Special Issue "Effect of Phytochemicals on Fat Oxidation during Exercise"
Deadline for manuscript submissions: closed (31 December 2020).
Interests: exercise performance; sports nutrition; exercise physiology; anti-doping; genetics
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Fueling to support the energy demands of contracting skeletal muscle during exercise of more than a few minutes is derived from carbohydrate and fat substrates, while the contribution of amino acids to energy expenditure is usually minimal. Previous investigations have determined that exercise intensity is the main contributor for the selection of carbohydrate or fatty acids as fuel within the muscle. While the rate of carbohydrate oxidation gradually increases with exercise intensity, the association between fat utilization and exercise intensity is explained by an inverted U-shape curve, indicating the moderate-intensity exercise routines should be the primary selection for those seeking to maximize fat oxidation during exercise (although high-intensity exercise might contribute due to its higher post-exercise fat oxidation rating). Other factors such as training status, pre-exercise feeding, the use of certain active components such as phytochemicals, ambient temperature, and even the time of the day might modify the utilization of fat during exercise.
Phytochemicals are bioactive chemical compounds derived from plants (fruits, beans, vegetables, and grains). Although they lack any energy value, several phytochemicals have been shown as effective in increasing the rate of fat utilized during exercise, normally at the expense of a reduced carbohydrate utilization. The use of phytochemicals, combined with exercise at the right intensity and in the appropriate ambient conditions, might be an effective strategy to maximize fat oxidation during exercise, which can benefit those seeking body fat reduction for either health or aesthetic reasons, but also for athletes seeking body weight reduction in weight-category sports.
As the Guest Editor of the Special Issue “Effect of Phytochemicals on Fat Oxidation during Exercise”, I kindly invite you to submit a manuscript to Nutrients, one of the most-read and cited research journals in the category “Nutrition and Dietetics”. The goal of this Special Issue is to provide new evidence of the effects of phytochemicals, including but not limited to caffeine and other alkaloids, p-synephrine, catechins, anthocyanins, etc., on fat oxidation rates during exercise. Primarily, we welcome original research articles, especially those that test the efficacy of long-term protocols combining exercise with phytochemicals. However, we will kindly welcome related systematic reviews, meta-analyses, and opinions that help to further our knowledge about the usefulness of phytochemicals in acute and long-term changes in the selection of substrates during exercise.
Dr. Juan Del Coso
Manuscript Submission Information
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