Kinetics of Tyrosinase Catalyzing Reaction Activated by 3-O-Caffeoylquinic Acid

被引：0
|
作者：
Gong, Sheng-zhao [1 ]
Chen, Qing-sheng [2 ]
Li, Shi-mei [1 ]
机构：
[1] Guangdong Ind Tech Coll, Dept Chem Engineer, Guangzhou, Guangdong, Peoples R China
[2] Res Inst Huanya Cosmet Technol Co Ltd, Guangzhou, Guangdong, Peoples R China
来源：
PROCEEDINGS OF THE 2016 INTERNATIONAL CONFERENCE ON BIOMEDICAL AND BIOLOGICAL ENGINEERING | 2016年
关键词：
INHIBITORS;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The effect of 3-O-caffeoylquinic acid on the monophenolase and diphenolase activity was tested. The experimental results showed that the activation effected of 3-O-caffeoylquinic acid on both monophenolase and diphenolase activity.3-O-caffeoylquinic acid concentration leading 50% activity increase (AC(50)) was 10.50mg/L for monophenolase and 1.10g/L for diphenolase. 3-O-caffeoylquinic acid can remove the lag time of monophenolase. The activation kinetics of 3-O-caffeoylquinic acid analyzed by Lineweaver-Burk plots demonstrated a competitive activation for the oxidation of L-DOPA and the activation constants (K-A) was determined to be 1.12g/L.
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页码：183 / 188
页数：6
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