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Correlation of resazurin and methylene blue thiocyanate reduction tests on raw milk by modified and standard methods
Bell, Elwood I.
Bell, Elwood I.
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1951-06
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Abstract
The methylene blue test for the control of the sanitary
quality of raw milk has been in use for over twenty years.
With the recent development of the resazurin test and its
adoption by some foreign countries and by several health
departments in the United States, controversies have arisen
concerning the relative merits of the two tests. The possibility
that the resazurin test is a more sensitive and
quicker method of determining the quality of raw market milk
has been of increasing interest to the Wichita-Sedgwick
County Health Department and the Bacteriology Department of
the University of Wichita. An attempt to correlate the
results of several of the commonly used tests was initiated
under the dual sponsorship of the University of Wichita and
the Wichita-Sedgwick County Health Department, in order that
the relative merits of the tests might be ascertained.
Table of Contents
Acknowledgments -- Preface -- Oxidation-reduction potentials and the mechanisms of reduction -- Influence of milk bacterica on reduction time -- Influence of leucocytes on reduction time -- Standards for bacteriological tests on mild -- Correlation of resazurin and methylene blue on raw milk
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Thesis (M.S.)-- University of Wichita, Dept. of Bacteriology
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Wichita State University
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Wichita State University