The present invention provides: a method for testing zinc deficiency dysgeusia, which is characterized in that it comprises correlating the expression levels of a gene encoding a gustatory receptor belonging to the THTR family and a gene encoding a gustatory receptor belonging to the T2R family obtained from a sample derived from the oral cavity of a subject, with a serum zinc level obtained from the sample of the subject.; and a kit used for the aforementioned test.
METHOD OF EXAMINING ZINC-DEFICIENT TASTE DISTURBANCE