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http://dx.doi.org/10.3746/jkfn.2004.33.1.101

Effect of Bluefin Tuna Bone on Calcium Metabolism of the Rat  

김영만 (동의대학교 생활과학대학 식품영양학과)
윤군애 (동의대학교 생활과학대학 식품영양학과)
황혜진 (동의대학교 생활과학대학 식품영양학과)
지규용 (동의대학교 한의학과)
손병일 (동의대학교 한방식품연구소)
배서영 (동의대학교 생활과학대학 식품영양학과)
김인령 (동의대학교 생활과학대학 식품영양학과)
정자영 (동의대학교 생활과학대학 식품영양학과)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.33, no.1, 2004 , pp. 101-106 More about this Journal
Abstract
This study was conducted to examine the effect of bluefin tuna bone on the bone metabolism of the rats. Weaned 6-week old male rats were fed low-calcium diets for 2 weeks after the adjustment period. Rats were divided into 6 groups and were fed experimental diets for six weeks. Experimental groups were \circled1 Normal calcium: CC (0.5% CaCO$_3$; control) \circled2 TB (bluefin tuna bone powder) \circled3 CT (citrated bluefin tuna bone powder) \circled4 BB (bovine bone powder) \circled5 CL (calcium lactate) \circled6 Low calcium LC (0.15% CaCO$_3$). Low-calcium diet group (LC) showed the lowest calcium retention. There was no differences in calcium excretion in stool and calcium absorption among various calcium sources. Serum calcitonin levels were high in TB, CT and BB group compared to those in CC, CL LC group. Parathyroid hormone and osteocalcin levels showed no differences among experimental groups. Deoxypyridinoline (DPD) levels were significantly higher in LC group than in other groups. Wet weight of the femur were significantly high in TB and CT group, and dry weight of femur showed no differences among normal calcium groups. Bone density of femur in LC group was significantly lower than those of normal calcium feeding group, and TB group showed highest bone density among experimental groups. There was no differences in bone metabolism among various calcium sources. Therefore, it is pointed out that the amount of calcium intake is very important because there was significant differences between normal calcium diet and low calcium diet. According to the results of femur weight, ash, calcium and bone density, it is suggested that bluefin tuna bone have alternative effects to bovine bone powder on the maintenance of bone health.
Keywords
tuna bone; bovine bone; calcium metabolism; bone density;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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