The control cream did not display any preservative activity against all tested microorganisms, showing an increasing trend over the days in all bacteria and fungi reaching 10 8 UFC/gr for P. aeruginosa and E. coli and 10 7 for S. aureus .
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Thymoquinone-Loaded Chitosan Nanoparticles as Natural Preservative Agent in Cosmetic Products.
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The sentences
The results presented in Table 1 show a decreasing trend in Z values related to the amount of TQ encapsulated in nanoparticles. 2.2.