Antibacterial and antioxidant effects of alcoholic extract for the Cucurbita pepo plant were studied. Properties optical (UV-visible spectrophotometer ) and morphological surface(scanning electron microscopy ) detection of the alcoholic extract was done, and the antibacterial activity was investigated against pathogenic microbes (E.coli, Staphylococcus aureus). Results showed the highest effect for crud extract in the growth of E.coli by the zone of inhibition diameter reached (16.33±0.58 ), followed by Staph. Aureus by the diameter of the inhibition zone reached (12.33±2.30mm). The results indicate that the plant C. pepo can be considered a valuable source of effective antioxidant agents at a 0.8 µg/ml concentration.
Keywords. Cucurbita pepo plant: Alcoholic extract: Antioxidant: Antibacterial Activity
The ethanolic extract leaves of the Cordia myxa plant were used to prepare the biosynthesis of silver nanoparticles (Ag-NPs). The detection of Ag-NPs was done using UV, FTIR, and SEM. We evaluated the anti-bacterial property of ethanolic and nano extract against the growth of two types of pathogenic microbes: Gram -ve bacteria (E. coli) and Gram +ve bacteria (S. aureus). The antibacterial activity of the nano extract was high. In vitro, extracts demonstrated strong antioxidant activity against DPPH at a concentration of 0.8mg/ml. The MTT test was utilized to detect the cytotoxicity of nano extract against lung tumor, and the results indicated that nano extract treatment significantly inhibited the growth of cells (A594 cell line) in a concentration dependent manner. The results indicate, nano extract is a particularly valuable source of antiproliferative and cytotoxic agents.
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