Journal of Nutrition and Health

  • 제40권7호
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  • Pages.616-623
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  • 2007
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  • 2288-3886(pISSN)
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  • 2288-3959(eISSN)
한국영양학회 (The Korean Nutrition Society)
권호 표지

난소절제 칼슘결핍 흰쥐에서 칼슘과 마그네슘의 보충이 혈액과 간의 지질함량에 미치는 영향

The Effects of Ca and Mg Supplementation on Serum and Liver Lipid Parameters in Ovariectomized and Ca Deficiency Rats

  • 배윤정 (숙명여자대학교 식품영양학과) ;
  • 김미현 (강원대학교 식품영양학과) ;
  • 승정자 (숙명여자대학교 식품영양학과)
  • Bae, Yun-Jung (Department of Food and Nutrition, Sookmyung Women's University) ;
  • Kim, Mi-Hyun (Department of Food and Nutrition, Kangwon National University) ;
  • Sung, Chung-Ja (Department of Food and Nutrition, Sookmyung Women's University)
  • 발행 : 2007.10.30
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초록

칼슘과 마그네슘 등의 무기질 섭취는 순환기계 질병과 밀접한 관련성이 있는 것으로 보고되고 있다. 여성은 폐경 이후 에스트로겐의 분비가 감소하면서 혈중 지질이 상승하게 된다. 따라서 폐경과 칼슘의 지속적인 결핍으로 인해 폐경 후 여성은 심혈관질환의 고위험군으로 분류될 수 있다. 이에 본 연구에서는 폐경 후 여성에서 칼슘과 마그네슘의 섭취수준이 지질패턴의 개선에 미치는 영향을 알아보기 위하여 총 50마리의 흰쥐를 각 10마리씩, 난소절제-저칼슘군, 난소절제-적정칼슘군, 난소절제-저칼슘마그네슘보충군, 난소절제-적정칼슘마그네슘보충군, Sham 대조군으로 분류하여 12주간 사육한 후 혈중과 간조직 중 지질을 분석하였다. 그 결과 혈중 총콜레스테롤, 중성지질, HDL-콜레스테롤은 군간 유의한 차이를 보이지 않았으며, LDL-콜레스테롤은 난소절제군이 Sham 대조군에 비해 높았다 (p < 0.01). 난소절제-적정칼슘군의 AI (Atherogenic index), TPH(Total cholesterol/HDL-C)와 LPH (LDL-C/HDL-C)는 난소절제-저칼슘군에 비해 유의적으로 낮게 나타났으며 (각 p < 0.05), 난소절제-적정칼슘마그네슘보충군의 LDL, AI, TPH 수준은 난소절제-저칼슘군에 비해 유의적으로 낮았다.(각 P < 0.05). 간의 총 지질함량은 난소절제-적정칼슘군과 난소절제-적정칼슘마그네슘보충군이 난소절제-저칼슘마그네슘보충군에 비해 유의적으로 낮게 나타났고, 난소절제-저칼슘군과 난소절제-저칼슘마그네슘보충군의 간의 총 지질 함량은 Sham 대조군에 비해 유의적으로 높았다 (p < 0.01). 간조직 중 총콜레스테롤함량은 군간 유의한 차이가 없었다. 이상의 결과를 통하여 난소절제시 적정칼슘의 섭취가 혈중 AI와 TPH, LPH 및 간조직 중 총 지질함량을 감소시켜 칼슘결핍군에 비하여 심혈관질환의 위험을 낮추는 효과를 보였으며, 적정칼슘에 마그네슘의 보충이 실시되었을 때 칼슘결핍군보다 LDL-콜레스테롤, AI, TPH가 감소하는 효과를 보였다. 이러한 결과를 통하여 폐경 후 여성에서 심혈관 질환의 예방을 위해 칼슘의 적정한 섭취가 중요하며, 마그네슘 보충에 의한 심혈관질환에 대한 효과는 적정한 수준의 칼슘을 섭취할 때 나타나기 때문에 폐경 후 여성의 심혈관질환의 예방 및 관리차원에서 마그네슘의 보충은 칼슘섭취와의 관계를 반드시 고려하여야 할 것으로 사료된다.

This study was carried out to investigate the Ca and Mg supplementation on the serum and liver lipid parameters in ovariectomized and Ca deficiency rats. Total 50 Sprague Dawley female rats (6 weeks) were divided into 5 groups and bred for 12 weeks: sham operated control group (SNCa), OVX Ca deficiency poop (OLCa) with Ca deficiency diet (0.1% Ca modified AIN-93N diet), OVX Ca deficiency & Mg supplement group (OLCaMg), OVX adequate Ca group (OACa; 0.5% Ca AIN-93N diet) and OVX adequate Ca & Mg supplement group (OACaMg). There were no significant difference among the five groups in serum total cholesterol, triglyceride and HDL-cholesterol levels. LDL-cholesterol of OVX groups was significantly higher than that of SNCa group (p < 0.01). AI (Atherogenic index), TPH (Total cholesterol/HDL-C) and LPH (LDL-C/HDL-C) of OACa group were significantly lower than those of OLCa groups. OACaMg group had significantly lower levels LDL, AI and TPH than OLCa group. There was no significant difference in lever cholesterol level. However, liver total fat content of OACa was significantly lower than that of OLCa. From the above the results, it is concluded that the accumulation level of calcium shows how the supplement of magnesium affects hyperlipidemia. Therefore, in order to prevent women#s hyperlipidemia after menopause, and to keep healthy, it is encourage able to consider how the supplement of magnesium relates calcium intake.

키워드

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