The effects of Angelica keiskei Koidz on the expression of antioxidant enzymes related to lipid profiles in rats fed a high fat diet
2012
Kim, E.M., Korea Food Research Institute, Sungnam, Republic of Korea | Choi, J.H., Youngnam University, Gyeongsan, Republic of Korea | Yeo, I.H., Pulmuone. Co., Ltd., Seoul, Republic of Korea
This study was performed to examine the feeding effects of Angelica keiskei Koidz (AK) and its processed products on serum, liver, and body fat content and the expression of antioxidant genes in rats fed a high fat diet. AK and its processed products were added at 3-5% to a high fat diet and fed to adult rats for 6 weeks. In experiment 1 (EXP 1), the rats were fed with one of six diets including a control diet (normal fat), high fat diet (HF), and HF + AK additives groups (four groups). In experiment 2 (EXP 2), the rats were separated into three groups of HF, HF + AK whole leaves, and HF + fermented juice (FS) + squeeze (SA). Body weight was not different among the groups in either experiment. The liver weight was lower in the FS and SA groups compared to that in the other groups (P less than 0.05). Serum luteolin was higher in the AK and processed products groups compared to that in the HF group (P less than 0.05). Gene expression of the antioxidative enzymes catalase and glutathione-s-reductase in the liver was higher in the AK processed products group than that in the other groups (P less than 0.05). The results suggest that the intake of AK and its processed products increased the expression of antioxidant enzymes in animals fed a high fat diet, reduced hepatic cholesterol content, and increased the effective absorption of luteolin.
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