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http://dx.doi.org/10.5352/JLS.2005.15.4.613

Effect of Chicory Extract on Triglyceride Metabolism in Rats  

Cha Jae-Young (Department of Biotechnology, Dong-A University)
Park Chae-Kyu (KT&G Central Research Institute)
Kang Ho Young (Division of Biological Sciences, Pusan National University)
Cho Young-Su (Department of Biotechnology, Dong-A University)
Publication Information
Journal of Life Science / v.15, no.4, 2005 , pp. 613-618 More about this Journal
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 riglyceride 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.
Keywords
Chicory extracts; Microsomal triglyceride transfer protein; Triglyceride; Phosphatidate Phosphohydrolase;
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