Moisture Content Measurement in Food
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Questions and Answers

What is the water activity level at which microbial proliferation slows down?

  • 0.60
  • 0.50 (correct)
  • 0.75
  • 0.40

    • What is the water activity range as measured by the Water Activity Meter?

  • 0-1 (correct)
  • 0-100
  • 0-10
  • 0-50

    • How should the sample cup be filled according to the instructions provided?

  • Fill the cup fully
  • Leave the cup empty
  • Fill the cup to the brim
  • Fill the cup just halfway (correct)

    • What does the displayed reading on the Water Activity Meter show after measurement?

    <p>Water activity and sample temperature</p> Signup and view all the answers

    What should be done after placing the sample cup in the chamber tray according to the instructions?

    <p>Move the lever to the 'READ' position</p> Signup and view all the answers

    What is the formula for calculating moisture content?

    <p>[(Wet Weight - Dry Weight) / Wet Weight] x 100</p> Signup and view all the answers

    What is the ideal moisture content range for dried products?

    <p>10-15%</p> Signup and view all the answers

    What is the main importance of water activity (Aw) in food?

    <p>Used as a critical control point in HACCP programs</p> Signup and view all the answers

    How is moisture content typically measured?

    <p>Using a Moisture Analyzer</p> Signup and view all the answers

    What does water activity (Aw) measure in food?

    <p>'Free' or 'non-chemically bound' water available for microbial growth</p> Signup and view all the answers

    What does the wet weight in moisture content measurement represent?

    <p>The weight before drying</p> Signup and view all the answers

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