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Effects of dairy calcium on body composition in obese postmenosaul women
Author(s) -
Fakhrawi Dina H,
Fernandez MariaLuz,
Beeson Lawrence,
Feleke Daniel,
Kim Hannah,
Darnell Allan,
CorderoMacIntyre Zaida
Publication year - 2006
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.20.4.a584-d
Subject(s) - medicine , leptin , calcium , endocrinology , zoology , obesity , trunk , composition (language) , calorie , biology , linguistics , philosophy , ecology
We evaluated the effects of dairy calcium on changes in body composition using dual x‐ray absorptiometry (DXA) over 3 months in obese postmenopausal women. A 3‐month weight reduction program involving calorie restriction (1,400 kcal) and dairy product calcium intake was conducted. The treatment evaluated changes in body composition in 54 obese postmenopausal women (BMI >26 kg/m²). The participants in the high calcium (HC) group consumed (~1400 mg Ca/day), and in the low calcium (LC) group (~800 mg Ca/day). Measurements were done with fan beam DXA Hologic QDR‐4500A software V8.26a. Over the 3‐months the daily energy intake averaged 51 % carbohydrate, 20.7 % of protein and 27.6 % of fat. After 3 months there were decreases in BMI (P<0.005), total fat (P<0.0001) and trunk fat (P<0.001) in both groups. Total fat decreased from 36.1 ± 7.0 to 34.7 ± 6.9 kg and trunk fat decreased from 18.3 ± 4.4 to 17.6 ± 4.4 kg after 3 months in the HC group. For the LC group the values were 37.3 ± 12.4 kg at baseline and 35.4 ± 13.4 after 3 months for total fat and 17.0 ± 7.1 (baseline) and 16.4 ± 7.6 kg (after 3 months). Insulin was not affected by this intervention while plasma leptin decreased from 32.5 ± 9.9 μg/L to 31.3 ± 9.6 μg/L at 3 months (P < 0.05) in the HC group and from 27.8 ± 9.9 to 25.2 ± 11.1 μg/L (P < 0.05) at 3 months for the LC group. These results indicate that the intervention was successful in decreasing BMI, improving body composition parameters and leptin values for both groups. However, dairy calcium intake did not affect the measured variables.