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KMID : 0613820050150040613
Journal of Life Science
2005 Volume.15 No. 4 p.613 ~ p.618
Effect of Chicory Extract on Triglyceride Metabolism in RatsÄ¡Ä¿¸® ¼ö¿ë¼º ÃßÃâ¹°À» 2% ¹× 4% ¼öÁØÀ¸·Î ÷°¡ÇÑ ½ÄÀ̸¦ Sprague-Dawle°è ÈòÁã¿¡ 2ÁÖ°£ Åõ¿©ÇÏ¿© Áß¼ºÁöÁú ´ë»ç¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» °ËÅäÇÏ¿´´Ù. Ç÷û Áß¼ºÁöÁú ³óµµ´Â ´ëÁ¶±º¿¡ ºñÇØ Ä¡Ä¿¸® ÃßÃâ¹° Åõ¿©±º¿¡¼­ ÇöÀúÈ÷ °¨¼Ò ÇÏ¿´´Ù. Apolipoprotein B-ÇÔÀ¯ lipoproteinÀÇ ÇÕ¼º ¹× ºÐºñ¿¡ ÇʼöÀûÀÎ °£Àå microsomal triglyceride transfer protein (MTP) È°¼ºµµ Ä¡Ä¿¸® Åõ¿©±º¿¡¼­ ÇöÀúÈ÷ °¨¼ÒÇÏ¿´´Ù. °£ Á¶Á÷¿¡¼­ Áß¼ºÁöÁú ÇÕ¼ºÀÇ Áß¿ä Á¶ÀýÈ¿¼Ò·Î ¾Ë·ÁÁø phosphatidate phosphohydrolase (PAP) È°¼ºÀº °¢ ½ÇÇ豺°£¿¡ Å« Â÷ÀÌ´Â ¾ø¾ú´Ù. ¶ÇÇÑ Ç÷û ¹× °£ Á¶Á÷ÀÇ ÄÝ·¹½ºÅ×·Ñ, ÀÎÁöÁú, À¯¸®Áö¹æ»ê ³óµµµµ °¢ ½ÇÇ豺°£¿¡ À¯ÀÇÀûÀÎ Â÷ÀÌ´Â ¾ø¾ú´Ù. ÀÌ»óÀÇ ½ÇÇè°á°ú¿¡¼­ Ä¡Ä¿¸® ¼ö¿ë¼º ÃßÃâ¹° 2% ¹× 4% ÷°¡´Â °£ Á¶Á÷¿¡¼­ Ç÷ÁßÀ¸·Î ºÐºñÇϴµ¥ Áß¿äÇÑ ¿ªÇÒÀ» ÇÏ´Â MTP È°¼ºÀÇ °¨¼Ò°¡ Ç÷û Áß¼ºÁöÁú ³óµµÀÇ °¨¼Ò¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â Áß¿äÇÑ ¿äÀÎÀ¸·Î »ç·áµÇ¾ú´Ù.
Cha Jae-Young

Park Chae-Kyu
Kang Ho-Young
Cho Young-Su
Abstract
We investigated the effect of chicory (Chicorium intybus) extract on triglyceride concentration and microsomal triglyceride transfer protein (MTP) activity in rats. The effect of water-soluble extract of chicory fed at the 2.0% and 4.0% (w/w) levels for 2 weeks on the concentration of serum triglyceride and the activity of hepatic microsomal triglyceride transfer protein (MTP) was investigated in male Sprague-Dawley rats. The triglyceride concentrations in serum of the chicory extract fed groups were significantly lower than in the control group. MTP activity, known to be essential for the assembly/secretion of apolipoprotein B-containing lipoproteins, was also significantly lower in the chicory extract groups than in the control group. The concentrations of other lipids in serum and liver and the activity of phosphatidate phosphohydrolase, the rate-limiting enzyme in triglyceride synthesis, showed no significant differences among in the chicory fed groups. These results indicate that dietary chicory extract decrease hepatic MTP activity and serum triglyceride concentration, and therefore reduces hepatic lipoprotein assembly and secretion.
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