English  |  正體中文  |  简体中文  |  Items with full text/Total items : 26999/38800
Visitors : 2400762      Online Users : 65
RC Version 4.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
Scope Adv. Search
LoginUploadHelpAboutAdminister

Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/27408

Title: Peroxidase-catalyzed synthesis of neolignan and its anti-inflammatory activity
Authors: Shin-Cheng Tzeng;Yeuk-Chuen Liu
Contributors: NTOU:Department of Food Science
國立臺灣海洋大學:食品科學系
Keywords: Neolignan;Enzymatic synthesis;Peroxidase;COX;LOX
Date: 2004-12-22
Issue Date: 2011-10-21T02:25:13Z
Publisher: Journal of Molecular Catalysis B: Enzymatic
Abstract: Abstract:Different peroxidases were used to catalyze the synthesis of neolignan. Horseradish peroxidase (type I, Sigma) was employed successfully to catalyze the formation of magnolol by the phenolic oxidative coupling of allyphenol. The effects of organic co-solvents, pH, addition rate of H2O2, and the ratio of enzyme/substrate on the yields of dimer were studied. After the peroxidase-catalyzed reaction was performed, different neolignans were isolated and identified as magnolol (3), the trimeric ortho–ortho-coupled product dunnianol (4), the ortho-O-coupled product isomagnolol (5), and the Pummerer's ketone derivative (6). The inhibitory activities of magnolol against cyclo-oxygenase and lipoxygenase were also reported.
Relation: 32(1-2), pp.7–13
URI: http://ntour.ntou.edu.tw/handle/987654321/27408
Appears in Collections:[食品科學系] 期刊論文

Files in This Item:

There are no files associated with this item.



All items in NTOUR are protected by copyright, with all rights reserved.

 


著作權政策宣告: 本網站之內容為國立臺灣海洋大學所收錄之機構典藏,無償提供學術研究與公眾教育等公益性使用,請合理使用本網站之內容,以尊重著作權人之權益。
網站維護: 海大圖資處 圖書系統組
DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - Feedback