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      Quality Assessment of Frozen Solenocera crassicornis Treated with Sodium Metabisulphite by Soaking or Spraying

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          The present work was carried out to evaluate the safety of shrimp ( Solenocera crassicornis) treated with different concentrations of sodium metabisulfite (SMB) by soaking or spraying during frozen storage. Shrimps soaked in higher concentrations of SMB showed higher sensory scores, lower total color differences, and better anti-melanosis effects than shrimps in the control and other treatment groups throughout frozen storage (−18°C). Lower total volatile basic nitrogen and thiobarbituric acid reactive substances and higher salt soluble protein contents were detected in shrimp soaked with high doses of SMB compared with other samples. In addition, lower counts of total aerobic plates and psychrotrophic bacteria were observed in shrimp treated by soaking with higher doses of SMB than those in control shrimp and shrimp treated with other methods during frozen storage (−18°C). However, the SO 2 content of 5% SMB-soaked samples exceeded the maximum allowable limit of 100 mg kg −1. Overall, the use of 1.5% SMB soaking to treat shrimp results in good antioxidant and antimicrobial effects and, thus, may be suggested to preserve S. crassicornis under frozen conditions. The results of this study present important guidance on the use of SMB to maintain the quality of marine-trawling shrimp from manufacturing to consumption.

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          Author and article information

          Journal of Ocean University of China
          Science Press and Springer (China )
          20 December 2019
          01 February 2020
          : 19
          : 1
          : 199-208
          1Marine Fishery Research Institute of Zhejiang Province, Zhoushan 316021, China
          2Key Research Station for Fisheries Resources of Main Fishing Ground Ministry of Agriculture, Zhoushan 316021, China
          3Key Laboratory of Sustainable Utilization of Technology Research for Fishery Resource of Zhejiang Province, Zhoushan 316021, China
          4Zhoushan Fishery Environments & Aquatic Products Quality Monitoring Center of Ministry of Agriculture China, Zhoushan 316021, China
          Author notes
          *Corresponding author: JIN Lei, Tel: 0086-580-2299871, E-mail: jinlei2388@
          Copyright © Ocean University of China, Science Press and Springer-Verlag GmbH Germany 2020.

          The copyright to this article, including any graphic elements therein (e.g. illustrations, charts, moving images), is hereby assigned for good and valuable consideration to the editorial office of Journal of Ocean University of China, Science Press and Springer effective if and when the article is accepted for publication and to the extent assignable if assignability is restricted for by applicable law or regulations (e.g. for U.S. government or crown employees).

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