Dietary protein recommendations and the prevention of sarcopenia
By D. Paddon-Jones, B. Rasmussen. Current opinion in clinical nutrition and metabolic care, 2009
855 citations recorded by the source corpus.
Purpose of reviewTo draw attention to recent work on the role of protein and the amount of protein needed with each meal to preserve skeletal muscle mass in ageing. Recent findingsAgeing does not inevitably reduce the anabolic response to a high-quality protein meal. Ingestion of approximately 25–30 g of protein per meal maximally stimulates muscle protein synthesis in both young and older individuals. However, muscle protein synthesis is blunted in elderly when protein and carbohydrate are coingested or when the quantity of protein is less than approximately 20 g per meal. Supplementing regular mixed-nutrient meals with leucine may also enhance the muscle protein synthetic response in elders. SummaryOn the basis of recent work, we propose a novel and specific dietary approach to prevent or slow down muscle loss with ageing. Rather than recommending a large, global increase in the recommended dietary allowance (RDA) for protein for all elderly individuals, clinicians should stress the importance of ingesting a sufficient amount of protein with each meal. To maximize muscle protein synthesis while being cognizant of total energy intake, we propose a dietary plan that includes 25–30 g of high quality protein per meal.
Subfields: Cell Biology, Nutrition and Dietetics, Physiology
View Paper: https://www.semanticscholar.org/paper/2e15eff21594d29d410c6637c5e1b81c647ce4d7
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Citations in the corpus
- Scientific Opinion on Dietary Reference Values for protein. (2012, background): “Lastly, exercise has been demonstrated to improve nitrogen balance and to decrease losses of lean mass in older adults, and the studies concluded that an increase in dietary protein alone above the usual recommended intake does not change body composition or improve lean body mass unless accompanied”
- Nutritional Recommendations for the Management of Sarcopenia (2010, positive): “However, larger amounts of protein (defined as protein or amino acid mixtures with more than 10 g of essential amino acids) produce responses equal to those in younger persons.(35,36) Many commentators have argued that the recommended daily allowance for protein, although sufficient for healthy indi”