立塩用食塩水の簡易回収法

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A saline solution once used in brine salting is usually considered to be out of use, because the bacteria and the soluble matters from fish body are liable to bring about such a bad effects on the fish brined in the used solution that degrade the quality of the product. However, as a saline solution once used still contains a large quantity of salt, it is uneconomical to abandon the solution after using it only one time. In this point of view, the authors have devised a simple method of regenerating the used saline solution. This method and the results are outlined as follows: 1) After adding N/5 HCl at the rate of 0.9-1.0cc. to 10cc. of the used saline solution, the mixture is boiled for 30min. and then added with 2% Japanese acid clay. The filtrate obtained in this way is available again for salting after adjustment of its salt concentration. 2) For convenience' sake, the filtrate is generally made saturated with common salt, from which saline solutions of desirable concentrations for reuse can be readily prepared by dilution. 3) The ratio of N/5 HCl to be added is constant irrespective of the concentration of used saline solution. 4) The result of application of regenerated saline solutions to salting test indicates that there is hardly any difference in quality between the products brined in the regenerated saline solution and those in the new saline solution. Dissolution of tasteful matters such as amino acid from fish body into the saline solution can be depressed.
社団法人日本水産学会の論文

立塩用食塩水の簡易回収法

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