Standard Terminology Relating to Sensory Evaluation of Materials and Products

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ASTM E253-01a - Standard Terminology Relating to Sensory Evaluation of Materials and Products
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
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Designation: E 253 – 01a
Standard Terminology Relating to
1
Sensory Evaluation of Materials and Products
This standard is issued under the fixed designation E 253; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Referenced Documents aroma, n—perception resulting from stimulating the olfactory
receptors; in a broader sense, the term is sometimes used to
1.1 ASTM Standards:
2 refer to the combination of sensations resulting from stimu-
E 284 Terminology of Appearance
lation of the entire nasal cavity. (1996)
2. Terminology
DISCUSSION—Aroma, odor, and smell have the same basic meaning;
however, in common usage they may have different connotations.
absolute judgment, n—an evaluation of a stimulus made
without direct comparison. (1996)
assessor, n—a general term for any individual responding to
acceptability/unacceptability, n—degree to which a stimulus
stimuli in a sensory test. (1996)
is judged to be favorable or unfavorable. (1996)
DISCUSSION—The terms assessor, judge, panelist, panel member, and
acuity, n—the ability to repeatedly detect or discriminate
respondent all have the same basic meaning, although sometimes
sensory stimuli. (1996)
different connotations. Usage of these terms varies with the training and
adaptation, sensory, n—a decrease in sensitivity to a given
experience of the investigator, habit, tradition, personal preference, and
stimulus which occurs as a result of exposure to that
other factors.
stimulus. (1996)
astringency, n—the complex of sensations due to shrinking,
affective test, n—any method to assess acceptance, attitudes,
drawing, or puckering of the epithelium as a result of
emotions, or preference for a stimulus (i). (1998)
exposure to substances such as alums or tannins. (1996)
after effects, n—total array of sensations that occur after
attitude, n—a predisposition to respond in a characteristic way
elimination of the physical stimulus from the sensing field.
toward a class of objects, concepts, or stimuli. (1996)
(1996)
attitude scale, n—a means for eliciting indications of the
aftersensation, n—sense impression after direct stimulation of
attitudes or opinions held, usually on a measuring system
the sense organ has ceased. (1996)
using marks or value designations. (1996)
aftertaste, n—the oral or nasal sensations that occur after the
attribute, n—a perceived characteristic. (1996)
source of the stimulus has been removed from the oral
audition, n—the sense of hearing. (1996)
cavity. See after effects. (1996)
aversion, n—feeling of dislike provoking avoidance of a
ageusia, n—lack of sensitivity to taste stimuli. (1996)
stimulus. (1996)
anchoring point, n—a reference point against which other
bias, n—systematic error manifested as a persistent positive or
items are judged. (1996)
negative deviation of the method average from its accepted
anosmia, n—lack of sensitivity to odor stimuli. (1996)
true value. (1996)
A–not-A test, n—a method of discrimination testing com-
bite, chemical, n—stinging experienced primarily in the oral
prised of at least two samples; at least one sample is a
cavity as a result of exposure to substances such as highly
previously identified sample (“A”) and at least one is a test
carbonated beverages. (1997)
sample. All samples are presented blindly, and the assessor’s
bitter (taste), adj—taste produced by substances such as
task is to assign the label “A” or “not-A” to each of the
quinine or caffeine when in solution. (1997)
samples. (2001)
body (food), n—the quality of a food or beverage relating
antagonism, n—joint action of two or more stimuli whose
either to its consistency, compactness of texture, fullness,
combination elicits a level of sensation lower than that
flavor, or combination thereof. (1997)
expected from combining the effects of each stimulus taken
brightness, n—see color (of an object). (2001) (For consensus
separately. (1996)
technical definition see brightness in Terminology E 284).
burn chemical, n—perception of increased temperature and
1
This terminology is under the jurisdiction of ASTM Committee E18 on Sensory
irritation resulting from exposure to such substances as ethyl
Evaluation of Materials and Products and is the direct responsibility of Subcom-
alcohol, or high concentrations of NaCl or acids. The
mittee E18.01 on Terminology.
Current edition approved Nov. 10, 2001. Published January 2002. Originally sensation lingers a short time after the stimulus is removed.
published as E 253–65T. Last previous edition E 253–01.
(1997)
2
Annual Book of ASTM Standards, Vol. 06.01.
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