CHARACTERIZATION AND COMPARISON OF PLANT AND CRUSTACEAN 

 POLYPHENOL OXIDASES: KINETICS AND INHIBITION BY CHEMICAL METHODS 



:;:-^v 



By 

 JON-SHANG,CHEN 



A DISSERTATION PRESENTED TO THE GRADUATE SCHOOL 

 OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT 



OF THE REQUIREMENTS FOR THE DEGREE OF ' 



DOCTOR OF PHILOSOPHY ■ 



UNIVERSITY OF FLORIDA 



1991 



UNIVERSITY OF FLORIDA IMfm 



