Irradiation control of pathogenic bacteria and their growth during storage time in cooled chicken

HA Yiming; JU Hua; WANG Feng; FAN Bei; LIU Shuliang

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Irradiation control of pathogenic bacteria and their growth during storage time in cooled chicken

更新时间：2023-03-30

- Irradiation control of pathogenic bacteria and their growth during storage time in cooled chicken
- Journal of Radiation Research and Radiation Processing Vol. 27, Issue 5, Pages: 275-279(2009)
- 作者机构：
  
  1.中国农业科学院农产品加工研究所/农业部辐照产品质量监督检验测试中心　北京　100193
  2.四川农业大学食品学院　四川　625014
- 作者简介：
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HA Yiming, JU Hua, WANG Feng, et al. Irradiation control of pathogenic bacteria and their growth during storage time in cooled chicken. [J]. Journal of Radiation Research and Radiation Processing 27(5):275-279(2009)
DOI：

HA Yiming, JU Hua, WANG Feng, et al. Irradiation control of pathogenic bacteria and their growth during storage time in cooled chicken. [J]. Journal of Radiation Research and Radiation Processing 27(5):275-279(2009) DOI：

摘要

研究了冷却鸡肉经,60,Co γ射线辐照后的菌落总数、大肠杆菌（10003）和空肠弯曲杆菌（33560、CY04）的,D,10,值及菌落总数和大肠杆菌在贮藏期的变化。结果表明，经,60,Co γ射线辐照后冷却鸡肉中的菌落总数、大肠杆菌（10003）、空肠弯曲杆菌（33560、CY04）的,D,10,值分别为1.434 kGy、0.408 kGy、0.175 kGy、0.2 kGy。真空包装的冷却鸡肉在0～4℃贮藏条件下，3 kGy剂量辐照贮藏21 d、5 kGy剂量辐照贮藏28 d后菌落总数为5.66lg（CFU/g）、4.90lg（CFU/g），符合禽肉产品的卫生要求。因此，辐照杀菌贮藏冷却鸡肉具有一定的实用意义。

Abstract

The growth of pathogenic bacteria during storage time and their ,D,10, values by irradiation in cooled chicken were evaluated. The total numbers of colony,E. coli, 10003,Campylobacter jejuni,33560 and CY04 of the ,D,10, values were 1.434 kGy, 0.408 kGy, 0.175 kGy, 0.2 kGy respectively in cooled chicken. The results show that total bacteria count in vacuum packaged cooled chicken sample is 5.66lg (CFU/g) and 4.90lg (CFU/g) after 3 kGy and 5kGy irradiation. And in storage at 0~4℃ the storage shelf-life of irradiated vacuum packaged cooled chicken could extend to 21 d and 28 d. It can be deduced that pathogenic bacteria can be controlled effectively by irradiation.

关键词

冷却鸡肉致病菌D10值贮藏期

Keywords

Cooled chickenPathogenic bacteriaD10 valuesStorage time

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