10 Diagnostic test kits for performing taste tests of an individual, for consumer non-medical use, comprising test media, namely, test strips, liquid compositions, or spray compositions including chemical agonists applied to the oral or nasal cavity to determine taste perception from phenotypic expression, namely, for determining taste preferences for wines; Diagnostic test apparatus for performing taste tests of an individual, for consumer non-medical use, comprising test media, namely, test strips, liquid compositions, or spray compositions including chemical agonists applied to the oral or nasal cavity to determine taste perception from phenotypic expression, namely, for determining taste preferences for wines; Diagnostic test supplies for performing taste tests of an individual, for consumer non-medical use, comprising test media, namely, test strips, liquid compositions, or spray compositions including chemical agonists applied to the oral or nasal cavity to determine taste perception from phenotypic expression, namely, for determining taste preferences for wines; Diagnostic test devices and kits comprised of packages of chemical treated test strips for scientific or research use, namely, for use in performing taste tests detecting the level of taste perception from phenotypic expression in individuals, namely, for determining taste preferences for wines