{"title":"The Oxidation of p-Octylphenol by Mushroom Tyrosinase.","authors":"Y. Endo, Y. Xuan, K. Fujimoto","doi":"10.1271/NOGEIKAGAKU1924.74.1337","DOIUrl":null,"url":null,"abstract":"マッシュルーム由来チロシナーゼをアルキルフェノールに反応させたところ, p-OPは酸化したが, p-NPとBPAは反応しなかった. p-OPに対する本酵素反応の至適pHは6.0で,至適温度は35~40°Cであった.また37°Cにおけるミカエリス定数(Km)は, 0.17mM (酸素吸収量)および0.63mM (吸光度)と, p-クレゾールと同程度の反応性であった. p-OPは反応開始10分で95%以上が酸化された.また,反応中間体としてオクチルジフェノールが生成した.以上より,本酵素を食品に応用することで,食品中に混在したp-OPを選択的に消失できることが示唆された.","PeriodicalId":9443,"journal":{"name":"Bulletin of the Agricultural Chemical Society of Japan","volume":"48 1","pages":"1337-1341"},"PeriodicalIF":0.0000,"publicationDate":"2000-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin of the Agricultural Chemical Society of Japan","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1271/NOGEIKAGAKU1924.74.1337","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}