Journal of Nutrition and Health

  • 제48권2호
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  • Pages.149-156
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  • 2015
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  • 2288-3886(pISSN)
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  • 2288-3959(eISSN)
한국영양학회 (The Korean Nutrition Society)
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이소플라본 보충과 운동의 병행이 성장기 쥐의 골격대사에 미치는 영향

Effects of combined intervention of isoflavone supplementation and exercise on bone metabolism in growing rats

  • 정윤정 (계명대학교 식품영양학과) ;
  • 최미자 (계명대학교 식품영양학과)
  • Jung, Yun-Jung (Department of Food and Nutrition, Keimyung University) ;
  • Choi, Mi-Ja (Department of Food and Nutrition, Keimyung University)
  • 투고 : 2015.03.12
  • 심사 : 2015.04.09
  • 발행 : 2015.04.30
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초록

이소플라본 보충과 운동의 병행이 성장기 암컷 흰쥐의 골격대사에 미치는 영향을 알아보고자 생화학적 골대사 지표 및 골대사 관련 호르몬, 척추와 대퇴 골밀도 및 골함량에 미치는 영향을 분석하였다. 그 결과, 체중증가량과 식이섭취량, 식이효율은 이소플라본 보충과 운동의 병행에 따라 실험군간에 유의적인 차이가 없었다. 골형성 지표인 혈중 ALP와 osteocalcin은 이소플라본 보충과 운동의 병행에 따라 실험군간에 유의적인 차이가 없었고, 골용해 지표인 요 중 DPD crosslink value는 실험군간에 유의적인 차이가 없었다. 골대사관련 호르몬인 혈중 부갑상선 호르몬, 칼시토닌 및 에스트로겐 농도도 실험군 간에 유의적인 차이가 없었다. 척추 골밀도, 척추 골함량 및 대퇴골함량은 이소플라본 보충과 운동의 병행에 의해 유의적인 차이가 없었고 대퇴골밀도는 IFR군이 대조군보다 유의적으로 높았다. 체중당 대퇴골함량은 IFS군이 대조군보다 유의적으로 높았다. 체중 당 척추골밀도 및 척추골함량, 체중 당 대퇴골밀도는 대조군과 비교하여 이소플라본 단독 보충, 달리기운동 병행, 수영운동 병행 모두 유의적으로 증가하여 실험군내에서 이소플라본 보충과 운동 병행에 따른 유의적 차이는 없었고 운동병행군에서는 운동형태에 따라 달리기와 수영 운동의 차이가 없었다. 결론적으로 성장기 쥐에서 이소플라본 보충과 운동의 병행은 이소플라본 단독보충과 비교하여 상승효과는 없었으나 이소플라본의 섭취 및 달리기와 수영운동 병행 각각은 척추 및 대퇴 골밀도와 골함량을 증가시켜 성장기 최대골밀도 형성에 유리한 것으로 나타났다.

Purpose: This study examined the effects of combined intervention of isoflavones and exercise on bone mineral density, bone mineral content, and biochemical bone markers. Methods: Forty rats were divided into four groups; Control, Isoflavones (IF), Isoflavones + Running (IFR), and Isoflavones + Swimming (IFS). All of the rats in this study were fed an experimental diet and deionized water ad libitum for nine weeks. Bone mineral density (BMD) and bone mineral content (BMC) were estimated using PIXImus (GE Lunar Co, Wisconsin.) in spine and femur nine weeks after feeding or training. Results: The combined intervention did not affect weight gain, mean food intake, or food efficiency ratio. The serum concentrations of ALP and osteocalcin were not significantly different by combined intervention. The urinary DPD crosslinks values were not significantly different by combined intervention. There were no significant differences in serum PTH, calcitonin, and estradiol among all groups. Spine BMD, spine BMC and femur BMC were not significantly different by combined intervention. However, femur BMD was significantly higher in the IFR group than in the control group. Compared with the control group, spine BMD, spine BMC, and femur BMD per weight were markedly increased in the isoflavones supplementation and combined intervention group. In addition, femur BMC per weight was significantly higher in the IFS group than in the control group. Compared with the isoflavones supplemented group, BMD and BMC were not significantly different by combined intervention. Conclusion: It can be concluded that isoflavones supplementation or combined intervention of isoflavone and exercise had a beneficial effect on spine and femur peak bone mass in growing female rats.

키워드

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피인용 문헌

  1. Soy Bioactive Components in Functional Perspective: A Review vol.19, pp.11, 2016, https://doi.org/10.1080/10942912.2015.1136936