{"id":44016,"date":"2008-03-01T00:00:00","date_gmt":"2018-12-04T02:16:16","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/alkaline-diets-favor-lean-tissue-mass-in-older-adults\/"},"modified":"2018-12-04T03:16:16","modified_gmt":"2018-12-04T02:16:16","slug":"alkaline-diets-favor-lean-tissue-mass-in-older-adults","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/alkaline-diets-favor-lean-tissue-mass-in-older-adults\/","title":{"rendered":"Alkaline diets favor lean tissue mass in older adults."},"content":{"rendered":"<p style=\"text-align: justify\"><strong>BACKGROUND:<\/strong> Maintaining muscle mass while aging is important to prevent falls and fractures. Metabolic acidosis promotes muscle wasting, and the net acid load from diets that are rich in net acid-producing protein and cereal grains relative to their content of net alkali-producing fruit and vegetables may therefore contribute to a reduction in lean tissue mass in older adults.<\/p>\n<p style=\"text-align: justify\"><strong>OBJECTIVE: <\/strong>We aimed to determine whether there was an association of 24-h urinary potassium and an index of fruit and vegetable content of the diet with the percentage lean body mass (%LBM) or change in %LBM in older subjects.<\/p>\n<p style=\"text-align: justify\"><strong>DESIGN:<\/strong> Subjects were 384 men and women &gt; or =65 y old who participated in a 3-y trial comparing calcium and vitamin D with placebo. Potassium was measured in 24-h urine collections at baseline. The %LBM, defined as total body nonfat, nonbone tissue weight\/weight x 100, was measured by using dual-energy X-ray absorptiometry at baseline and at 3 y. Physical activity, height, and weight were assessed at baseline and at 3 y.<\/p>\n<p style=\"text-align: justify\"><strong>RESULTS:<\/strong> At baseline, the mean urinary potassium excretion was 67.0 +\/- 21.1 mmol\/d. Urinary potassium (mmol\/d) was significantly positively associated with %LBM at baseline (beta = 0.033, P = 0.006; adjusted for sex, weight, and nitrogen excretion) but not with 3-y change in %LBM. Over the 3-y study, %LBM increased by 2.6 +\/- 3.6%.<\/p>\n<p style=\"text-align: justify\"><strong>CONCLUSION: <\/strong>Higher intake of foods rich in potassium, such as fruit and vegetables, may favor the preservation of muscle mass in older men and women<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-44016","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Jean Mayer US Department of Agriculture Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA.\r\n\r\n","annee":"2008","mois":"3","numero":"87:3","page":"662-5","auteurs":[{"ID":44014,"post_author":"0","post_date":"2018-12-04 03:16:15","post_date_gmt":"2018-12-04 02:16:15","post_content":"","post_title":"Harris","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"harris-5","to_ping":"","pinged":"","post_modified":"2018-12-04 03:16:15","post_modified_gmt":"2018-12-04 02:16:15","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/harris-5\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":8440,"post_author":"0","post_date":"2018-12-03 18:00:13","post_date_gmt":"2018-12-03 17:00:13","post_content":"","post_title":"Bess Dawson-Hughes","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"bess-dawson-hughes","to_ping":"","pinged":"","post_modified":"2018-12-03 18:00:13","post_modified_gmt":"2018-12-03 17:00:13","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/bess-dawson-hughes\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"},{"ID":44015,"post_author":"0","post_date":"2018-12-04 03:16:15","post_date_gmt":"2018-12-04 02:16:15","post_content":"","post_title":"Ceglia","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"ceglia","to_ping":"","pinged":"","post_modified":"2018-12-04 03:16:15","post_modified_gmt":"2018-12-04 02:16:15","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/auteur\/ceglia\/","menu_order":0,"post_type":"auteur_resume","post_mime_type":"","comment_count":"0","filter":"raw"}],"sources":[{"ID":1720,"post_author":"0","post_date":"2018-12-03 16:01:56","post_date_gmt":"2018-12-03 15:01:56","post_content":"","post_title":"Am J Clin Nutr.","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"am-j-clin-nutr","to_ping":"","pinged":"","post_modified":"2018-12-03 16:01:56","post_modified_gmt":"2018-12-03 15:01:56","post_content_filtered":"","post_parent":0,"guid":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/source\/am-j-clin-nutr\/","menu_order":0,"post_type":"source","post_mime_type":"","comment_count":"0","filter":"raw"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.6 (Yoast SEO v23.6) - 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