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1) either a perceptible difference results (triangle testing for difference); 2) a perceptible difference does not result (triangle testing for similarity), when, for example, a change is made in ingredients, processing, packaging, handling or storage; b) selecting, training and monitoring assessors. 2 Normative references
Sensory analysis — Methodology — Triangle test 1 Scope This International Standard describes a procedure for determining whether a perceptible sensory difference or
The method is effective for: a) determining that: either a perceptible difference results (triangle testing for difference); a perceptible difference does not result (triangle testing for similarity), when, for example, a change is made in ingredients, processing, packaging, handling or storage; b) selecting, training and monitoring assessors.
ISO 4120 2021 Triangle Test - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document provides the third edition of ISO 4120, which establishes the methodology for conducting a triangle test to analyze sensory differences or similarities between three samples.
1) either a perceptible difference results (triangle testing for difference); 2) a perceptible difference does not result (triangle testing for similarity), when, for example, a change is made in ingredients, processing, packaging, handling or storage;
This document specifies a procedure for determining whether a perceptible sensory difference or similarity exists between samples of two products. The method is a forced-choice procedure. The method is applicable whether a difference exists in a single sensory attribute or in several attributes.
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