Antioxidant Assessment of Prenylated Stilbenoid-Rich Extracts from Elicited Hairy Root Cultures of Three Cultivars of Peanut (Arachis hypogaea)

Gajurel, Gaurav; Hasan, Rokib; Medina-Bolivar, Fabricio

doi:10.3390/molecules26226778

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Antioxidant Assessment of Prenylated Stilbenoid-Rich Extracts from Elicited Hairy Root Cultures of Three Cultivars of Peanut (Arachis hypogaea)

Gaurav Gajurel

^1,2

Rokib Hasan

^1,2

and

Fabricio Medina-Bolivar

^1,3,*

Arkansas Biosciences Institute, Arkansas State University, Jonesboro, AR 72467, USA

Molecular Biosciences Graduate Program, Arkansas State University, Jonesboro, AR 72467, USA

Department of Biological Sciences, Arkansas State University, Jonesboro, AR 72467, USA

Author to whom correspondence should be addressed.

Academic Editor: Andrea Ragusa

Molecules 2021, 26(22), 6778; https://doi.org/10.3390/molecules26226778

Received: 28 October 2021 / Revised: 5 November 2021 / Accepted: 7 November 2021 / Published: 10 November 2021

(This article belongs to the Special Issue Secondary Metabolites for the Reduction of Oxidative Stress)

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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. View Full-Text

Keywords: stilbenoid-rich extract; prenylated stilbenoids; arachidin; peanut; antioxidant; elicitation; hairy root

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Gajurel, G.; Hasan, R.; Medina-Bolivar, F. Antioxidant Assessment of Prenylated Stilbenoid-Rich Extracts from Elicited Hairy Root Cultures of Three Cultivars of Peanut (Arachis hypogaea). Molecules 2021, 26, 6778. https://doi.org/10.3390/molecules26226778

AMA Style

Gajurel G, Hasan R, Medina-Bolivar F. Antioxidant Assessment of Prenylated Stilbenoid-Rich Extracts from Elicited Hairy Root Cultures of Three Cultivars of Peanut (Arachis hypogaea). Molecules. 2021; 26(22):6778. https://doi.org/10.3390/molecules26226778

Chicago/Turabian Style

Gajurel, Gaurav, Rokib Hasan, and Fabricio Medina-Bolivar. 2021. "Antioxidant Assessment of Prenylated Stilbenoid-Rich Extracts from Elicited Hairy Root Cultures of Three Cultivars of Peanut (Arachis hypogaea)" Molecules 26, no. 22: 6778. https://doi.org/10.3390/molecules26226778

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Antioxidant Assessment of Prenylated Stilbenoid-Rich Extracts from Elicited Hairy Root Cultures of Three Cultivars of Peanut (Arachis hypogaea)

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