Antioxidant Efficacy of Extracts from a Variety of Seaweeds in a CellularSystem

As a part of an ongoing search for antioxidants from marine sources, antioxidant activities of 24 kinds of seaweeds (4 green algae, 8 brown algae, and 12 red algae) were investigated. The seaweeds were extracted by acetone/dichloromethane and methanol, respectively. The antioxidant properties of bot...

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Published in:Ocean science journal 2008, 43(1), , pp.31-37
Main Authors: 김유아, Chang Suk Kong, Young Ran Um, Jung Im Lee, 남택정, 서영완
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Language:English
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해양학
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creator 김유아
Chang Suk Kong
Young Ran Um
Jung Im Lee
남택정
서영완
description As a part of an ongoing search for antioxidants from marine sources, antioxidant activities of 24 kinds of seaweeds (4 green algae, 8 brown algae, and 12 red algae) were investigated. The seaweeds were extracted by acetone/dichloromethane and methanol, respectively. The antioxidant properties of both extracts were evaluated using four different activity tests, including degree of occurrence of intracellular reactive oxygen species (ROS), NO, lipid peroxidation, and GSH (glutathione) in mouse macrophage Raw 264.7 cells. The levels of intracellular reactive oxygen species (ROS) and GSH were measured using 2’,7’-dichlorofluorescin diacetate (DCF-DA) and monobromobimane as fluorescence probe, respectively. Moreover, the generation of NO and lipid peroxidation products were determined by each method based on the Griess reaction and TBARS assay. Solvent extracts from seaweeds such as Scytosiphon lomentaria, Prionitis cornea, Laruencia okamurae, Callophyllis japonica, Sargassum horneri, Dictyopteris divaricata, Lomentaria catenata, Corallina confuse, Ishige okamurae, and Ahnfeltiopsis flabelliformi exhibited high antioxidant activities in cellular oxidizing systems. KCI Citation Count: 3
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title Antioxidant Efficacy of Extracts from a Variety of Seaweeds in a CellularSystem
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