Published in Scientific Bulletin. Series F. Biotechnologies, Vol. XXVII, Issue 1
Written by Mohammed Shaymaa Omar MOHAMMED, Nicoleta RADU, Mariana VOICESCU, Lucia Camelia PÎRVU, Narcisa BĂBEANU
The antioxidant activity of antimicrobial bioproducts formulated with natural polymers most often depends on the activities of the active compounds from their composition. In the case of bioproducts with biopolymers, the antioxidant activities depend on the limonene source. In the present case, the antimicrobial activities of antimicrobial gels formulated with biopolymers were determined by the chemiluminescence method, using two sources of limonene, respectively the citrus essentials oils with 97% and respectively with 25% limonene. The results obtained from the chemiluminescence studies have shown that, if an essential oil (EO) with a high limonene content is used in the antimicrobial formulations, such as EO of Citrus sinensis (97% limonene), then the product will most often act as a prooxidant, due to the high limonene content. If the antimicrobial formulations are performed with less concentrated sources of limonene, such as the EO of bergamot (Citrus bergamia), then the resulting bioproducts, in addition to the maximized antimicrobial effect, will also act as antioxidants, the antioxidant activity obtained being 70%.
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