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The Nutritive Value of Cereal Breakfast Foods

IV. The Response of the Human Stomach

(From the Department of Vital Economics, University of Rochester, Rochester, N.Y.)

Two studies of the gastric response to different cereal breakfast foods in common use in the U.S.A. were made. In the first, three subjects were used and three cereals. In the second, and more complete study, four subjects and four cereals. Each person ate the same cereal on four or five successive days and submitted to evacuation of the stomach contents at successively longer intervals after eating each day. The rate of emptying of the stomach was determined by the amount of nitrogen remaining in the stomach at each interval and expressing this amount as a percentage of the total nitrogen in the meal as ingested. This procedure was repeated on successive weeks until each subject had eaten all four of the cereals. The test meals were cooked in a uniform manner for each subject and eaten with the same amounts of cream and sugar by each subject.

Curves exhibit characteristic rates for each subject whatever cereal was chosen.

There were but slight differences in the rates of evacuation of the different cereals in the same subject. As an average of seven trials with wheat endosperm and whole oats the former showed 83 per cent and the latter 76 per cent evacuation at the end of two hours.

Roughage in the form of bran in normal proportion or less appeared to influence evacuation time of the stomach very little either way.

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				Current Comment JAMA, October 11, 1930; 95(15): 1101 - 1103. [PDF]