On the Quantity and Quality of Fats and Oils Ingested by Japanese People (Report 2.)

Abstract

In the previous report the quantity and quality of fats and oils consumed by the ordinary households were surveyed in Tokyo and the neighboring cities. The survey was expanded on the patients of hypertension, and this time 18 elderly men and women who had been suffering from the hypertension were the subjects of the survey.Their daily fat intake calculated from the recipes recorded by them was on an average 32.5g, which was higher than that of all Japanese average(The National Nutrition Survey), and the ratio of fat calories to total calories was 17.3%, which was also higher than other surveys.Of all the fat intake the proportion of animal fat and vegetable oil was 6:4, and this ratio was reverse in case of Japanese average.The pure fats and oils were consumed about 10g a day a person, and vegetable oil occupied as much as 70%, but of the total ingested fat the animal foods were the main sources.The composition of the fatty acids of the fats and oils ingested by these patients was also investigated because the quality of the fatty acid is said to have much to do with hypertension and other heart diseases.The important saturated fatty acids, palmitic and stearic were 26%, whereas the unsaturated fatty acids, oleic, linoleic and linolenic were 22% in all.