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To the Editor:—
The excellent article, "Simplified Test of Fat Absorption," by Kent L. Osmon, Willard J. Zinn, and George K. Wharton in The Journal, June 8, 1957, page 633, was of great interest to me. The authors have described a test consisting of a determination of serum turbidity levels in subjects after the ingestion of a standard fat meal containing a measured amount of cream. Serum turbidity was measured in a photoelectric colorimeter. They found that serum turbidity correlates closely with the rise in total lipids following fat ingestion since this rise results principally from elevation of serum neutral fat.The authors state, "No simple, reliable method of following fat absorption, as it normally occurs in humans, is now in use." However, in a study I did several years ago with Drs. Asher Woldow and Richard A. Dunsmore, "Determination of Fat Tolerance in Patients with Myocardial Infarction: Method Utilizing
Schwartz L. FAT ABSORPTION TEST. JAMA. 1957;164(12):1383. doi:10.1001/jama.1957.02980120087022