Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Effect of Korean Gu-Gi-Ja Tea on Plasma Hormone in Cd-administered Rats

구기자가 카드뮴 급여에 의한 흰쥐의 혈 중 호르몬에 미치는 영향

  • 한성희 (원광보건대학 식품과학과) ;
  • 신미경 (원광대학교 식품영양학과) ;
  • 이호섭 (원광대학교 한의과대학 한의학과)
  • Published : 2001.12.01
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Abstract

This study was designed to investigate the effects of Korean Gu-Gi-Ja tea on plasma hormone such as renin and aldosterone water in cadmium administered rats. The cadmium administered rats were given 50 ppm and 100 ppm of CdCl$_2$.2$H_2O$ disolved in the distilled water. Sixty male Sprague-Dawley rats weighing 100$\pm$10 g were divided into 6 groups according to body weight. The control group was fed standard diet without cadmium. The experimental groups, which were fed standard diet containing 50 ppm and 100 ppm cadmium and Gu-Gi-Ja tea group. The results of this study were as follows; food intake, body weight gain and kidney weight content in cadmium administered groups were lower than those in Gu-Gi-Ja tea group. The contents of cadmium in kidney of the rats were determined by using ICP (Inductively Coupled Plasma Spectrcphotometer). In kidney accumulation of Gu-Gi-Ja tea groups were lower than those in cadmium administered group. Plasma levels of renin activity was increased by Cadmium administration group, compared with Gu-Gi-Ja tea and cadmium administred group. Plasma levels of aldosterone activity was increased by cadmium administration group, compared with Gu-Gi-Ja tea and cadmium administred group. This results suggested that Gu-Gi-Ja tea has a lowering effects on the accumulation of cadmium in kidney and it is believed that the Gu-Gi-Ja tea has some protective effects to cadmium administered lenin and aldosterone hormone in rats, but the mechanism of these effects was obscure.

카드뮴 급여에 따른 구기자차 음용수가 흰쥐의 신장 무게, 신장 조직의 카드뮴 함량과 혈중 renin 및 aldosterone 호르몬 함량에 미치는 영향을 조사하였다. 체중 증가량과 식이 효 율은 각각 카드뮴 농도를 달리하여 급여한 군은 대조군, 구기자차 음용수군, 카드뮴과 구기자차 음용수 병합 급여군에 비하여 유의적으로 감소되었다. 신장조직의 무게에서 대조군이 2.33 g, 구기자 차 음용수 급여군은 2.51 g으로 대조군에 비하여 약간 감소하였고 각각 농도를 달리 한 카드뮴 급여군은 카드뮴과 구기자차 음용수 병합 급여군에 비하여 유의적으로 감소하였다. 신장조직의 카드뮴 함량은 구기자차 음용수군이 0.15$\mu\textrm{g}$/g, 대조군은 0.21 $\mu\textrm{g}$/g으로 대조군에 비하여 감소하였고, 각각 농도를 달리한 카드뮴 급여군에 비하여 구기자와 카드뮴 병합 급여군이 유의적으로 감소되었다. Renin 활성도에서 구기자차 음용수 급여군은 14.20 ngAl/mL/hr으로 대조군인 16.89 ngAl/mL/hr에 비하여 약간 감소하였으나 유의적 인 차이는 나타나지 않았다. 각각 농도를 달리한 카드뮴 급여군은 28.72, 29.12 ngAl/mL/hr으로 카드뮴과 구기자 차 음용수 병합 급여군인 17.99, 16.52 ngAl/mL/hr에 비하여 유의성 있게 증가하였다. Aldosterone활성도에서 대조군에 비하여 구기자 차 음용수 급여군이 약간 감소하였으나 유의적인 차이는 나타나지 않았다. 각각 농도를 달리한 카드뮴 급여군은 각각 731.37 pg/mL, 820.01 pg/mL에 비하여 카드뮴, 구기자차 음용수 병합 급여군인 408.48, 385.93 pg/mL로 유의적으로 감소하였다.

Keywords

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