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of prolonged NaHCO 3 ingestion during high-intensity exercise. Med Sci Sports Exerc 2006, 38:1746–1753.PubMedCrossRef find more Competing interests The authors declare that they have no competing interests. Authors’ contributions SMM, SMG, MT designed the study. SMG and SMM were involved in data collection. SMG, SMM, and MT were involved in statistical analysis and drafted the manuscript. SMM, SMG, SF, UB, CAW, and MT interpreted the data and reviewed the manuscript. All authors read and approved the final manuscript.”
“Background Until now, many researches have been done on the effectiveness of various kinds of natural products in the improvement of sport performances. Mint (mentha) is a herb which is well known for its antispasmodic, painkilling [1–3], anti-inflammatory, antispasmodic, decongestant, and antioxidant effects [4]. Peppermint is one of the mentha species (i.e., mentha piperita, peppermint oil, mentha arvensis, cornmint oil) [5]. Menthol (29%) and menthone (20-30%) are the major components of the peppermint essential oil. External application of peppermint extract raised the pain threshold in human [6]. Peppermint aroma was also effective on perceived physical workload, temporal workload, effort, and anxiety [7]. Another research demonstrated the effectiveness of peppermint aroma administered through the nose or by mouth on the augmenting cognitive performance [8].