Abstract
Summary and Conclusion
The disadvantages and inaccuracies of many tests for pepsin have been discussed. A method for determining total pepsin which does not embody these disadvantages is described. Egg albumen is used as substrate and a photoelectric colorimeter used as a densimeter is employed to determine the amount of albumen solution digested. An alternative method of greater sensitivity is also described utilizing purified bovine and human serum albumin. Little technical skill is required and the execution of the tests is exceedingly rapid.
Thanks are expressed to Dr. William H. Fishman for his aid in the preparation of this manuscript.
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