A higher alkaline dietary load is associated with greater indexes of skeletal muscle mass in women

Welch, Ailsa, Macgregor, Alexander, Skinner, Joanna, Cassidy, Aedin, Spector, T.D. and Moayyeri, A. (2013) A higher alkaline dietary load is associated with greater indexes of skeletal muscle mass in women. Osteoporosis International, 24 (6). pp. 1899-1908. ISSN 0937-941X

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Abstract

Conservation of muscle mass is important for fall and fracture prevention but further understanding of the causes of age-related muscle loss is required. This study found a more alkaline diet was positively associated with muscle mass in women suggesting a role for dietary acid-base load in muscle loss. Introduction: Conservation of skeletal muscle is important for preventing falls and fractures but age-related loss of muscle mass occurs even in healthy individuals. However, the mild metabolic acidosis associated with an acidogenic dietary acid-base load could influence loss of muscle mass. Methods: We investigated the association between fat-free mass (FFM), percentage FFM (FFM%) and fat-free mass index (FFMI, weight/height), measured using dual-energy X-ray absorptiometry in 2,689 women aged 18-79 years from the TwinsUK Study, and dietary acid-base load. Body composition was calculated according to quartile of potential renal acid load and adjusted for age, physical activity, misreporting and smoking habit (FFM, FFMI also for fat mass) and additionally with percentage protein. Results: Fat-free mass was positively associated with a more alkalinogenic dietary load (comparing quartile 1 vs 4: FFM 0.79 kg P <0.001, FFM% 1.06 %

Item Type: Article
Uncontrolled Keywords: diet acid-base load,fat-free mass,muscle,potential renal acid load (pral),sarcopenia
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
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Depositing User: Pure Connector
Date Deposited: 01 Oct 2013 01:57
Last Modified: 23 Jan 2019 13:48
URI: https://ueaeprints.uea.ac.uk/id/eprint/43498
DOI: 10.1007/s00198-012-2203-7

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