Antioxidant activity, total phenolic, and resveratrol content in five cultivars of peanut sprouts

To investigate the change in total phenolic compounds, antioxidant activity, and resveratrol content of five different germinated peanut cultivars. The germinated sprouts of five peanut cultivars (Kalasin1, Kalasin2, Konkaen, Konkaen4, and Tainan9) were extracted with 80% ethanol and collected as cr...

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Veröffentlicht in:Asian Pacific journal of tropical biomedicine 2017-04, Vol.7 (4), p.332-338
Hauptverfasser: Limmongkon, Apinun, Janhom, Prachya, Amthong, Ampika, Kawpanuk, Muenfan, Nopprang, Patcharaporn, Poohadsuan, Jirarat, Somboon, Thapakorn, Saijeen, Suwaree, Surangkul, Damratsamon, Srikummool, Metawee, Boonsong, Tantip
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Sprache:eng
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Zusammenfassung:To investigate the change in total phenolic compounds, antioxidant activity, and resveratrol content of five different germinated peanut cultivars. The germinated sprouts of five peanut cultivars (Kalasin1, Kalasin2, Konkaen, Konkaen4, and Tainan9) were extracted with 80% ethanol and collected as crude extract. The antioxidant capacities were determined with 2,2-diphenyl-1-picrylhydrazyl and ferric ion reducing antioxidant power method. The total phenolic compound was measured using the Folin–Ciocalteau assay. The qualification and quantification of resveratrol was performed by high performance liquid chromatography method. Among the five cultivars, a three-day germination of Kalasin1 showed the highest phenolic content [(40.67 ± 2.62) μg gallic acid/g dry weight], expressed the highest 2,2-diphenyl-1-picrylhydrazyl antioxidant value [(80.51 ± 1.47) mmol/L Trolox/g dry weight], and ferric ion reducing antioxidant power antioxidant value [(171.33 ± 8.59) mmol/L ascorbic acid/g dry weight]. However, the high performance liquid chromatography result of Kalasin2 significantly increased to the highest resveratrol content of (6.44 ± 1.26) μg/g dry weight on the second day of germination. The variation of phytochemical content in the peanut sprout is due to the effect of the peanut cultivar and the germination period.
ISSN:2221-1691
2588-9222
DOI:10.1016/j.apjtb.2017.01.002