Antioxidant activity and contents of leaf extracts obtained from Dendropanax morbifera LEV are dependent on the collecting season and extraction conditions

Food Science and Biotechnology
Ji Sun YounJi Yeon Kim

Abstract

This study compared the antioxidant activity of extracts from Dendropanax morbifera (D. morbifera) Levillis leaves. The concentrations of flavonoids and polyphenols were measured in extracts of D. morbifera leaves. The antioxidant activities were examined by ABTS and DPPH radical scavenging activity and ferric reducing antioxidant power (FRAP). Total flavonoid and polyphenol contents, and FRAP were highest in the 30% ethanol extract collected in May. The ABTS and DPPH radical scavenging activities were the highest in the 60% ethanol extract harvested in May. For investigating the relationship between antioxidant activity and specific polyphenols, rutin and chlorogenic acid of the polyphenol component were quantified by LC-MS/MS analysis. The concentrations of them were highest in the 60% ethanol extract collected in May, and showed positive correlations with antioxidant activities. The optimal extraction conditions to yield the most effective antioxidant activity were obtained using a 60% ethanol extraction solvent with samples collected in May.

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Citations

Feb 16, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Siti Atikah ZulkifliMohd Izuan Effendi Halmi
Feb 23, 2021·Oxidative Medicine and Cellular Longevity·Benjawan DunkhunthodGriangsak Eumkeb
Mar 30, 2021·Food Chemistry·Lizma FebrinaYana Maolana Syah
Aug 3, 2021·Evidence-based Complementary and Alternative Medicine : ECAM·Dongho LeeKwang Il Park

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