Effect of Beetroot Extract on Maximum Oxygen Volume Athletes

Arimbi Arimbi(1*), Arifuddin Usman(2),

(1) Universitas Negeri Makassar
(2) Universitas Negeri Makassar
(*) Corresponding Author



Abstract


Abstract. Beetroot is high in nitrate and iron content which affects the value of the maximum oxygen volume (VO2max) which is important for athlete's stamina. This study  to intend analyze the effect of beetroot juice on the VO2max value of badminton athletes. This type of research is true experiment with the pretest-postest control group design approach. The research subjects were 36 badminton athletes, divided into three groups, namely the 300 ml group, the 200 ml group and the control group. VO2Max value was measured by the Multistage Fitness Test (MFT) method. Data analysis used paired t-test, independent sample t-test, repeated ANOVA and one way ANOVA. The results of this study showed that there was a significant change in the value of maximal oxygen volume (VO2max) of athletes after the intervention of giving beetroot juice for 15 treatments, the VO2max value concluded with the delta value, it can be seen that changes in the increase in VO2max value in each group are 5.7 ml. / kg / minute in the group given 300 ml and 3.7 ml / kg / minute in the 200 ml group, and the lowest increase in the control group was 2.7 ml / kg / minute. The increase in VO2Max value was due to an increase in hemoglobin levels which was triggered by the iron content in beetroot as well as the high nitrate content in beetroot which was given during the intervention.

 

Keywords: Beetroot, athlete, VO2max


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References


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