FOT589: Flavour Chemistry and Technology - Oral Food Breakdown

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Questions and Answers

What is the purpose of flavor extraction from natural sources?

  • To introduce new artificial flavors
  • To eliminate all flavor compounds
  • To concentrate and separate aromatic and flavorful compounds (correct)
  • To reduce the aroma of food products

What is the significance of gas chromatography combined with fast-scan mass spectrometry in flavor analysis?

  • It increases the complexity of mixtures
  • It decreases the total number of identified volatiles
  • It assists in identifying flavor compounds at very low concentrations (correct)
  • It removes all volatile compounds

What happens during food oral processing (FOP)?

  • Flavor compounds are not released
  • Aroma compounds are separated from taste compounds
  • Food properties do not affect the dynamics of the food bolus
  • The food bolus is formed (correct)

Why is distillation sometimes necessary in the identification of flavor compounds?

<p>To assure adequate recovery for identification of certain compounds (D)</p> Signup and view all the answers

How do aroma and taste compounds reach the receptors during oral food breakdown?

<p>By being released in the oral and nasal cavity (D)</p> Signup and view all the answers

What role do subjects' physiology and food properties play during food oral processing?

<p>They influence the dynamics of food bolus formation in the mouth (C)</p> Signup and view all the answers

What is a method used for separating many higher boiling compounds and precursors?

<p>High-performance liquid chromatography (HPLC) (D)</p> Signup and view all the answers

How does extraction of flavors from natural sources contribute to consumer acceptance?

<p>By separating and concentrating flavorful compounds (A)</p> Signup and view all the answers

What is a key outcome of identifying flavor compounds at very low concentrations?

<p>Assuring adequate recovery for identification (B)</p> Signup and view all the answers

What is the primary purpose of oral food processing (FOP)?

<p>To form a food bolus for swallowing (A)</p> Signup and view all the answers

Why is substantial concentration necessary in the identification of flavor compounds?

<p>To assure adequate recovery for identification (C)</p> Signup and view all the answers

Which technique is crucial for separating over 450 volatiles in flavor analysis?

<p>Gas chromatography with fast-scan mass spectrometry (A)</p> Signup and view all the answers

What is the significance of the properties of the food bolus during oral food processing?

<p>Affects the release and perception of taste and aroma (C)</p> Signup and view all the answers

Why are distillation techniques sometimes required in flavor compound identification?

<p>To assure adequate recovery of some higher boiling compounds (D)</p> Signup and view all the answers

Which method is used to separate and concentrate aromatic compounds from natural sources?

<p>Distillation techniques (D)</p> Signup and view all the answers

In flavor analysis, what is the role of gas chromatography combined with fast-scan mass spectrometry?

<p>To identify higher boiling compounds and precursors (D)</p> Signup and view all the answers

How do aroma and taste compounds contribute to consumer acceptance of a food product?

<p>By reaching receptors in the oral and nasal cavity (C)</p> Signup and view all the answers

What plays a crucial role in determining the dynamics of food bolus during oral food processing?

<p>The subject's physiology and food properties (D)</p> Signup and view all the answers

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