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http://dx.doi.org/10.3746/jkfn.2003.32.4.608

A Study of Protein Nutritional Status and Bone Metabolism of Postmenopausal Vegetarian Women  

김미현 (숙명여자대학교 식품영양학과)
승정자 (숙명여자대학교 식품영양학과)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.32, no.4, 2003 , pp. 608-613 More about this Journal
Abstract
Recently, interests in the influences of vegetarian diet on bone mineral density after menopause have been rapidly increased. The purpose of this study was to compare the protein nutritional status and bone mineral density of postmenopausal vegetarian women with that of the omnivores. Vegetarian (n=38, seven day adventists) were chosen from the subjects in previous study, and the subjects were matched with omnivores counterparts with respect to age and BMI. Anthropometric measurements, dietary intakes, and bone mineral density (BMD) were taken. The bone metabolism related marker including urinary deoxypyridinoline and urinary pH, and serum protein and albumin concentrations were evaluated. The average age of vegetarians and omnivores were 60.7 yrs and 60.5 yrs, respectively md, there was no significant difference. The mean daily energy intake of vegetarians and omnivores were 1518.5 ㎉ (82.7% of RDA) and 1355.5 ㎉ (72.6% of RDA), respectively. The mean calcium intake of vegetarians (492.6 mg, 70.3% of RDA) was not significantly different from that of omnivores (436.6 mg, 62.3% of RDA). There was no significant difference in BMDs of spine and femoral neck between vegetarians and omnivores. Urinary deoxypyridinoline (DPD) level was not significantly different. In the vegetarians, the intakes of total protein (p<0.05) and plant protein (p<0.05) had significant negative correlations with urinary DPD. In the omnivores, serum albumin showed significant positive correlations with urinary DPD (p<0.05). In conclusion, we can not find the beneficial roles of vegetarian diet on bone mineral metabolism. For the postmenopausal vegetarian woman, protein intake would be an important factor to promote skeletal health.
Keywords
vegetarian diet; protein; bone mineral density; postmenopausal women;
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