Study of novel lipid-lowering effects of sesaminol, a sesame lignan

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Sesaminol is a sesame lignin and is present most exclusively occurring as sesaminol triglucoside in sesame seed. In this study, effect of sesaminol aglycone on lipid metabolism was investigated in Sprague-Dawley rats. Four-week-old male rats were fed diets containing 0～ 0. 20% sesaminol. After 4 week-feeding period, serum and liver lipids levels were determined. We reported, for the first time, that dietary sesaminol significantly reduce(s) serum and hepatic lipids, especially triglyceride levels in a dose dependent manner ; this reduction appeared to be greater than those of a well-known other functional components. The mechanism responsible for the observed reduction in the concentration of triglyceride may be due to a reciprocal response in the enzyme activities involved in fatty acid synthesis and oxidation.