Table 1. Bacterial Chitinases and Their Turnover Rate with Different Substrates as Reported in the Literature and Our Study.

organisms	turnover (s–1)	substrate	ref
Serratia marcescens	1.7	beta chitin	(Hamre, Eide, Wold, & Sorlie, 2015)39
Bacillus circulans	9.55	carboxymethyl chitin	(Watanabe et al., 2003)40
Thermococcus chitonophagus	0.005	chitin	(Andronopoulou & Vorgias, 2003)41
Vibrio harveyi	1.2	colloidal chitin	(Pantoom, Songsiriritthigul, & Suginta, 2008)42
Thermococcus chitonophagus	0.0025	chitosan	(Andronopoulou & Vorgias, 2003)41
Rhizomucor miehei	0.009	colloidal chitin	(Yang, Fu, Yan, Jiang, & Wang, 2016)43
Vibrio harveyi	0.1	colloidal chitin	(Suginta, Pantoom, & Prinz, 2009)
Penicillium ochrochloron	2.37	colloidal chitin	(Patil, Waghmare, & Jadhav, 2013)44
Scorpaena scrofa	5.33	colloidal chitin	(Laribi-Habchi, Dziril, Badis, Mouhoub, & Mameri, 2012)45
P. pabuli	0.023	90% da chitin	this study
P. pabuli	0.011	10% da chitosan	this study
P. pabuli	67.17	48% da chitosan	this study