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

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Effects of Raw Soy Flour and Magnesium on Serum Glucose and Lipid Metabolism in Streptozotocin-Diabetic Rats

대두와 Magnesium 급여가 당뇨쥐의 혈당 및 지질대사에 미치는 영향

  • 고진복 (부산여자대학교 생물학과)
  • Published : 1996.12.01
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Abstract

Effects of raw soy flour(RSF) and RSF with magnesium supplementation(RSF+Mg) feeding on lipid metabolism and serum glucose concentration of diabetic and nondiabetic rats were studied. Male rats(Sprague-Dawley, body weight $332.8\pm19.3g)$ were assigned to four dietary groups and fed for 4 weeks. For each experimental diet some rats were injected with streptozotocin in intraperitonium (i.p.) to induce diabetes, and other rats were injected with buffer i.p. as a nondiabetic group. The diabetic rats fed diets of control, RSP and RSF+Mg showed significant body weight decrease(-67~-79g) compared with nondiabetic group. Pancreas weights in diabetic RSF and RSF + Mg groups were heavier than those of the control and nondiabetic groups. , Fasting serum glucose level of diabetic RSF and RSF+Mg groups significantly decreased by 73 and 44% compared with the diabetic control group, but they significantly increased by 77 and 111% compared with the nondiabetic group. Serum triglyceride, phospholipid and total cholesterol concentration of diabetic RSF and RSF + Mg groups significantly decreased compared with the diabetic control group. Serum HDL-cholesterol, HDL-cholesterolitoal cholesterol ratio and liver total cholesterol were not affected by RSF and RSP+Mg feeding, Liver total lipid and triglyceride concentration were significantly lower in diabetic groups than those in the nondiabetic group. The results indicated that RSF and RSF+Mg feeding did not produce hyperlipemia and somewhat improved the glucose levels in diabetic rats.

20% 생콩가루 및 생콩가루에 마그네슘 첨가 식이로 streptozotoxin 유발 당뇨쥐를 4주간 사육하여 체중, 간과 췌장무게, 혈당, 혈중 지질 농도 및 간의 지질 농도에 미치는 영향을 조사하였다. 모든 당뇨군은 당뇨병으로 인한 대사장애로 정상군에 비하여 체중이 감소되었다. 간의 총 무게는 대조군과 모든 당뇨군이 비슷한 무게를 보였으나, 체중에 대한 간 무게의 %비율은 모든 당뇨군이 대조군 보다 유의하게 증가하였다. 췌장의 무게는 대조군 및 당뇨대조군에 비하여 당뇨생콩군 및 당뇨생콩+마그네슘군이 유의하게 증가되었다. 혈당량은 당뇨대조군에 비하여 당뇨생콩군 및 당뇨생콩+마그네슘군이 각각 73% 및 44% 유의하게 감소되었으나, 정상대조군에 비하여는 당뇨생콩군 및 당뇨생콩+마그네슘군이 각각 77및 111%증가되어 정상수준으로 혈당을 낮추지는 못하였다. 혈청의 중성지질, 인지질 및 총 콜레스테를 농도는 당뇨생콩군과 당뇨생콩+마그네슘군이 당뇨대조군에 비하연 유의하게 감소되어 정상대조군과 비슷한 경향으로 혈청의 지질 농도는 정상 수준으로 개선되었다. 간의 총 지질과 중성지질 농도는 대조군에 비하여 각 당뇨군이 유의하게 감소 되었으며, 특히 당뇨생콩+마그네슘군이 가장 낮은 농도를 보였다. 인지질 농도는 당뇨생콩+마그네슘군이 유의하게 감소되었다. 그리고 간의 총 콜레스테를 농도는 각 실험군이 변화를 보이지 않았다. 혈청의 HDL-콜레스데를 농도는 대조군과 당뇨실철군이 비슷한 수준을 보였다. 이상의 결과로 보아 생콩이 당뇨쥐의 혈당을 낮추어 주는 작용이 있고, 혈청 지질대사의 개선효과 등 부분적인 개선 효과가 있는 것으로 나타났으나 앞으로 많은 연구가 이루어져야 할 것으로 사료된다.

Keywords

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