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首页> 外文期刊>Journal of Food Science >Supplemental Protein in Support of Muscle Mass and Health: Advantage Whey
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Supplemental Protein in Support of Muscle Mass and Health: Advantage Whey

机译：支持肌肉质量和健康的补充蛋白质：优势乳清

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Skeletal muscle is an integral body tissue playing key roles in strength, performance, physical function, and metabolic regulation. It is essential for athletes to ensure that they have optimal amounts of muscle mass to ensure peak performance in their given sport. However, the role of maintaining muscle mass during weight loss and as we age is an emerging concept, having implications in chronic disease prevention, functional capacity, and quality of life. Higher-protein diets have been shown to: (1) promote gains in muscle mass, especially when paired with resistance training; (2) spare muscle mass loss during caloric restriction; and (3) attenuate the natural loss of muscle mass that accompanies aging. Protein quality is important to the gain and maintenance of muscle mass. Protein quality is a function of protein digestibility, amino acid content, and the resulting amino acid availability to support metabolic function. Whey protein is one of the highest-quality proteins given its amino acid content (high essential, branched-chain, and leucine amino acid content) and rapid digestibility. Consumption of whey protein has a robust ability to stimulate muscle protein synthesis. In fact, whey protein has been found to stimulate muscle protein synthesis to a greater degree than other proteins such as casein and soy. This review examines the existing data supporting the role for protein consumption, with an emphasis on whey protein, in the regulation of muscle mass and body composition in response to resistance training, caloric restriction, and aging.
机译：骨骼肌是人体不可或缺的组织，在力量，性能，身体功能和代谢调节中起着关键作用。对运动员来说，至关重要的是要确保他们具有最佳的肌肉质量，以确保在给定运动中达到最佳表现。然而，在减肥过程中以及随着年龄增长，维持肌肉质量的作用是一个新兴的概念，对慢性疾病的预防，功能能力和生活质量具有影响。高蛋白饮食已显示出：（1）促进肌肉质量的增加，尤其是与阻力训练配合使用时； （2）热量限制期间多余的肌肉质量损失； （3）减轻衰老带来的自然肌肉质量损失。蛋白质质量对获得和维持肌肉质量很重要。蛋白质质量是蛋白质消化率，氨基酸含量以及所产生的氨基酸可利用度来支持代谢功能的函数。乳清蛋白是具有最高氨基酸含量（高必需氨基酸，支链氨基酸和亮氨酸氨基酸）和快速消化能力的优质蛋白质之一。乳清蛋白的消费具有刺激肌肉蛋白合成的强大能力。实际上，已发现乳清蛋白比其他蛋白（如酪蛋白和大豆）更能刺激肌肉蛋白的合成。这项审查检查现有的数据支持蛋白质消耗的作用，重点是乳清蛋白，以抵抗阻力训练，热量限制和衰老，从而调节肌肉质量和身体组成。

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