Chewiness showed a trend similar to hardness, and was steadily reduced from 78 to 26, 32, 39, and 46 in samples stored at −5 °C, −20 °C, −40 °C, and −80 o C, respectively (Fig. 2c ).
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A study of fractal dimension as a quality indicator of hairtail (Trichiurus haumela) samples during frozen storage.
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The sentences
The initial value of water activity was 0.97, and it subsequently exhibited a decreasing trend throughout the storage period.