Study of antimicrobial preservative efficiency in gels with Sapropel extract
Keywords:gel, sapropel extract, preservative, the effectiveness of preservatives
Topicality. Providing stability during the storage and microbiological purity is a compulsory condition to guarantee the quality of medicine.
Aim. To substantiate the selection of preservative in the development of a stable gel with sapropel extract.
Materials and methods. The objects of the study were gels with sapropel extract and a number of preservatives. In researches the evaluating methodology of antimicrobial preservatives effectiveness, according to the SPhU 2.0 used.
Results and discussion. Microbiological studies have confirmed the different intensities of selected preservative action in the medium-effective concentration: nipagin, benzoate sodium and potassium sorbate. The local action of the developed gel with sapropel extrac was established. It is required to introducе additional preservative into gel composition.
Conclusions. On the basis of the conducted microbiological researches, the introduction of potassium sorbate at a concentration of 0.2 % as a preservative for the composition of gel with sapropel extract was substantiated.
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