EFFECTS OF THIAMINE ON LIPID METABOLISM IN MAGNESIUM DEFICIENT RATS

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Six different synthetic diets were given to wistar rats for four weeks Group 1, thiamine and magnesium deficient; group 2, thiamine deficient, magnesium sufficient; group 3, thiamine adequate, magnesium deficient; group 4, thiamine adequate, magnesium sufficient; group 5, thiamine ex-cess, magnesium deficient; group 6, thiamine excess, magnesium sufficient. Triglyceride, cholesterol, and total lipid levels in the livers of group 3 and 5 rats increased significantly. These values decreased in groups 1 and 2. Incorporation of ¹⁴C-acetate to liver lipid or cholesterol fractions increased in magnesium deficient groups (groups 3 and 5) rather than in the magnesium containing groups (groups 4 and 6). This increase was most prominent in the thiamine and magnesium deficient (group 1) and thiamine deficient magnesium sufficient groups (group 2).