Combined Effect of Chitosan and Gallic Acid on the Quality of Refrigerated Larimichthys crocea Based on Response Surface Analysis
This study focuses on the Larimichthys crocea and employs a single-factor experiment to ex-plore the effects of chitosan and gallic acid compound on the refrigeration preservation of the L.crocea.Through a three-factor,three-level orthogonal experiment with sensory evaluation and total colony count as evaluation indicators,Design-Expert 8.0.6 software was used for response surface design optimization.The optimal preser-vation process obtained is as follows:chitosan addition at 0.78％,gallic acid addition at 0.77％,and immersion time of 18.27 min.The samples were refrigerated at ice temperatures(0,-3,-5 ℃),and the L.crocea of tex-ture,HE staining observations,and total colony count were examined.Moreover,the compound of chitosan and gallic acid can effectively inhibit microbial growth,and improve muscle quality.
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