Research on the utility of the Ainu race traditional food, sikerepe
2008
Ishii, S.(Rakuno Gakuen Univ., Ebetsu, Hokkaido (Japan)) | Tamashiro, M. | Shibata, C. | Iwano, H.
The Ainu race is knowledgeable about the uses of the wild plant. Sikerepe is a nut of the Amur cork-tree (Phellodendron amurense Rupr.). Sikerepe has traditionally been an important food for the Ainu. It has been used for medicinal purposes. To date, detailed research has not been carried out on the properties of sikerepe. As a result, this study involved an analysis of principal component and trace elements of sikerepe. The plant had a low level of water content, and the trace elements were rich. The level of the trace elements was approximate to the numerical value of the fruit of Japanese pepper. Thus, the taste is very spicy like Japanese paper. The sikerepe could be used as a new spice. To study the effect of sikerepe to the lipid metabolism, the test feed for the SD rats was prepared by including sikerepe for 5% of the diet. Therefore, on all the days on which measurements were taken, there was no difference between the cholesterol level in the control and test group. There was significance (P0.05) in comparison with the controlled group (221.632+-25.620 mg/dl) on the triglyceride in the test group (131.108+-9.699 mg/dl) in the breeding eighth. The research clarified that sikerepe does not raise triglyceride in the initial stage when it is first eaten. Influences for gene expression of drug metabolism enzymes in the rat liver treated with sikerepe also were examined. As a result, expression levels of the enzymes in the rat liver treated with sikerepe were not difference compared with control rat.
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