Abstract
Preservatives are used in cosmetics, pharmaceuticals, food and industrial products to prevent deterioration of the product and to prolong its use. Preservatives are classified into two groups as natural and synthetic according to their source. However, the interest in natural preservatives has increased due to the negative effects of synthetic preservatives on health and the increasing concerns about their safety. Plants have been used in many fields such as medicine, food, perfume and cosmetics since ancient times, and they are important as natural preservatives. There are studies in which the antioxidant, antibacterial and antifungal effects of essential oils, extracts prepared from herbal drugs with various solvents, and herbal active substances purified and isolated from these extracts are investigated and significant results are revealed. For this reason, it is thought that they can be used as preservatives in the cosmetics, pharmaceutical and food industries due to their antimicrobial and antioxidant effects. In this study, plants, drugs, and herbal active substances that are used or can be used as preservatives of herbal origin with regards to their antimicrobial effects were examined.
Highlights
Preservatives are substances used in cosmetics, pharmaceuticals, food and industrial products to prevent deterioration of the product and to prolong its use
It has been noted that higher concentrations of essential oils from Syzygium aromaticum and Cinnamomum species are required to completely inhibit the growth of Listeria monocytogenes. These results show that essential oils obtained from Syzygium aromaticum and Cinnamomum species can be used as natural preservatives in dairy products.[8]
Melaleuca alternifolia (Maiden &Betche) Cheel In a study examining the antimicrobial activity of Melaleuca alternifolia essential oil and its major components in oil-based personal care products, MIC values were recorded as 0.4% for Escherichia coli and Bacillus subtilis and were found to be as effective as parabens in the 0.08%-0.8% concentration range
Summary
Preservatives are substances used in cosmetics, pharmaceuticals, food and industrial products to prevent deterioration of the product and to prolong its use. Rubus rosaefolius Smith The effectiveness of Rubus rosaefolius leaves as a preservative in gel and emulsion formulations was evaluated For this purpose, 0.2% ethanol extract of Rubus rosaefolius leaves was prepared and this extract was used in gel and emulsion formulations for Pseudomonas aeruginosa (ATCC 9027), Burkholderia cepacia (ATCC 25416), Staphylococcus aureus (ATCC 6538), Escherichia coli (ATCC 10536) and Aspergyllus brasiliensis (ATCC 16404) growth in microorganisms was controlled (Tables 1 and 2). According to the results of the above study, it may be possible to benefit from these species with their protective effects in the food and pharmaceutical industry. According to the results of the above study, it may be possible to benefit from these species with their protective effects in the food and pharmaceutical industry. 2,3
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