Card 121
Question
What does JNND stand for in sensory analysis?
Answer
Just Noticeable NonDifference
Sensory science
Discover Sensory science: 201 flashcards with questions and answers.
- Subject
- Sciences / Chemistry
- Language of creation
- English
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Cards in this set
Card 122
Question
What does JND stand for in sensory analysis?
Answer
Just-Noticeable Difference
Card 123
Question
What is the term introduced by the Japanese that refers to certain chemicals enhancing food palatability?
Answer
Kokumi
Card 124
Question
What does the hunter color scale measure?
Answer
L, a, b values
Card 125
Question
What is the meaning of the term "organoleptic testing"?
Answer
Measuring of attributes of food that individuals sense via sight, sound, taste, smell, etc.
Card 126
Question
Who is more sensitive to sour tastes, men or women?
Answer
Men
Card 127
Question
What term describes increased liking after repeated exposure to a food?
Answer
Mere exposure effect
Card 128
Question
What sensory phenomenon causes one taste to suppress another?
Answer
Mixture suppression
Card 129
Question
Which compound is responsible for umami flavor?
Answer
MSG
Card 130
Question
When can one-tailed test be used for sensory testing?
Answer
Never
Card 131
Question
Carefully controlled mechanical tests on food products give what kind of results?
Answer
Objective
Card 132
Question
Give an example of cross potentiation.
Answer
Observer perceives more bitterness in the test sample because of the tasting of sucrose has heightened his sensitivity to bitterness
Card 133
Question
What is "error central tendency" in sensory analysis?
Answer
Occurs when panelists hesitate to use the extreme values on a scale and tend to center their responses on the scale.
Card 134
Question
In a sensory what are the sensations elicited by volatile compounds?
Answer
Odour, smell
Card 135
Question
What two nerves are involved in the sense of smell?
Answer
Olfactory and trigeminal.
Card 136
Question
What sensory testing error occurs when the order of sample presentation influences perception?
Answer
Order bias.
Card 137
Question
In this discrimination test of sensory evaluation panelists must choose whether or not two coded samples are different.
Answer
Paired comparison
Card 138
Question
Which test would you use to determine whether Coke is sweeter than Pepsi?
Answer
Paired comparison for sweetness
Card 139
Question
What is the chance probability for the paired comparison test?
Answer
Paired Comparison Test= 1/2
Card 140
Question
What are papillae?
Answer
Papillae are the small bumps on the tongue; taste buds are within papillae.
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