Sensory Evaluation Flashcards
What does sensory evaluation ensure?
Products meet consumers expectations
Products remain consistent
Products compare to similar products
Products meet original specifications
The quality of Food products over time
What are the main types of sensory test?
Preference tests
Discrimination tests
Grading tests
What is a paired preference test?
The tester is given two samples of food and asked which they prefer
What is a hedonic ranking test?
A preference test to find out how much someone likes or dislikes a product
What is a triangle test?
The tester gets three samples two of which are identical and the tester has to find the odd one out
What is the purpose of a triangle test?
To test if small differences between products are detectable
What is a ranking test?
Testers rank samples based on a specific sensory property
What is a rating test?
Testers rate the extent they like or dislike certain aspects in similar food products
What is a profiling test used for?
Used to obtain a detailed description of the appearance taste and texture of a food product
What should the testing environment be like to carry out sensory evaluation?
No distractions
Controlled lighting
Testers should be in isolated spaces
What should the food testers be like to carry out sensory evaluation?
Untrained consumers
Trained testers if needed
Good health
Non smokers
No illnesses
No strong likes or dislikes of the food being tested
What should the food samples be like to carry out sensory evaluation?
The same size
Labled with random letters or numbers (not 1 2 3 or a b c)
Holding times should be monitored as some products deteriorate over time
What should the testing equipment be like to carry out sensory evaluation?
The plates, spoons, or cups should be identical
Water should be provided to cleanse the mouth
Testers should wait 30 seconds between tastings
