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首页> 外文期刊>Food Control >The effects of X-ray treatments on bioaccumulated murine norovirus1 (MNV-1) and survivability, inherent microbiota, color, and firmness of Atlantic oysters (Crassostrea virginica) during storage at 5 degrees C for 20 days
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The effects of X-ray treatments on bioaccumulated murine norovirus1 (MNV-1) and survivability, inherent microbiota, color, and firmness of Atlantic oysters (Crassostrea virginica) during storage at 5 degrees C for 20 days

机译：在5摄氏度下储存期间，X射线处理对生物累积鼠Norovirus1（MNV-1）和生存性，固有的微生物，颜色和固有的，固有的微生物群，颜色和坚固性，储存20天

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In this study, we investigated the inactivation of human norovirus (HuNoV) surrogate Murine norovirus (MNV-1) by X-ray in whole-shell Atlantic oysters (Crassostrea virginica). We also investigated the effects of X-ray treatments on the survivability, inherent microbiota, color, and firmness of treated whole-shell Atlantic oysters during storage at 5 degrees C for 20 days. Plaque assays revealed that X-ray significantly reduced the population of internalized MNV-1 in live oysters from 4.3 +/- 0.4 log PFU g(-1) to 3.6 +/- 0.5, 3.2 +/- 0.2, 2.8 +/- 0.2, and 2.5 +/- 0.1 log PFU g(-1), by 1.0, 2.0, 3.0, and 4.0 kGy X-ray, respectively. The population of MNV-1 was reduced to less than 2.0 log PFU g(-1) at 5.0 kGy X-ray. The survivability of live oysters was not significantly affected by treatment with 1.0 and 5.0 kGy X-ray, in comparison with the control, for up to 15 and 10 days, respectively, during storage at 5 degrees C. Treatment of whole-shell oysters by 5.0 kGy X-ray significantly reduced the inherent microbiota and kept them lower than the control until day 20. No significant effect of X-ray treatment on oyster color or firmness was detected. (C) 2016 Elsevier Ltd. All rights reserved.
机译：在这项研究中，我们研究了全壳大西洋牡蛎（Crassostrea Virginica）的X射线X射线灭活人诺维病毒（Hunovirus（Hunovirus（Hunov）替代鼠Norovirus（MNV-1）的灭活。我们还研究了X射线处理对在5摄氏度的储存期间治疗的全壳大西洋牡蛎的生存性，固有的微生物牡蛎的效果。斑块测定显示，X射线显着降低了4.3 +/- 0.4 Log PFU G（-1）至3.6 +/- 0.5,3.2 +/- 0.2,2.8 +/- 0.2 2.5 +/- 0.1 log pfu g（-1），乘1.0,2.0,3.0和4.0 kgy X射线。在5.0kGy X射线下，MNV-1的群体降至小于2.0 log pfu g（-1）。随着对照，在储存期间，在5摄氏度下，储存期间，活牡蛎的生存性并没有显着影响1.0和5.0 kgy X射线的显着影响。 5.0 kgy X射线显着降低了固有的微生物群，并使它们低于对照的步骤。检测到X射线处理对牡蛎颜色或坚固性没有显着影响。 （c）2016 Elsevier Ltd.保留所有权利。

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