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Issue
Korean Chemical Engineering Research,
Vol.59, No.2, 153-158, 2021
In Vitro Evaluation of Antioxidant Potential of Date Palm Collected in Algeria using Electrochemical and Spectrophotometrical Techniques
Bensac C, Ghiaba Z, Ghiaba M, Belfar A, Belguidoum M, Bentebba FZ, Saidi M, Hadjadj M
In this study, we will determined the total phenolic content (TPC) and the antioxidant activity of the methanolic extract (ME) of date palm (Phoenix dactylifera. L) fruits (DPF) of four native cultivars from Algeria: Ghars (Gh), Chtaya (Cht), DeglaBeida (DB) and Tinissine (Tns). The TPC of ME of DPF was measured by using Folin-Ciocalteu. Thereafter, the antioxidant capacity of various extracts was determined using DPPH test, reducing power and superoxide anion test. These results showed that dates had strongly scavenging activity on DPPH. The value of IC50 for DPPH radical test was 0.077 mg/ml in Cht. Also, Cht cultivar showed the best-reducing power, which was significantly higher than the other varieties. The less IC50 value in cyclic voltammetry method (CV), which meets the highest effective antioxidant, was 0.006 mg/ml in methanolic extract of Cht.
Keywords: Date palm; Phenolic content; Flavonoid content; Antioxidant activity; Electrochemical
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