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Food Processing Factors and Nutrient Changes Quiz
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Food Processing Factors and Nutrient Changes Quiz

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Questions and Answers

Which method involves the use of high temperatures to destroy microorganisms in food?

  • Thermal processing (correct)
  • Irradiation
  • Blanching
  • Refrigerated storage
  • Which process aims to prevent rancidity in fats and oils?

  • Irradiation
  • BHA & BHT preservation (correct)
  • Sterilization
  • Dehydration
  • What factors accelerate the deterioration of foods?

  • Microbial exposure
  • Irradiation
  • Time, Temperature, Oxygen (correct)
  • Refrigerated storage
  • Which substances are banned from foods in several countries due to their carcinogenic effects in rats?

    <p>BHA &amp; BHT</p> Signup and view all the answers

    Which nutrient is affected by copper during food processing?

    <p>Thiamine</p> Signup and view all the answers

    What is the purpose of dehydration in food processing?

    <p>To remove water from food</p> Signup and view all the answers

    Which process involves exposing food to ionizing radiation to destroy microorganisms or insects that might be present in the foods?

    <p>Food Irradiation</p> Signup and view all the answers

    What is injected into meat and fish to increase water content since the 1950s, but can be hydrolized into smaller units in the gut before absorption, potentially inducing metabolic acidosis?

    <p>Polyphosphate</p> Signup and view all the answers

    What treatment below significantly decreases the level of thiamine and causes a significant loss of tryptophan, threonine, histidine, and arginine in food?

    <p>Alkali treatment</p> Signup and view all the answers

    Which operation involves the outer layers of vegetables containing more nutrients, such as vitamin C being highest just under the potato's peel?

    <p>Refining operations - Milling</p> Signup and view all the answers

    What operation not only involves a reduction of particle size but also a decrease of protein, fiber, vitamins, and minerals?

    <p>Refining operations - Milling</p> Signup and view all the answers

    Which additive prevents degradation of food color and cleaves folic acid in food?

    <p>Sodium bisulphite &amp; Sulphur dioxide</p> Signup and view all the answers

    What process involves boiling, blanching, deep frying, and baking, which results in little effect on cellulose but losses of vitamin C?

    <p>Heat treatment</p> Signup and view all the answers

    Which process involves removing heat by cooling or freezing and is particularly used in meat?

    <p>Food Storage - Refrigeration</p> Signup and view all the answers

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