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Article
March 23, 1901

QUANTITATIVE TESTS FOR PROTEOLYSIS.

JAMA. 1901;XXXVI(12):805-808. doi:10.1001/jama.1901.52470120029001i
Abstract

It is a remarkable fact that, after ten years' scientific —or, at least, experimental—study of the stomach, none of the methods of chemical examination of gastric contents in common use deals directly with the prime function of this organ. We draw inferences from the rapidity with which the stomach passes its contents into the intestine, often relying on fallacious tests, such as that with salol. We measure as carefully as possible the hydrochloric acid that is present in excess of that functionally active, and assure ourselves that more ferment has been secreted than has been utilized. We note how much or how little the gastric secretion has interfered with the digestion of starches by ptyalin We quantitate and qualitate abnormal accompaniments of digestion. In short, we tax our ingenuity to investigate all the circumstances and accessories of gastric digestion and ignore the direct question as to how well or how

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