutraceuticals to promote human health.
Highlights
Reactive oxygen species (ROS) are continually produced by living organisms during cellular metabolism
The peanut hairy root platform provides a potential platform for the bioproduction of Development and Characterization of Peanut
The testosterone-mediated antioxidant activity of benign stilbenoid-rich have been in vivo study of peanut sprout extracts rich in resveratrol and its glycosides have been reported from peanut hairy roots treated with paraquat, methyl jasmonate (MeJA), and CD and peanut hairy reported to have anti-obesity properties [28]
Summary
Reactive oxygen species (ROS) are continually produced by living organisms during cellular metabolism. Stilbenoids are a group of polyphenolic compounds that can be found in a limited number of plant families, including those of grapevine (Vitaceae), peanut (Fabaceae), and blueberry (Ericaceae) These compounds are phytoalexins that are produced upon infection by fungus and other pathogens to protect the host plant against them. In hairy root cultures of three cultivars, i.e., Tifrunner, In addition, addition, a comparative study of the yield of stilbenoids and their derivatives in these three acultivars comparative study the yieldWe of established stilbenoidsa and derivatives these three of peanut wasof performed. Reported the production of prenylated the ring-prenylated piceatannol derivative arachidin-6 in this cultivar for the first time.
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