How Web technology can facilitate learning

CMUR > General Education Center > Journal articles > Item 310903500/29795

Please use this identifier to cite or link to this item: http://ir.cmu.edu.tw/ir/handle/310903500/29795

Title:	How Web technology can facilitate learning
Authors:	Liaw, SS;Huang, HM
Contributors:	通識教育中心;China Med Coll, Gen Educ Ctr, Taichung, Taiwan;Natl Taichung Inst Technol, Dept Informat Management, Taichung, Taiwan
Date:	2002
Issue Date:	2010-09-24 14:42:45 (UTC+8)
Publisher:	AUERBACH PUBLICATIONS
Abstract:	The antioxidant activity of tea melanin (TM) derived from tea leaves was studied. The influence of TM on the kinetics of the free-radical oxidation of beta-carotene revealed essential differences between their oxidative states. The reduced preparation of TM delays the oxidation of beta-carotene. The lag time increased in proportion to concentration of TM. The oxidized preparation of TM decreases the rate of P-carotene consumption, but does not affect the lag time. The kinetic characteristics of the antioxidant activity of TM can be explained by the participation of phenol and quinone groups in free-radical chain reactions. Antioxidant properties of TM can be utilized for prevention of free-radical oxidation of natural products. (C) 2002 Elsevier Science Ltd. All rights reserved.
Relation:	INFORMATION SYSTEMS MANAGEMENT 19(1):56-61
Appears in Collections:	[General Education Center] Journal articles

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