Antioxidant activities of citrus herbal product extracts

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Title:	Antioxidant activities of citrus herbal product extracts
Authors:	Su, Min-Sheng Shyu, Yuan-Tay Chien, Po-Jung
Contributors:	園生系
Keywords:	antioxidant activity Citri Reticulatae Pericarpium Citri Reticulatae Viride Pericarpium Aurantii Immaturus Fructus Aurantii Fructus
Date:	2008
Issue Date:	2009-11-06 13:07:08 (UTC+8)
Abstract:	Total phenolic content, DPPH free radical-scavenging activity, hydrogen peroxide-scavenging activity, ferrous ion-chelating activity and ferric-reducing antioxidant power (FRAP) of four citrus herbal products, Citri Reticulatae Pencarpium (CRP), Citri Reticulatae Viride Pericarpium (CRVP), Aurantii Immaturus Fructus (AIF) and Aurantii Fructus (AF) extracts were determined. EC50 values of DPPH radical-scavenging activities ranged from 0.1 mg/ml (AF) to 1.59 mg/ml (AIF). EC50 values of hydrogen peroxide-scavenging activities ranged from 0.08 mg/ml (AF) to 0.9 mg/ml (CRP). EC50 values of ferrous ion-chelating activities ranged from 0.8 mg/ml (AF) to 2.08 mg/ml (AIF). The differences in DPPH free radical-scavenging activity, hydrogen peroxide-scavenging activity, and ferrous ion-chelating activity of all citrus herbal product extracts were significant. AF had the highest antioxidant activity. In this study, citrus herbal product extracts did not have good reducing power. (c) 2008 Elsevier Ltd. All rights reserved.
Relation:	FOOD CHEMISTRY Volume: 111 Issue: 4 Pages: 892-896
Appears in Collections:	[園藝暨生物技術學系] 期刊論文

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