The present invention is intended for use in diagnosing allergic reactions by detecting specific immunoglobulins IgE and IgG1 for foodstuffs in natura, industrialized foodstuffs, food additives and medicines. The test is specific, non-invasive and provides quick and reliable results, with various allergens being tested for in a single test, as well as being easy to access and low cost, not requiring fasting and being useable on people of any age. The present invention relates to the field of medicine and pharmacy, nursing, nutrition, biomedicine and bioengineering, and more specifically to the field of biological material analysis.