Development of high-speed salting method for boiled and salted Undaria pinnatifida and Laminaria religiosa
2008
Onodera, M.(Tokyo Univ. of Marine Science and Technology (Japan)) | Yoshie Stark, Y. | Suzuki, T.
There was a negative correlation between water activity (asub(w)) and NaCl content/moisture of boiled and salted Uudaria pinnatifida and Laminaria religiosa. Boiled and salted Undaria pinnatifida processed by the recommended method to prolong the shelf life showed asub(w) of 0.76 and NaCl content of 18.0%. It should be possible to evaluate sodium chloride content and water content by asub(w) analysis. To shorten the processing time and to obtain uniform quality of seaweed products, the salting method in saturated solution was performed in this study. It took 48 hours and 18 hours to obtain sufficiently low asub(w) of salted U. pinnatifida and L. religiosa by soaking in saturated NaCl solution. With mechanical stirring of the saturated NaCl solution for treating the seaweeds, only 1 hour was required to reach asub(w) of 0.75. This salting method with stirring will shorten the salting time, and enable safe products to be provided.
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