Determination of the optimal electron beam irradiation dose for treating shrimp (Solenocera melantho) by means of physical and chemical properties and bacterial communities

被引:26
|
作者
Yu, Qi [1 ]
Pan, Huijuan [1 ]
Qian, Chenru [1 ]
Shao, Haitao [1 ]
Han, Jiajun [1 ,2 ]
Li, Yongyong [1 ]
Lou, Yongjiang [1 ]
机构
[1] Ningbo Univ, Coll Food & Pharmaceut Sci, Ningbo 315211, Zhejiang, Peoples R China
[2] Sinopec Zhenhai Refining & Chem Co, Ningbo 315207, Zhejiang, Peoples R China
关键词
Electron beam irradiation; Polyphenol oxidase; Texture; 16S rRNA; Shrimp (Solenocera melantho); GAMMA-IRRADIATION; SHELF-LIFE; QUALITY; SPOILAGE; INHIBITION; RADIATION; VANNAMEI; SAUSAGES; SAFETY;
D O I
10.1016/j.lwt.2021.112539
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Solenocera melantho was irradiated at different doses, and the physiological and biochemical indicators, total viable count, and 16S rRNA were used to study the effect of radiation treatment on the quality of S. melantho. Results showed that irradiating at a dose of 2 kGy killed most microorganisms. The higher the irradiation dose used, the stronger the bactericidal effect observed. The bacterial community structure of the irradiate samples were significantly different from that of the unirradiated samples. Irradiation had no effect on the pH value, although as the irradiation dose increased, polyphenol oxidase activity was effectively inhibited, L* and a* values of the shrimp increased, and springiness of the shrimp muscle was enhanced. Based on these results, an irradiation dose of 6 kGy was found to be the most suitable for the treatment of S. melantho, which provides a theoretical basis for production and processing.
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页数:8
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