Sensory evaluation

Attempt the following questions to check your understanding of the subject:

PART 1
  1. Define sensory analysis (2 Marks)
  2. Discuss the five senses useful in sensory evaluation based stating their stimuli, receptors and perception (10 Marks)
  3. Discuss 4 categories of scales used in measuring responses in sensory evaluation (4 Marks)
  4. Outline basic physiological and psychological factors that may influence sensory perception (8 Marks)
  5. You are the head of research and development department in your company. You intent to release a new product to the market that was modified from the existing product to cut down production costs. Identify one sensory technique you would choose to evaluate the product before release. How would you carry out the testing? (8 Marks)
PART 2
  1. You are the head of a product development team in your company. You are planning a consumer testing exercise on a new weaning food that you developed.
    • Discuss factors you would consider in selecting panelists for this test (10 Marks)
    • Discuss your plan for the sensory experiment (10 Marks)
    • Discuss 2 qualitative and 2 quantitative methods that you can use in your sensory testing (10 Marks)
  2. Questionnaire design is an important aspect in sensory evaluation data collection. Discuss (10 Marks)
  3. Sensory evaluation relates well with proximate food composition. Explain, considering all sensory attributes of food in the case of beef sausages. (10 Marks)
  4. Methods used in sample measurements are required to be reproducible. How can reproducibility be achieved in sensory testing? (10 Marks)