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    Question

    Which of the following is not an internal

    indicator?
    A Oxygen indicator Correct Answer Incorrect Answer
    B Pathogen indicator Correct Answer Incorrect Answer
    C Microbial growth indicator Correct Answer Incorrect Answer
    D Time-Temperature indicator Correct Answer Incorrect Answer

    Solution

    Time-Temperature indicator is not an internal indicator. The principle/reagents used are- mechanical, chemical and enzymatic. It gives information about storage conditions. Its application is in food stored under chilled frozen conditions.

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