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  • 标题:Growth potential of Listeria monocytogenes in six different RTE fruit products: impact of food matrix, storage temperature and shelf life
  • 作者:Matthias Ziegler ; Simon Rüegg ; Roger Stephan
  • 期刊名称:Italian Journal of Food Safety
  • 电子版ISSN:2239-7132
  • 出版年度:2018
  • 卷号:7
  • 期号:3
  • DOI:10.4081/ijfs.2018.7581
  • 语种:English
  • 出版社:PAGEPress Publications
  • 摘要:We tested the growth potential of Listeria monocytogenes on six RTE fruit products at low (4°C at the factory followed by 8°C retail/home storage) and abusive (4°C followed by 12°C) storage temperatures. Sliced coconut and fresh cut cantaloupe, as well as a fruit mix containing diced pineapple, cantaloupe, apples and grapes supported the growth of L. monocytogenes with a growth potential d>0.5 log CFU/g over six days. Mangoes, a mix of diced kiwi, cantaloupe and pineapple as well as a mix of diced pineapple, mango, grapefruit, kiwi and pomegranate did not support a growth potential that exceeded 0.5 log CFU/g over six days. The growth potential of L. monocytogenes correlated significantly with the pH; no product with a pH below 4 showed a significant growth potential of L. monocytogenes. Time after inoculation was also a significant predictor of the growth potential, while the fruit type and storage temperature were not.
  • 关键词:RTE fruits;Mango;Cantaloupe;Coconut;Fruit mix
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