The Effect of Spiny Lobster Shell Powder on Bone Metabolism in Ovariectomized Osteoporotic Model Rats.
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概要
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Calcium has been found to be indispensable in the preven-tion of osteoporosis. Recently, there has been a great deal of research into the best way to consume calcium. In this study, the effect of "powdered lobster shell" on bone metabolism was examined in ovariectomized osteo-porotic model rats. This powder has a good flavor and taste, and contains high quantities of calcium. Six-week-old SD-strain female rats were ovariectomized and were fed a low Ca diet (0.01% Ca and 0.3% P) for 32 days. Thereafter, the rats were divided into two groups; the control group was fed a control diet (0.3% Ca and 0.3% P) and an experimental group, the lobster group, was fed a lobster shell powder diet (0.3% Ca and 0.3% P) ad libitum for 30 days. The results were as follows: in comparison with the control group, the lobster group had significant increases in (1) bone mineral density [BMD (DEXA Hologic's QDR-1000] of lumbar spines and tibial proximal metaphyses, which are mainly trabecular bones, and BMD of tibial diaphyses, which is a mainly cortical bone, (2) the breaking force and energy of femur. These results suggests the lobster shell powder could be. a valuable source of dietary calcium in increasing BMD, breaking force and energy in osteoporotic model rats.
- 財団法人 学会誌刊行センターの論文
著者
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Omi Naomi
Department Of Exercise Nutrition Graduate School Of Comprehensive Human Sciences University Of Tsuku
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EZAWA Ikuko
Department of Biochemistry, Faculty of Dentistry, Tokyo Medical and Dental University
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MORIKAWA Naomi
Department of Food and Nutrition, School of Home-Economics, Japan Women's University
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