The Influences of Chokeberry Extract Supplementation on Redox Status and Body Composition in Handball Players During Competition Phase

The study included 16 handball players, aged 16-24 years , of handball club "Novi Beograd". All study participants were apparently healthy, had no active sports injuries, did not use any medications, and were non-smokers. Standardized questionnaires conducted under the supervision of a trained nutritionist were used to collect general data, nutritional habits and use of dietary supplements. The athletes who used any dietary supplements at least a month before the study, were excluded. All participants (or their parents if they were under the age of 18) signed an informed consent document. The study was approved by the Ethical committee of The Military Medical Academy, Belgrade.

The study was conducted during regular competition season, and lasted for twelve weeks. All participants had the same training and nutritional regime, which excluded intake of berries. The players received 30 mL of liquid chokeberry extract, in the morning before training, once per day for 12 weeks. For the preparation of chokeberry extract (liquid form) was used fruit (berries) of Aronia melanocarpa Elliot, Rosaceae. The extract was donated by Pharmanova Belgrade, Serbia. Process of extraction is performed under specific conditions which are subject of technical patent (producer EUHEM), for the purpose of production of extract with high concentration of polyphenols. The design of the product included few demands: sufficient daily dose of polyphenols to be dietary supplement, small volume which can be consumed as shot and acceptable taste for most consumers. Compliance was monitored by the trainers.