LIST OF TABLES 



TABLE PAGE 



1 Comparison of Kinetic Properties of Polyphenol Oxidase (PPO) 



from Various Sources 30 



2 Comparison of Polyphenol Oxidase (PPO) Activity between 



Florida Spiny Lobster and Western Australian Lobster .... 49 



3 Secondary Structure Estimates of Various Polyphenol Oxidases 



(PPOs) from Far UV Circular Dichroic Spectra 88 



4 Inhibitory Mechanism of Kojic Acid on Polyphenol Oxidase 



Obtained from Various Sources 124 



5 Effect of Different Pre- incubation Temperatures on the ' ' 



Inhibition of Various Polyphenol Oxidases (PPOs) by Kojic 



Acid 130 



6 Inhibitory Effect of Kojic Acid on the Consumption of Oxygen 



by Polyphenol Oxidase 134 



7 Enzymatic Activity of Kojic Acid-treated Polyphenol Oxidase 



Following Kojic Acid Removal 141 



8 Effect of Nitrogen on Florida Spiny Lobster Polyphenol Oxidase 



Activity 158 



9 Kinetic Parameters of Florida Spiny Lobster Polyphenol Oxidase 



Inactivation by Carbon Dioxide (1 atm) at Various 



Temperatures 157 



10 Mass Balance of Protein Contents from High Pressure C0„- 



treated and Nontreated PPO 171 



11 Secondary Structure Estimates of Nontreated Control and High 



Pressure CO„-treated Florida Spiny Lobster, Brown Shrimp, 

 and Potato Polyphenol Oxidases (PPOs) from Far UV Circular 

 Dichroic Spectra 185 



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