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A Study on the Microbial Measurement for Cosmetics Using Automated Methods  

Kim Eun-Young (Cosmetics Quality Assurance Team LG Household & Healthcare Ltd.)
Jang Seok-Tae (Cosmetics Quality Assurance Team LG Household & Healthcare Ltd.)
Choung Soung-Oun (Cosmetics Quality Assurance Team LG Household & Healthcare Ltd.)
Hong Tae-Won (EM Corporation)
Publication Information
Journal of the Society of Cosmetic Scientists of Korea / v.30, no.4, 2004 , pp. 549-553 More about this Journal
Abstract
ATP bioluminescence system and impedance system were evaluated with the objective of reducing the time for microbial analysis of cosmetics formulations from 72 to 24 h. The meaningful correlation (at least $95\%$) was achieved when emulsion were artificially contaminated with low levels of different organisms, including Pseudomonas aeruinosa, Staphylococcus aureus, Escherichia coli and Ralstonia mannitolilytica. The standard agar plate method, ATP bioluminescence and impedance method were used for in this study. Successful evaluation and validation of automated systems has enabled the introduction of ATP bioluminescence and impedance method into routine use within the microbiology laboratory. This has provided a rapid assessment of product quality, resulting in faster throughput and resource maximization.
Keywords
microbial analysis; cosmetics; rapid assessment; ATP bioluminescence; impedance;
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