The Sterility Tests - Microbiology Network

2 THE Sterility TESTSS cott SuttonMicrobiology Network , , NYUSABACKGROUNDThe compendial Sterility Test is not a test for product Sterility . This isnot a new, nor a particularly insightful observation. It has beenfrequently presented as a flawed test for its stated purpose in theliterature over the past 80 years. The test first appeared in 1932 ( , 1932) and included the basic features of the modern test two media, prescribed dilution scheme (for Bacteriostasis/Fungistasis or method suitability) and a defined incubation time. Theoriginal test had the media incubated for five days and allowed tworetests (all three had to fail to fail the test).

and Fluid Thioglycollate Medium. These media and their corresponding incubation temperatures were chosen to maximize recovery of potential contaminants early in the development of the tests. However, some authors have questioned the choice of media (Abdou, 1974), while others have suggested the use of solid media

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  Fluid thioglycollate medium, Fluid, Thioglycollate, Medium

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