the Effect of aqueous and alcoholic plant extract of Rosmarinus officinalis L. against some types of bacteria

Abstract

Two solvent extracts (Methanol and aqueous) of  Rosmarinus officinalis were estimated for their antibacterial action against three types of bacteria that cause food poisoning (Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus). The results revealed that the alcoholic extract of Rosemary has significant antibacterial action against bacterial infections compared with aqueous extract.. The phytochemical examination revealed the presence of (alkaloid, carbohydrates, phenols, flavonoids, tannins, proteins and saponins only in the aqueous extract). Additionally, (DPPH assay) for the antioxidant analysis was also carried out using the two extracts of which alcoholic extract showed exceptional antioxidant activity. The results show that , it is clear that in the upcoming  Rosemary plant  may pave the way for designing the new medicines for controlling bacterial diseases.