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Citation: LEI Fu-Hou, WU Jian, SHI Bo-An, TAN Zhi-Wei. Synthesis of Urushiol-Tyrosine Resin and Immobilization of Polyphenol Oxidases[J]. Chinese Journal of Applied Chemistry, ;2000, 17(4): 414-416. shu

Synthesis of Urushiol-Tyrosine Resin and Immobilization of Polyphenol Oxidases

a.
a. Department of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning 530006;
b.
b. Hubei Institute for Nationalities, Enshi

Received Date: 8 October 1999
Available Online: 13 March 2000
Fund Project: 广西民族学院1999年重点资助项目(99HXX00004) (99HXX00004)

The urushiol-tyrosine resin(UTR) was synthesized from tyrosine and gasoline solution of urushiol by using anhydrous AlCl₃ as catalyst. Its structure has been studied by IR, UV and DTA. The UTR-Cu was obtained by impregnation of UTR in Cu²⁺ solution. The polyphenol oxidase obtained from banana was immobilized on UTR-Cu complexes. The immobilized oxidase(UTR-Cu-En) had an activity of 1.1 A/(min·g), that is, 6.5 times greater than that of oxidase immobilized on active carbon. A possible structure of the UTR Cu immobilized enzyme is suggested.
- urushiol-tyrosine resin,
- synthesis,
- polyphenol oxidase,
- immobilization
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