This standard specifies the method used to test the difference in organoleptic properties between two products. Before the test, it is first clear whether it is a one-sided test or a two-sided test. This standard applies to directional difference tests, preference tests, and training evaluators.
GB/T 12310-1990 history
2012GB/T 12310-2012 Sensory analysis method.Paired comparison test
1990GB/T 12310-1990 Sensory analysis method--Paired comparison test