The Hypolipidemic Effect of an Ethyl Ester of Algal-Docosahexaenoic Acid in Rats Fed a High-Fructose Diet
2009
Ryan, Alan S. | Bailey-Hall, Eileen | Nelson, Edward B. | Salem, Norman Jr
Preclinical and clinical studies demonstrate that the omega-3 fatty acids docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) as a triacylglycerol (TAG) or an ethyl ester are protective against cardiovascular disease. Both have significant TAG-lowering effects. We developed a concentrated ethyl ester of DHA (MATK-90, 900 mg/g) using microalgae as its source. This study evaluated the effects that different doses of MATK-90 had on lipid levels and clinical parameters in male Wistar rats fed a high-fructose diet used to induce hypertriglyceridemia (TAG >= 300 mg/dL). Effects of MATK-90 were compared to those produced by a pharmaceutical product (Lovaza, formerly Omacor, P-OM3; 465 mg EPA + 375 mg DHA), a TAG oil used in food (DHASCO, algal-DHA, 40% DHA by weight), and a control (corn oil). Doses of MATK-90 (0.6, 1.3, 2.5, 5.0 g kg⁻¹ day⁻¹), algal-DHA (2 g DHA kg⁻¹ day⁻¹), and P-OM3 (5.0 g kg⁻¹ day⁻¹) were administered by oral gavage for 28 days. A significant dose-related decrease was observed in TAG and cholesterol levels in all but the lowest dose of MATK-90 treatment group vs. control. The high-dose group of MATK-90 and the P-OM3 group produced similar reductions in TAG levels.
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