고 Isoflavone 콩나물이 만성 에탄올 투여 흰쥐의 지질대사에 미치는 영향

국문 초록 (Abstract)

본 연구는 고 isoflavone 콩나물이 만성 에탄올 섭취 동물에서 지질대사와 항산화 효소계에 미치는 영향을 살펴보고 기능성 식품으로서의 가능성을 알아보기 위하여 수행되었다. 실험동물은 SD계 수컷쥐를 사용하였으며 40일간 Lieber-DeCarli 액체식이를 일부 변형한 실험식을 공급하여 고 isoflavone 콩나물과 isoflavone 추출물이 에탄올 투여 흰쥐의 지질대사와 항산화효소계에 미치는 영향을 조사하여 다음과 같은 결과를 얻었다. High SS군은 알코올 대조군에 비하여 체중증가량, 식이섭취량 및 식이효율이 모두 증가되었으나, low SS군과 IE군은 전반적으로 체중증가량, 식이섭취량 및 식이효율이 알코올 대조군보다 낮았다. 고 isoflavone 콩나물과 대두 isoflavone 추출물은 알코올 투여시 증가된 혈장 TG, TC, AI를 낮추었고, HDL-chol/TC의 비를 높였으며 간조직의 총 지질량, TG, TC 수준을 낮추었다. Isoflavone 추출물은 간조직의 TBARS 수준을 유의하게 낮추었으나 간조직 항산화효소 활성도를 증가시키지는 않았으므로 isoflavone의 항산화기전에 대한 연구가 필요할 것으로 보인다. 이상의 결과로부터 고 isoflavone 콩나물과 isoflavone 추출물은 혈장과 간조직의 지질 농도와 지질과산화를 낮추며 일부 항산화 효소계에 긍정적인 효과를 미치는 것으로 보인다.

다국어 초록 (Multilingual Abstract)

The present study evaluated the effects of isoflavone-rich bean sprout on the lipid metabolism in ethanol-treated rats. Fifty male Sprague-Dawley rats were randomly divided into five groups: normal control, alcohol control, low soybean sprout＋ethanol (low SS), high soybean sprout＋ethanol (high SS) and isoflavone extract ＋ethanol (IE). They were fed experimental diets based on Lieber-DeCarli liquid diet for 40 days. Body weight, food intake and feed efficiency ratio (FER) of ethanol-treated groups were significantly suppressed compared with that of the normal control group. Among the ethanol-treated groups, high SS group showed in significant increase in the body weight, food intake and FER. Supplementation of isoflavone-rich soybean sprout powder or isoflavone extract significantly decreased plasma triglyceride (TG), total cholesterol (TC), atherogenic index (AI) and increased the ratio of HDL-cholesterol to TC. Supplements also significantly decreased total lipid, TG and TC in liver tissue compared with that of alcohol control. There was a significant decrease in hepatic lipid peroxidation products in IE group compared with other ethanol-treated groups. This results suggest that supplementation of isoflavone-rich bean sprout powder may exert beneficial effects on lipid metabolism in chronically alcohol-treated animals by improving lipid profiles in plasma and liver tissues.

목차 (Table of Contents)

• Abstract
• 서론
• 재료 및 방법
• 결과 및 고찰
• 요약
• 문헌

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