Abstract

본 연구는 해조류에 존재하는 황산기를 함유하고 있는 후코이단의 급성 알코올 간 손상 모델에서의 간 보호능을 관찰하였다. 실험 결과 후코이단은 급성으로 알코올을 섭취시킨 쥐의 체중감소를 억제시켰으며, 알코올 섭취를 통해 나타날 수 있는 중성지질, 콜레스테롤, LDL-콜레스테롤 상승을 유의적으로 감소시킨 것으로 나타났다. 또한 간 기능을 대표하는 혈중의 GOT는 유의적인 차이는 없었으나, GPT는 유의적으로 후코이단 경구투여에 의해 감소되었다. 또한 후코이단은 지방이 비대해 지는 현상과 간세포의 지방축척을 감소시킨 것으로 관찰되었다. 따라서 이러한 결과로 보아 후코이단은 급성 알코올 섭취에 의한 간손상을 완화시켜 줄 수 있는 식품소재로 활용가능하다고 사료된다. The purpose of this study was to investigate the protective effects of fucoidan on acute alcohol-induced liver injury in rats. Experimental animals were randomly divided into four groups: (1) a control group, (2) a group fed 25% ethanol, (3) a group fed 25% ethanol and 250 mg/kg BW of fucoidan (25% ethanol+FUCO250), and (4) a group fed 25% ethanol and 500 mg/kg BW of fucoidan (25% ethanol+FUCO500). Each group was fed orally two times per day for 15 days. Liver weights in the 25% ethanol group were increased compared to the control group, while liver weights in the 25% ethanol+FUCO500 group were significantly decreased compared to the 25% ethanol group (p<0.05). Plasma concentrations of triglyceride, cholesterol, and LDL-cholesterol were elevated in the 25% ethanol group; however, these levels in the 25% ethanol+FUCO250 group were significantly decreased compared to the 25% ethanol group (p<0.05). The glutamic-pyruvic transaminase activity of the 25% ethanol+FUCO500 group also was significantly lower than the 25% ethanol group (p<0.05). These results indicate that fucoidan might protect against acute alcohol-induced liver injury.

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