Functional Properties of Odors
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Questions and Answers

What contributes significantly to the diversity of flavors?

  • The sweetness of the food
  • Sight of the food
  • Retronasal smell from volatile compounds (correct)
  • Airborne molecules sensed by taste buds
  • What is the importance of retronasal smell in flavor perception?

  • It enhances the sweetness of food
  • It affects the appearance of food
  • It helps in chewing food properly
  • It activates olfactory receptors in the nasal cavity (correct)
  • At what concentration range are terpene aroma compounds usually potent?

  • Parts per trillion
  • Parts per billion
  • Parts per thousand
  • Parts per million (correct)
  • Which compound is only sensed when its concentration reaches parts per thousand?

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

    What does specific anosmia refer to?

    <p>The inability to detect certain families of similar smelling compounds</p> Signup and view all the answers

    What can affect a sensory panel leader's awareness in a taste evaluation session?

    <p>The different olfactory equipment of panel members</p> Signup and view all the answers

    Quantitative Descriptive Analysis (QDA) requires products with significantly different characteristics.

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

    The Quantitative Descriptive Analysis (QDA) Panel leader actively participates as a panelist in screening tests and training sessions.

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

    In Quantitative Descriptive Analysis (QDA), panelists are encouraged to discuss the results of their evaluations afterwards.

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

    Scoring in Quantitative Descriptive Analysis (QDA) is typically done by marking on a 6-inch line scale.

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

    Quantitative Descriptive Analysis (QDA) results are always consistent and never lead to inconsistencies.

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

    In Quantitative Descriptive Analysis (QDA) test method, panelists develop terminology during the evaluation process.

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

    In Quantitative Descriptive Analysis (QDA), panelists should be made aware of the time-intensity response curve during the evaluation process.

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

    Generalized Procrustes Analysis (GPA) is a technique used to combine terms that appear to measure different sensory characteristics across panelists.

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

    Time-intensity (T-I) analysis is only applicable for evaluating sensory characteristics that exhibit rapid changes in intensity over a short period of time.

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

    One of the primary applications of descriptive analysis is to document sensory properties of products for benchmarking purposes.

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

    The role of the panel leader in a sensory evaluation session is to ensure consistency in the scoring process across all panelists.

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

    In Quantitative Descriptive Analysis (QDA), panelists are required to provide real-time feedback on the intensity of sensory attributes as they perceive them.

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

    The Quantitative Descriptive Analysis (QDA) method requires a formal screening and training procedure for panelists.

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

    Trained panels tend to weigh attributes differently from ordinary consumers, so their judgements are more typical of consumer preferences.

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

    The Balance/blend (amplitude) assessment evaluates the overall impact the product will have on the consumer.

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

    The Quantitative Descriptive Analysis (QDA) method does not require the panelists to score products on repeated trials.

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

    The panel leader's awareness can be affected by the time of day during a taste evaluation session.

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

    The Texture profile method is one of the commonly used descriptive test methods.

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

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