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中国精品科技期刊2020
易靓,董鑫磊,马舒恬,等. 不同品种虾糜的凝胶品质比较[J]. 食品工业科技,2022,43(7):94−101. doi: 10.13386/j.issn1002-0306.2021070147.
引用本文: 易靓,董鑫磊,马舒恬,等. 不同品种虾糜的凝胶品质比较[J]. 食品工业科技,2022,43(7):94−101. doi: 10.13386/j.issn1002-0306.2021070147.
YI Liang, DONG Xinlei, MA Shutian, et al. Comparison of Gel Quality of Shrimp Surimi of Different Shrimp Varieties[J]. Science and Technology of Food Industry, 2022, 43(7): 94−101. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2021070147.
Citation: YI Liang, DONG Xinlei, MA Shutian, et al. Comparison of Gel Quality of Shrimp Surimi of Different Shrimp Varieties[J]. Science and Technology of Food Industry, 2022, 43(7): 94−101. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2021070147.

不同品种虾糜的凝胶品质比较

Comparison of Gel Quality of Shrimp Surimi of Different Shrimp Varieties

  • 摘要: 本文以南美白对虾(Penaeus vannamei,PV)、斑节对虾(Penaeus monodon,PM)、罗氏沼虾(Macrobrachium rosenbergii,MR)为研究对象,通过比较不同品种虾糜的流变特性、蒸煮得率、保水性、质构特性及感官特性,研究不同品种虾糜的品质差异,以期为虾滑制品的原料选择提供理论依据。结果表明:PV、PM、MR三种虾的得肉率分别为53.12%、49.40%、34.93%。三种虾糜的储能模量(Storage modulus,G′ )在40 ℃左右开始快速上升,65 ℃时达到最大,其中,PV的G’max值最高;经反复冻融处理后,虾糜升温过程中G’并未有大幅度提高,说明冷冻会改变虾糜蛋白质结构导致凝胶品质下降。冻融后PV、PM虾糜凝胶的蒸煮得率和保水率上升,MR下降。PV虾糜凝胶的硬度和咀嚼性最好,PM凝胶的弹性最好,感官评价结果表明PV和PM虾糜凝胶的组织状态和质地优于MR,经过反复冻融后,PV虾糜凝胶的质地和感官评分较优。PV、PM、MR的粗蛋白含量分别为21.72、19.30、17.23 g/100 g,水溶性蛋白较低、盐溶性蛋白较高的PV和PM凝胶品质较好,水溶性蛋白含量最高的MR形成的凝胶品质最差,三种虾糜的盐溶性蛋白含量在反复冻融后均明显下降。综上所述,南美白对虾糜口感良好,得肉率高,成本较低,适合作为虾滑制品的原材料。

     

    Abstract: In this paper, Penaeus vannamei (PV), Penaeus monodon (PM) and Macrobrachium rosenbergii (MR) were used as the research object, through comparing the rheological properties, cooking yield, water holding capacity, texture properties and sensory characteristics of different varieties of shrimp surimi, to explore the quality differences of different raw materials varieties of shrimp surimi, in order to provide a theoretical basis for the selection of raw materials for shrimp products. The results showed that the meat yield of PV, PM and MR were 53.12%, 49.40% and 34.93% respectively. The storage modulus (G') of three varieties of shrimp surimi began to rise rapidly at about 40 ℃, reached the maximum at 65 ℃, and the G'max value of PV was the highest. After repeated freezing and thawing treatment, G' did not increase significantly during the temperature rised of shrimp, indicating that freezing would change the protein structure of shrimp and lead to a decline in gel quality. After freezing and thawing, the cooking yield and water retention rate of PV and PM shrimp surimi gel increased, while MR decreased. PV shrimp surimi gel had the best hardness and chewiness. The elasticity of PM gel was the best. Sensory evaluation showed that the tissue state and texture of PV and PM shrimp surimi gel were better than MR. After repeated freezing and thawing, the texture and sensory score of PV shrimp surimi gel were excellent. The crude protein contents of PV, PM and MR were 21.72, 19.30 and 17.23 g/100 g respectively, and the quality of PV and PM gel with lower water-soluble protein and higher salt soluble protein was better. The MR with highest water soluble protein content formed the worst gel, and the salt soluble protein content of three shrimp surimi decreased significantly after repeated freezing and thawing. In conclusion, the surimi of Penaeus vannamei has good taste, high meat yield and low cost, so it is suitable to be used as the raw material of prawn products.

     

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