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This study investigated the phenolics (TP) and phytochemical contents and radical-scavenging activity of ethanol extracts of Dendropanax morbiferus parts (leaf, stem, and root). The contents of chlorogenic acid (CA) and rutin (RT) and radical-scavenging activity of all extracts by parts were in the order of leaf, stem and root. In the case of leaf, the TP contents were 2.15-2.52 mg/g when extracted with hot water and ethanol concentration (30-70%), and there was no difference depending on extraction solvents and times. However, 95% alcohol extracts showed the lowest content of TP (extraction time: 2-4 h). Particularly, CA and RT contents of 70% ethanolic extract for 2 h were the highest as 12.33 mg/g and 14.01 mg/g, respectively, in which DPPH and ABTS radical scavenging activities were also highest (85% and 110%), respectively.

Comparison of chlorogenic acid and rutin contents and antioxidant activity of Dendropanax morbiferus extracts according to ethanol concentration