Application of Antioxidants in Soybean Oil
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Questions and Answers

Which antioxidant is mentioned to increase the storage stability of soybean oil better than BHA and BHT?

  • Propyl gallate
  • TBHQ (correct)
  • BHA
  • BHT
  • What is the major import of Pakistan mentioned in the text?

  • Vegetable oils
  • Sunflower oil
  • Soybean seeds
  • Palm fruit (correct)
  • In which order does the overall effectiveness of BHA, BHT, propyl gallate and TBHQ as oxidation inhibitors in refined, bleached and deodorized palm oil decrease?

  • BHA > BHT > Propyl gallate > TBHQ
  • Propyl gallate > TBHQ > BHT > BHA
  • TBHQ > BHT > Propyl gallate > BHA
  • TBHQ > Propyl gallate > BHT > BHA (correct)
  • What was the increase in oxidative stability of refined, bleached and decolorized sunflower oil after adding 0.02% TBHQ?

    <p>From 10 to 50 hours</p> Signup and view all the answers

    Which oil is mentioned to be a world’s major food oil, comprising about one-third of all vegetable oil production?

    <p>Soybean oil</p> Signup and view all the answers

    What is stated about the positive effects of TBHQ in maintaining flavor stability of soybean oil?

    <p>TBHQ inhibits reversion</p> Signup and view all the answers

    What is one of the main purposes of antioxidant treatment for rendered meat fat?

    <p>To increase oxidative stability for longer storage</p> Signup and view all the answers

    What are the phenolic antioxidants used for in many candies?

    <p>To improve shelf life</p> Signup and view all the answers

    Which combination of antioxidants appears to increase the shelf life of ground beef significantly?

    <p>Propyl gallate and BHA</p> Signup and view all the answers

    Which symptom of oxidation in chewing gum is overcome by using phenolic antioxidants?

    <p>Toughness and brittleness</p> Signup and view all the answers

    What provides up to 13 months extension in shelf life to roasted peanut products?

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

    What is the main purpose of adding phenolic antioxidants to dry breakfast cereals?

    <p>To stabilize the cereal products</p> Signup and view all the answers

    What are the two main purposes of antioxidant treatment for rendered meat fat?

    <p>To increase oxidative stability and provide carry-through protection in food preparation with fat</p> Signup and view all the answers

    'Oxidation of fatty components and pigments in raw beef during storage brings about changes in odor, color, and flavor' - What is used to control this oxidation effectively?

    <p>(0.014% BHA, 0.004% propyl gallate, 0.003% citric acid)</p> Signup and view all the answers

    'In crackers, pastry, and in those foods which are fried in animal fats' - Why does the carry-through protection provided by antioxidant treatment have special significance in these applications?

    <p>To prevent oxidation and maintain quality during food preparation</p> Signup and view all the answers

    What is one of the symptoms of oxidation in chewing gum during storage?

    <p>Toughness and brittleness</p> Signup and view all the answers

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