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To the Editor:—
The excellent article "Lowering Blood Lipid Levels by Changing Food Patterns," which appeared in The Journal (168:1989-1995 [Dec. 13] 1958), is one of the first practical articles dealing with the use of vegetable oils as replacement of solid fat in the diet to decrease the serum cholesterol level. The authors are to be complimented for their reasonable approach to a complex dietary problem and for again confirming the cholesterol-depressing effect found by earlier investigators. There are some statistical errors in the article in connection with the availability of certain oils. The article states that a bushel of corn produces only 0.75 lb. of oil. Practical corn oil refinery operations yield about 2 lb. of oil per bushel of corn. The actual amount of oil present in the grain itself is about 4% of the total weight. The impression that corn oil is not readily available should
Ruark RG. LOWERING BLOOD LIPID LEVELS. JAMA. 1959;169(8):849. doi:10.1001/jama.1959.03000250067021
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