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Sterility testing

USP <71> Sterility Testing Laboratory Services

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USP 71 Sterility testing is widely used in both the medical device and pharmaceutical industries. As a USP test, it is the official procedure for testing the sterility of pharmaceutical products (USP 71). There are different methods to test the sterility of the products.
Direct Transfer-Immersion Sterility Testing
Membrane Filtrartion - Open system
Membrane Filtrartion by Millipore Steritest Method -A closed system Sterility Testing Method

Membrane filtration of the product, with either an open or a closed system, is the preferred USP 71 sterility testing method. If the product cannot be filtered, then direct inoculation, immersion, in-situ incubation or combination methods as appropriate are acceptable.

USP 71 Sterility Testing Lab

Soya-bean casein digest (SCD) and fluid thioglycollate media (FTM) are used in accordance to Pharmacopoeial method. The sample is transferred directly to test media or flushed with test media and incubated accordingly.

All test containers are incubated at specific temperatures for at least 14 days, regardless of whether filtration or direct inoculation test methodology is used. B & F test is required to validate the test.

To receieve quality laboratory USP 71 sterility testing of pharmaceutical products, call 800-282-7102 or email:


Last Updated On: 12-19-2017
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