Determination of Specific IgG to Identify Possible Food Intolerance in Athletes Using ELISA

Kristina Malsagova, Alexander Stepanov, Alexandra A. Sinitsyna, Alexander Izotov, Mikhail S. Klyuchnikov, Arthur T. Kopylov and Anna L. Kaysheva
Additional contact information
Kristina Malsagova: Biobanking Group, Branch of IBMC “Scientific and Education Center”, 109028 Moscow, Russia
Alexander Stepanov: Biobanking Group, Branch of IBMC “Scientific and Education Center”, 109028 Moscow, Russia
Alexandra A. Sinitsyna: Biobanking Group, Branch of IBMC “Scientific and Education Center”, 109028 Moscow, Russia
Alexander Izotov: Biobanking Group, Branch of IBMC “Scientific and Education Center”, 109028 Moscow, Russia
Mikhail S. Klyuchnikov: State Research Center Burnasyan of the Federal Medical Biophysical Centre of the Federal Medical Biological Agency of Russia, 123098 Moscow, Russia
Arthur T. Kopylov: Biobanking Group, Branch of IBMC “Scientific and Education Center”, 109028 Moscow, Russia
Anna L. Kaysheva: Biobanking Group, Branch of IBMC “Scientific and Education Center”, 109028 Moscow, Russia

Data, 2021, vol. 6, issue 11, 1-9

Abstract: Nutrition is considered one of the foundations of athletic performance, and post-workout nutritional recommendations are fundamental to the effectiveness of the recovery and adaptive processes. Therefore, at present, new directions in dietetics are being formed, focused on the creation of personalized diets. To identify the probable risk of somatic and allergic reactions upon contact with food antigens, we used the method of enzyme-linked immunosorbent assay (ELISA) for the quantitative determination of IgG antibodies in the blood plasma of athletes against protein–peptide antigens accommodated in food. The study enrolled 40 athletes of boating and fighting sport disciplines. We found that the majority of the studied participants were characterized by an elevated IgG level against one or two food allergens (barley, almond, strawberry, etc.). Comparative analysis of the semiquantitative levels of IgG antibodies in athletes engaged in boating and fighting did not reveal significant differences between these groups. As a result, foods that are likely to cause the most pronounced immune response amongst the studied participants can be identified, which may indicate the presence of food intolerances. An athlete’s diet is influenced by both external and internal factors that can reduce or worsen the symptoms of a food intolerance/allergy associated with exercise. The range of foods is wide, and the effectiveness of a diet depends on the time, the place, and environmental factors. Therefore, during the recovery period (the post-competition period), athletes are advised to follow the instructions of doctors and nutritionists. An effective, comprehensive recovery strategy during the recovery period may enhance the adaptive response to fatigue, improving muscle function and increasing exercise tolerance. The data obtained may be useful for guiding the development of a new personalized approach and dietary recommendations covering the composition of athletes’ diet and the prevalence of food intolerance.

Keywords: food intolerance; ELISA; IgG; athletes (search for similar items in EconPapers)
JEL-codes: C8 C80 C81 C82 C83 (search for similar items in EconPapers)
Date: 2021
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