Determination of the Anti-inflammatory and Anti-microbial Activity of a Cosmetic Product Silver Stop® Cream
Zhechko P. Dimitrov, Teodora P. Popova, Irina M. Gotova, Ignat Ignatov, Teodora Todorova, Toshka E. Petrova, Fabio Huether
Journal of Pharmaceutical Research International · pp. 32–43 · Published 17 Mar 2023
10.9734/jpri/2023/v35i47321Abstract
The anti-inflammatory and antimicrobial effects of a cream containing extracts of African geranium (Pelargonium sidoides DC.), black elderberry (Sambucus nigra L.) and St. John's wort (Hypericum perforatum L.) in colloidal nanosilver (AgNPs) at a concentration of 30 ppm, denoted as SILVER STOP® cream (SS® cream) was examined In vitro. The research was performed with Staphylococcus aureus (ATCC-6538 and two clinical strains). Suspension tests for determination the time of antimicrobial action of SS® cream were used. SS® cream showed significant antimicrobial activity. In suspension with a density of 104 cells.mL-1S. aureus died after 60 minutes of exposure to SS® cream. In suspension with concentration of 106 cells.mL-1, after 2 h only single cells remained viable. The anti-inflammatory effect was evaluated using human epithelial cell line HT-29, incubated with a type strain of S. aureus. After treatment with SS® cream, results have shown a statistically significant reduction of the levels of the pro-inflammatory cytokinesIL-6, IL-8, IP-10 and IL-1β.
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