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Publication Abstract

Authors: De Angel RE, Berrigan D, Núñez NP, Hursting SD, Perkins SN

Title: Dietary calcium source influences body composition, glucose metabolism and hormone levels in a mouse model of postmenopausal obesity.

Journal: In Vivo 23(4):527-35

Date: 2009 Jul-Aug

Abstract: BACKGROUND: The prevalence of obesity has risen dramatically, with postmenopausal women particularly prone to increased adiposity. Epidemiologic data suggest that dietary calcium, particularly from dairy products, can decrease weight gain. The aim of this study was to evaluate effects of different calcium sources in a mouse model of postmenopausal obesity. MATERIALS AND METHODS: Ovariectomized C57BL/6 mice were randomized to either low-fat (LF) or high-fat (HF) diets containing either calcium phosphate from non-fat dried milk and whey mineral concentrate (dairy) or calcium carbonate (supplement). RESULTS: Dairy, but not supplement, decreased weight gain and percent body fat in HF mice, with no effect on food consumption. Dairy improved insulin resistance and glucose tolerance, while supplement increased bone mineral density in LF mice. Dairy had no effect on bone. CONCLUSION: The beneficial effects of dietary calcium on body weight and bone health after menopause may be significantly influenced by other dietary components.

Last Modified: 03 Sep 2013