A treatment method for rinsing and deodorizing catfish surimi

Abstract

The invention belongs to the technical field of improvement of the quality of fish flesh and provides a washing and deodorization method for minced catfish fillet to overcome the problems that the fishy smell of minced catfish fillet cannot be thoroughly eliminated and the quality of the minced catfish fillet is severely impaired after deodorization in the prior art. The washing and deodorization method comprises the following steps: treatment of raw materials and preparation of a washing solution, wherein the washing solution comprises 0.5% of sodium bicarbonate and 0.25% of tetrasodium pyrophosphate and the pH value of the washing solution is adjusted to 6.5 by using phosphoric acid; primary washing: a step of standing treated minced catfish fillet in the washing solution for 90 s, then carrying out stirring for 30 s, repeating standing and stirring once and then standing the minced catfish fillet for 6 min; secondary washing: a step of filtering the minced catfish fillet having undergone primary washing with two layers of gauze, carrying out secondary washing by using 0.3% sodium chloride as a washing solution according to operations carried out in primary washing and carrying out filtering and dehydration by using two layers of gauze; and preservation. The contents of fibrillin and water in the washed minced catfish fillet are high while the content of fat is obviously reduced, so the quality of the minced catfish fillet is effectively improved. Trimethylamine can be totally removed through washing, so the effect of deodorization is effectively achieved.

Description

technical field [0001] The invention belongs to the technical field of improving fish meat quality, and in particular relates to a treatment method for rinsing and deodorizing catfish surimi. Background technique [0002] my country is one of the countries with the largest freshwater aquaculture water surface in the world, and the output of freshwater aquatic products ranks first in the world. In recent years, due to the zero-growth policy of marine fishing and the implementation of the ban on fishing, the production of marine fish in my country has tended to be stable, while the production of freshwater fish has shown a continuous and rapid growth trend. For the processing and utilization of freshwater fish, processing surimi products is an excellent way. Catfish has less bones and more meat, so it is an excellent raw material for the production of freshwater surimi. Catfish is favored by people because it is rich in nutrients such as protein, polyunsaturated fatty acids ...

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a catfish surimi rinsing and deodorization treatment method in order to solve the problem that the fishy smell of the existing catfish surimi cannot be completely removed and the quality of the fish surimi is seriously affected after deodorization treatment

Images