Development of a natural pulp supplement: the use of beetroot (Beta vulgaris l.) In sports performance
Abstract
Beetroot (Beta vulgaris) stands out as a natural source of dietary nitrate (NO₃⁻), a compound associated with improved performance in endurance sports such as running, cycling, and triathlon. This study aimed to develop a supplement pulp based on beetroot, combined with freeze-dried strawberry and fresh watermelon, to provide nitrate, antioxidants, and L-citrulline in a practical and stable form. The research began with a literature review in databases such as PubMed, SciELO, and ScienceDirect, addressing mechanisms of action, effective concentrations, and dietary sources of these compounds. The final formulation included beetroot powder (17 g, ~391 mg nitrate), freeze-dried strawberry (12 g, 300–360 mg polyphenols), fresh watermelon (8.5 g, ~85 mg L-citrulline), and fresh mint (0.87 g). Nutritional labeling was prepared in accordance with ANVISA’s RDC No. 429/2020 and IN No. 75/2020, using data from TACO, TBCA, and USDA FoodData Central. The product, in a 135 g serving, was frozen at –18 °C, preserving bioactive compounds and sensory characteristics. The use of metallized packaging with light, oxygen, and moisture barriers contributed to stability during storage. It is concluded that the developed pulp represents an innovative natural supplementation alternative for amateur and professional endurance athletes, combining nitrate, antioxidants, and L-citrulline, with potential to optimize blood flow, performance, and muscle recovery. Future clinical studies are recommended to confirm its effectiveness in real training and competition scenarios.
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