Although extracellular β-GAL activity in the MT-treated groups showed a decreasing trend compared with the NaCl group, the differences were not statistically significant ( p > 0.05).
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Study on the Freezing Protection Effect of Melatonin on <i>Lactobacillus plantarum</i> FQR.
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The sentences
The survival rate showed a trend of first increasing and then decreasing with the increase in EPS concentration.