| Texto completo | |
| Autor(es): |
Toniazzo, Taise
;
Azevedo, Rafael de Almeida
;
Oliveira, Tamires Nunes
;
Silva de Souza, Ricardo Augusto
;
Vasco Marinho, Leonardo Santos
;
Roschel, Hamilton
;
Gualano, Bruno
;
Saunders, Bryan
;
Tadini, Carmen Cecilia
Número total de Autores: 9
|
| Tipo de documento: | Artigo Científico |
| Fonte: | INTERNATIONAL JOURNAL OF SPORT NUTRITION AND EXERCISE METABOLISM; v. 35, n. 6, p. 10-pg., 2025-11-01. |
| Resumo | |
Sports supplements composed of carbohydrate and protein are widely used by endurance athletes and recreational practitioners, mostly aimed at improving performance. This study investigated the effect of a novel carbohydrate + protein honey powder (HP) product on endurance cycling performance and physiological and perceptual responses using a double-blind, crossover, counterbalanced, placebo-controlled (PLA) design. Twelve male cyclists exercised for 100 min (i.e., 5 min at 1 W/kg of body mass, followed by three sets of 10-min stages at 1.5, 2.0, and 2.5 W/kg, followed by 5 min at 1 W/kg), followed by a 20-min selfpaced time trial (20-min TT). Blood glucose, lactate, pH, bicarbonate, heart rate, ratings of perceived exertion, and side effects were analyzed throughout the 100-min cycling protocol and the 20-min TT. The 20-min TT performance was similar between HP and PLA (total work done: 294 +/- 40 vs. 292 +/- 44 kJ, p = .72; mean power output: 245 +/- 33 vs. 243 +/- 37 W, p = .61), as was blood glucose, lactate, pH, and ratings of perceived exertion either during the 100 or 20-min TT protocols (all p> .05). Blood bicarbonate was lower in HP compared with PLA throughout the 100-min protocol (p = .01), and heart rate was higher in HP compared with PLA during the 20-min TT (p = .01). Finally, HP supplementation did not elicit greater side effects compared with PLA, either during the 100 or the 20-min TT protocols (all p> .05). This novel HP supplement did not improve endurance performance in this study, though future research with higher doses is encouraged. (AU) | |
| Processo FAPESP: | 23/10778-0 - Investigação sobre o uso abusivo de esteroides androgênicos anabólicos: a coorte SOS (Study of Steroid Abusers) |
| Beneficiário: | Rafael de Almeida Azevedo |
| Modalidade de apoio: | Bolsas no Brasil - Pós-Doutorado |
| Processo FAPESP: | 22/07327-4 - Os efeitos de placebo e placebo aberto em diferentes formas de administração sobre o desempenho, força e hipertrofia |
| Beneficiário: | Tamires Nunes Oliveira |
| Modalidade de apoio: | Bolsas no Brasil - Doutorado Direto |
| Processo FAPESP: | 17/19266-1 - Desenvolvimento e caracterização de mel em pó produzido pelos métodos de spray drying e spray chilling |
| Beneficiário: | Taíse Toniazzo |
| Modalidade de apoio: | Bolsas no Brasil - Pós-Doutorado |
| Processo FAPESP: | 19/26525-9 - Efeitos na digestibilidade do mel em pó em modelo semi-dinâmico |
| Beneficiário: | Taíse Toniazzo |
| Modalidade de apoio: | Bolsas no Exterior - Estágio de Pesquisa - Pós-Doutorado |
| Processo FAPESP: | 21/06836-0 - Placebo em esporte e exercício: prevalência, condicionamento e placebo aberto |
| Beneficiário: | Bryan Saunders |
| Modalidade de apoio: | Auxílio à Pesquisa - Jovens Pesquisadores - Fase 2 |
| Processo FAPESP: | 24/16671-6 - O efeito aguda da suplementação de diferentes doses de cafeína sobre o desempenho de ciclistas treinados com baixo consumo habitual de cafeína |
| Beneficiário: | Leonardo Santos Vasco Marinho |
| Modalidade de apoio: | Bolsas no Brasil - Iniciação Científica |