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Lexicon
The largest wine encyclopedia in the world with 24,358 Terms.
0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

QDA

Abbreviation for "Quantitative Descriptive Analysis", a basic methodology for analytical food sensory testing. Descriptive (descriptive) sensory analysis aims at identifying and quantifying sensory product properties by means of an objective description of human perception and to reveal relationships between the chemical-physical components of a product and the sensory properties of this product by trained persons.

The intensity of certain properties or characteristics is measured using an intensity scale. Such a quantitative descriptive analysis, which is also called profile analysis or profile check, also makes it possible to graphically represent the differences between several products for defined characteristics. In addition to QDA, there are also other difference tests. These are the triangle test (two of three products are identical, the deviating one must be detected), the ranking test (differences regarding a characteristic such as sweetness), as well as tests regarding the perception threshold (perceiving/detecting a certain substance).

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24.358 Keywords · 48.032 Synonyms · 5.311 Translations · 29.674 Pronunciations · 164.360 Cross-references
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