Card 61
Question
You are determining how much a consumer uses a specific product. This is generally considered what type of sensory test?
Answer
Acceptance test (acceptance is used of usage and preference for liking)
Sensory science
Discover Sensory science: 201 flashcards with questions and answers.
- Subject
- Sciences / Chemistry
- Language of creation
- English
201 flashcards
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Cards in this set
Card 62
Question
Name the sensory phenomenon where the perceived intensity of a stimulus decreases during continuous exposure (e.g., after the first few sips of coffee).
Answer
Adaptation
Card 63
Question
What is the term that refers to a person's inabilty to taste?
Answer
Ageusia
Card 64
Question
What does AFC stand for in a 2AFC or 3AFC sensory test?
Answer
Alternative forced choice
Card 65
Question
What is the term for loss of smell?
Answer
Anosmia
Card 66
Question
Which statistical test is commonly used to analyze hedonic scale data?
Answer
ANOVA
Card 67
Question
What is the relationship between aroma and taste in flavor?
Answer
Aroma produced by volatile compounds; taste provided by nonvolatile components.
Card 68
Question
What term describes the concentration of an aroma in a food divided by its threshold?
Answer
Aroma value or odor activity value
Card 69
Question
Who developed the flavor profile method?
Answer
Arthur D. Little
Card 70
Question
The flavor profile has become a standard approach to the sensory measurement of aromas and flavors. What company developed this method in 1948?
Answer
Arthur D. Little inc.
Card 71
Question
What is the influence of the condition of a surface on volatility?
Answer
At a given temperature, more volatiles escape from a soft, porous, and humid surface than from a hard, smooth, and more dry one
Card 72
Question
When referring to color, what does BCU stand for?
Answer
Baking contrast units
Card 73
Question
Which fundamental taste sensation exhibits the most variability in terms of perception?
Answer
Bitter
Card 74
Question
G protein couple receptors detect what three tastes?
Answer
Bitter, sweet, umami
Card 75
Question
What three taste qualities share a common signaling pathway?
Answer
Bitter, sweet, umami. All use G-protein-coupled receptors (GPCRs)
Card 76
Question
The band They Might Be Giants sang a song called 'John Lee Supertaster'; what compound could John Lee readily detect?
Answer
Bitterness of either phenylthiocarbamide (PTC) or propylthiouracil (PROP)
Card 77
Question
What is usually meant by 'flavor factors' in sensory quality?
Answer
Both sensations perceived by tongue and aromas perceived by the nose
Card 78
Question
What mineral is involved in the possible 6th taste?
Answer
Calcium
Card 79
Question
What compound can be used to inhibit alpha-amylase when studying the effects of complex carbohydrates on taste?
Answer
Carbose
Card 80
Question
What is the difference between a category scale and a ratio scale?
Answer
Category scale is made up of equal intervals, Ratio scale has the judge express ratios of intensities (sample compared to reference)
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