Isolation, identification and radical scavenging activity of phlorotannin derivatives from brown algae, Ecklonia maxima: An experimental and theoretical study

Article ID	Journal	Published Year	Pages	File Type
2482868	Free Radicals and Antioxidants	2013	10 Pages	PDF

Abstract

Overall, the results suggest that the position of substitution of phloroglucinol unit on eckol (2) plays a significant role in determining the radical scavenging ability of the resulting eckol derivatives.

Keywords

B3LYP IHB Ecklonia maxima 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid IEF TPTZ GAE TEAC AAPH ABTS PCM BDE DPPH ORAC 2,2-diphenyl-1-picrylhydrazyl DFT Bond dissociation enthalpy Hydrogen atom transfer Brown algae Trolox equivalent antioxidant capacity oxygen radical absorption capacity Radical scavenging activity Phlorotannins phloroglucinol Polarizable continuum model Gallic acid equivalent Density functional theory Ionization potential Intramolecular hydrogen bond HAT