Development of a Predictive Program for Microbial Growth under Various Temperature Conditions

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  • 各種温度条件下における微生物増殖予測プログラムの開発
  • 情報ひろば 最近の話題 国際シンポジウム「環境因子,特に遺伝毒性発がん物質の閾値:安全と安心の接点をめざして」
  • ジョウホウヒロバ サイキン ノ ワダイ コクサイ シンポジウム カンキョウ インシ トクニ イデン ドクセイ ハツガン ブッシツ ノ イキチ アンゼン ト アンシン ノ セッテン オ メザシテ
  • カクシュ オンド ジョウケン カ ニ オケル ビセイブツ ゾウショク ヨソク プログラム ノ カイハツ

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A predictive program for microbial growth under various temperature conditions was developed with a mathematical model. The model was a new logistic model recently developed by us. The program predicts Escherichia coli growth in broth, Staphylococcus aureus growth and its enterotoxin production in milk, and Vibrio parahaemolyticus growth in broth at various temperature patterns. The program, which was built with Microsoft Excel (Visual Basic Application), is user-friendly; users can easily input the temperature history of a test food and obtain the prediction instantly on the computer screen. The predicted growth and toxin production can be important indices to determine whether a food is microbiologically safe or not. This program should be a useful tool to confirm the microbial safety of commercial foods.

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