Free nerve endings (of the trigeminal nerve) present in the oral and nasal cavities which are sensitive to irritants (capsaisin, acetic acid, ammonia, astringents) and act as protection device against harmful chemicals, also detect texture and most other food characteristics
Card 102
Question
What three mamilian papillae contain taste buds?
Answer
Fungiform, foliate, circumvaliate
Card 103
Question
What is the standard texture scale used in sensory analysis?
Answer
General Foods Texture Profile method
Card 104
Question
What amino acid is the source of most flavor compounds in soy sauce?
Answer
Glutamic acid.
Card 105
Question
An object that absorbs light in the red and the blue regions of the visible spectra will appear what hue?
Answer
Green
Card 106
Question
In sensory analysis what is the term for when the brain allows very specific positive traits to influence overall evaluation?
Answer
Halo effect
Card 107
Question
The force required to bite through something describes which sensory attribute?
Answer
Hardness
Card 108
Question
In sensory analysis, what type of scale is generally used for acceptance testing?
Answer
Hedonic
Card 109
Question
What term describes a test where consumers rate liking on a numerical scale?
Answer
Hedonic rating test.
Card 110
Question
Which sensory method measures perceived intensity without a trained panel?
Answer
Hedonic scaling or consumer acceptance testing.
Card 111
Question
The Munsell System is based on the use of what 3 color attributes?
Answer
Hue, Value, and Chroma
Card 112
Question
Where are the taste pores found on the tongue?
Answer
In the taste buds.
Card 113
Question
What is agnosia?
Answer
Inability to recognize and identify objects, persons, or sounds. 3 main types of agnosia are vision, hearing and touching.
Card 114
Question
CIE L*a*b* (CIELAB) is a color space specified by the French Commission internationale de l'éclairage. What is the translation of the name of this commision in English?
Answer
International Commission on Illumination
Card 115
Question
What is the main compound responsible for the flavor of banana?
Answer
Isoamyl acetate
Card 116
Question
What is labeled magnitude scaling?
Answer
It is a category ratio scale that generates data similar to magnitude estimation. It uses unequal, quasi-logarithmic spacing of verbal labels such as barely detectable, weak, moderate, strong, very strong, and strongest imaginable.
Card 117
Question
What is the Just Noticeable Difference (JND) in terms of sensory testing?
Answer
JND is the amount by which the physical concentration of a stimulus chemical has to be increased in order to be
perceived psychologically.
Card 118
Question
What does JAR stand for in sensory evaluation?
Answer
Just About Right
Card 119
Question
In sensory tests what scale is used to measure the appropriateness or optimum level of specific attributes?
Answer
Just about right
Card 120
Question
What is the term for the smallest detectable difference between two stimuli in sensory evaluation?
Answer
Just noticeable difference (JND) or difference threshold.
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