I.P. Pavlov Russian Medical Biological HeraldI.P. Pavlov Russian Medical Biological Herald0204-34752500-2546Eco-Vector4254910.23888/PAVLOVJ202129154-65Research ArticleContent of some vitamins in the diet and blood serum of professional football playersRadzhabkadievRadzhabkadie M.<p>Junior Researcher of the Laboratory of Sports Anthropology and Nutriology, Federal Research Centre of Nutrition, Biotechnology and Food Safety</p>89886999800@mail.ruhttps://orcid.org/0000-0002-3634-8354BeketovaNina A.<p>PhD in Chemical Sciences, Senior Researcher of the Vitamins and Minerals Laboratory, Federal Research Centre of Nutrition, Biotechnology and Food Safety</p>beketova@ion.ruhttps://orcid.org/0000-0003-2810-2351VrzhesinskayaOksana A.<p>PhD in Biological Sciences, Leading Researcher of the Vitamins and Minerals Laboratory, Federal Research Centre of Nutrition, Biotechnology and Food Safety</p>vr.oksana@yandex.ruhttps://orcid.org/0000-0002-8973-8153KoshelevaOlga V.<p>Researcher of the Vitamins and Minerals Laboratory, Federal Research Centre of Nutrition, Biotechnology and Food Safety</p>kosheleva@ion.ruhttps://orcid.org/0000-0003-2391-9880KeshabyantsEvelina E.<p>MD, PhD, Senior Researcher of the Laboratory of Nutrition Epidemiology and Alimentary-Dependent Diseases Genodiagnostics, Federal Research Centre of Nutrition and Biotechnology</p>evk1410@mail.ruhttps://orcid.org/0000-0001-9762-2647DenisovaNatalia N.<p>MD, PhD, Researcher of the Laboratory of Nutrition Epidemiology and Alimentary-Dependent Diseases Genodiagnostics, Federal Research Centre of Nutrition and Biotechnology</p>denisova-55@yandex.ruhttps://orcid.org/0000-0002-7664-2523KobelkovaIrina V.<p>MD, PhD, Senior Researcher of the Sports Anthropology and Nutriology Laboratory, Federal Research Centre of Nutrition and Biotechnology</p>kobelkova@ion.ruhttps://orcid.org/0000-0002-1237-5147VybornayaKseniya V.<p>Junior Researcher of the Sports Anthropology and Nutriology Laboratory, Federal Research Centre of Nutrition, Biotechnology and Food Safety</p>dombim@mail.ruhttps://orcid.org/0000-0002-4010-6315LavrinenkoSemyon V.<p>Junior Researcher of the Sports Anthropology and Nutriology Laboratory, Federal Research Centre of Nutrition, Biotechnology and Food Safety</p>lavrinenko.sem@yandex.ruhttps://orcid.org/0000-0002-5913-8341ZhilinskayaNataliya V.<p>PhD in Biological sciences, Head of the Vitamins and Minerals Laboratory, Federal Research Centre of Nutrition, Biotechnology and Food Safety</p>tashenka13@inbox.ruhttps://orcid.org/0000-0002-1596-1213Federal Research Center for Nutrition, Biotechnology and Safety of Food1503202129154651908202027012021Copyright © 2021, Radzhabkadiev R.M., Beketova N.A., Vrzhesinskaya O.A., Kosheleva O.V., Keshabyants E.E., Denisova N.N., Kobelkova I.V., Vybornaya K.V., Lavrinenko S.V., Zhilinskaya N.V.2021<p><strong><em>Aim.</em></strong> This study evaluates the vitamin status of football players based on the data of actual nutrition and concentration of biomarkers in blood serum in the competition period of sports <br />activity.</p>
<p><strong><em>Materials and Methods.</em></strong> The research involved 22 football players (men aged 245 years, body mass index 22.90.2 kg/m<sup>2</sup>). Intake of С, В<sub>1</sub>, В<sub>2</sub>, РР, A vitamins and beta-carotene was evaluated using the 24-hour nutrition reproduction method. Concentrations of ascorbic acid, riboflavin, retinol, tocopherols, beta-carotene in blood serum were determined in fasting condition on the next day after a competition.</p>
<p><strong><em>Results</em></strong>. A reduced intake of vitamin A and beta-carotene relative to the recommended level was found in 86.0% of examined individuals, and of vitamins В<sub>1</sub>, В<sub>2</sub>, РР, and C in 77.2, 68.1, 36.3 and 63.6%, respectively. A study of biomarkers of provision with vitamins showed a reduced <br />riboflavin concentration in blood serum relative to the norm (5 ng/ml) and the optimal level <br />(10 ng/ml) in 45.4% and 100% of the examined athletes, respectively. The beta-carotene level did not reach the optimal level (21.5 g/dl) in each second athlete, and there were no deficits of vitamin A and vitamins-antioxidants C and E. No statistically significant (Spearman) correlations were found between the individual intake parameters of В<sub>2</sub>, С, А vitamins, and beta-carotene and the respective biomarkers blood serum concentration. A positive relationship was found between the blood serum concentrations of ascorbic acid and beta-carotene (<em>r</em>=0.592, <em>р</em>=0.004).</p>
<p><strong><em>Conclusion.</em></strong> The data obtained to justify the necessity to optimize the B vitamins and the beta-carotene status of football players in the period of competitions. The traditional approaches to the realization of this task, including enrichment of the diet with vitamin-mineral complexes, should rest on the results of the evaluation of the individual provision of an organism with <br />micronutrients and take into account the enhanced demand for group B vitamins in athletes <br />engaged in high-energy-consuming kinds of sports.</p>actual nutrition, vitamins, beta-carotene, consumption, blood serum, biomarkers of vitamin status, athletes, football playersфактическое питаниевитаминыбета-каротинбиомаркеры витаминного статусаспортсменыфутболисты[Shestopalov AE, Klyuchnikov SO, Grishina ZhV, et al. Metodicheskiye rekomendatsii po nutritivnoy podderzhke u sportsmenov-futbolistov. Moscow: FMBA Rossii; 2018. (In Russ).][Manore MM. 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