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The goal of this research was to formulate mucoadhesive gels using hydroglyceric extracts of Cistus creticus L. and Inula viscosa (L.) Aiton, either separately or in combination, utilizes carboxymethyl cellulose and detects their physicochemical characteristics and safety for oromucosal cells and antimicrobial (antibacterial, antifungal, and antiviral) efficacy to assess their performance.
Using LC-HRMS, the extracts of C. creticus and I. viscosa were examined. Evaluations were conducted on the formulations' viscosity, cytotoxicity-cell proliferation controls, texture, antibacterial activity, pH, and organoleptic properties. The minimal inhibitory concentrations and microbroth dilution tests were used to assess the effectiveness of the formulations.
The pH, organoleptic, and physical characteristics of each formulation have been determined to be appropriate. The research results demonstrated that I. viscosa contributed antiviral efficacy to the formulations linked to dose-dependent activities against all examined mouth pathogens, whereas C. creticus provided antibacterial and antifungal efficacy. The formulation containing C. creticus extract alone was the most cytotoxic, whereas the formulation including I. viscosa extract alone was the least cytotoxic against gingival fibroblast cells, according to the findings of tests on cell proliferation and cytotoxicity.
The formulation contained a 32% 1:1 mixture of I. viscosa and C. creticus hydroglyceric extracts was detected as safe with acceptable cytotoxicity along with antibacterial and antiviral effectiveness, were encouraging for future investigations.
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