Comparison of Enzymatic Hydrolysis Effect on Different Kinds of Trash Fish and the Optimization of Hydrolysis Conditions
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Abstract:
The content of proteins and the enzymatic hydrolysis effects on different kinds of trash fishes were compared. And the enzymatic hydrolysis effects of Hanergula zunasi and Clupanodon punctatus were be modified. The results showed that the protein contents of Decapterus maruadsi and Hanergula zunasi are more than 17%, and for Clupanodon punctatus, Setighnna taty，Hanergula zunasi，Mugil cephalus and Llisha elongata，the protein contents were ranged in 15-16%. The enzymatic hydrolysis effects of Decapterus maruadsi, Setighnna taty, Hanergula zunasi and Mugil cephalus were better than those of Hanergula zunasi, Clupanodon punctatus and Llisha elongate. The best enzymes for Hanergula zunasi hydrolysis are the mixture of 0.05% papain, 0.1% Flavourzyme, 0.05% Alcalase and 0.15% trypsin, with which 86.07% of protein recovery, 49.24% of degree ofhydrolysis and 11.30 ml of the production quantity were achieved. The best enzymes for Clupanodon punctatus were the mixute of 0.15% papain, 0.1% Flavourzyme, 0.05% Alcalase and 0.15% trypsin, with which 83.22% of protein recovery, 49.14% of degree ofhydrolysis and 10.91 ml of the production quantity were achieved.
