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Food science and biotechnology v.20 no.1, 2011년, pp.1 - 6   SCIE SCOPUS
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Quality of Chilled Ready-to-Bake Pizza Stored in Air and under Modified Atmospheres: Microbiological and Sensory Attributes

Singh, Preeti    (Chair of Food Packaging, Technical University of Munich   ); Wani, Ali Abas    (Department of Food Technology, Islamic University of Science & Technology, 1-Avenue University   ); Goyal, G. K.    (Food Packaging Lab, Dairy Technology Division, National Dairy Research Institute  );
  • 초록

    Modified atmosphere packaging (MAP) studies on microbiological and sensory analysis were conducted to extend the shelf life of ready-to-bake pizza stored at $7{\pm}1^{\circ}C$ . The gas combinations used were: atm1: air (control), atm2: $CO_2$ (100%), atm3: $N_2$ (100%), atm4: 50% $CO_2$ /50% $N_2$ . Total plate count (TPC), yeasts/molds (Y/M), coliforms, lactic acid bacteria (LAB), psychrotrophs, and anaerobic spore formers were estimated at time intervals of 0, 5, 10, 15, and 20 days. TPC and LAB of pizza samples (atm1) reached 7.10 and 8.14 log CFU/g after 10 days of storage, respectively. Coliforms, psychrotrophs, and Y/M were significantly higher (p $CO_2$ ) was the best, followed by atm4>atm3>atm1 respectively, in descending order. MAP conditions under this study may extend shelf life of pizza to considerable amount of time.


  • 주제어

    modified atmosphere packaging .   pizza .   microbiological quality .   sensory evaluation .   shelf life.  

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