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Effects of Krill Oil on serum lipids of hyperlipidemic rats and human SW480 cells

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Author(s): Zhu Jia-Jin | Shi Jia-Hui | Qian Wen-Bin | Cai Zhen-Zhen | Li Duo

Journal: Lipids in Health and Disease
ISSN 1476-511X

Volume: 7;
Issue: 1;
Start page: 30;
Date: 2008;
Original page

ABSTRACT
Abstract Background Cardiovascular disease (CVD) and colon cancer incidence are known to be closely related to dietary factors. This article evaluated effects of krill oil (KO) on serum lipids of hyperlipidemia rats and human colon cancer cells (SW480). Serum lipids of rats fed with high fat diet (HFD) and different doses of KO were measured by automatic analyzer. Effect of KO on viability of cells was determined by methyl thiazolyl tetrazolium (MTT) assay. Results Except for higher dose group, body weights decreased significantly. Total cholesterol (TC), LDL-cholesterol (LDL-C) of all dose groups, Triglycerides (TG) of low and mid dose groups descended significantly, while there were no significant differences of HDL-cholesterol (HDL-C), compared with control group. Treatment of colon cancer cells with KO also resulted in time-dependent inhibition of cell growth. Conclusion Our findings indicated that the consumption of KO may provide benefits to control serum lipid levels in certain diseases and inhibit growth of colon cancer cells. Therefore, KO may be a good candidate for development as a functional food and nutraceutical.