Chitin deamination

Lysozyme of mink spleen, kidneys, and liver has been isolated by affinity chromatography on deaminated chitin. The L-histidine content of the enzyme was unusually high. The lysozyme preparations contained an unknown, firmly bound component which absorbed at 400—420 nm. 

Figure 1. Some chemical reactions for the molecular design of chitin and chitosan. [1], chitin [2], chitosan [3], alkoxide (alkali chitin) [4] salt (carboxyl-ate) [5], chelation [6] Schiff s base [7], N-acylation [8], halogenation [9], N-alkylation [10], 0-alkylation [11], oxido-deaminative cleavage [12], 0-acylation [13], sulfonation [14], sulfation, phosphorylation and nitration.

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