Tag Archive: PCPC

Preservative Testing – Choice of Challenge Isolates

“What you see is that the most outstanding feature of life’s history is a constant domination by bacteria.” – Stephen J. Gould. Preservation capacity is a central element of consumer product quality.  Though necessary to any microbiological risk assessment, adequate…
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5 Reasons to Avoid Maintaining Stock Cultures in Your Lab

Are you certain the reference stock cultures you use for quality control are identical to the reference cultures you originally purchased? A study performed by Cross, Russel and Desai examined working cultures from eight accredited microbial testing laboratories. Using fluorescent…
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Antimicrobial Effectiveness Testing: Keeping Consumers Safe

Everyone uses personal care products, and we expect the products we buy to be safe. Whether a manufacturer is producing shampoo or makeup, preservatives are used to maintain the quality and extend the shelf-life of the product. This post outlines why…
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