Volume 20 No 9 (2022)
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Anti -Inflammatory, Antioxidant and Antimicrobial Activity of Green Synthesized Silver Nanoparticles from Combined Leaf Extracts – An In-Vitro Approach
K.Dhanalakshmi,A.Jaswanth and E.Subramainan
Abstract
Green production of silver nanoparticles (AgNPs) utilizing plant extracts is now generally recognized due
to its low cost, environmental friendliness, and low toxicity. In the present study, an attempt has been
made to synthesize AgNPs by using combination of two different plant extracts namely Azadirachta indica
(Neem) and Aloe barbadensis (Aleo Vera). A simple green synthesis method was used for silver
nanoparticles production using aqueous leaf extracts of Azadirachta indica and Aloe barbadensisin the
combined form. Various characterization techniques were used to characterize the synthesized
nanoparticles like UV-Visible spectrophotometer, FTIR, SEM and XRD. The In-vitro anti-inflammatory
were done by Inhibition of albumin denaturation, In-vitro antioxidant activity was done by ABTS free
radical scavenging assay , DPPH assay and Potassium Ferricyanide Reducing Power assay method then
In-vitro antimicrobial studies against Bacillus cereus, Actinomycetes Israeli, Proteus vulgaris, Streptococcus
pyogenes, Corynebacterium diphtheria, Pseudomonas aeruginosa, Enterococcus faecalis and
Staphylococcus aureus were examinedat various concentrations (50,100,250,500µg). The results
indicated that biosynthesized Silver nanoparticles (AgNPs) using aqueous leaf extracts of Azadirachta
indica and Aloe barbadensis in combination work as stabilizing agents. Our research demonstrated the
anti-inflammatory, antimicrobial and antioxidant efficacy of phytomediated silver ions in vitro.
Keywords
Combined leaf extract, Green synthesis, Aloe barbadensis, Azadirachta indica, Silver nanoparticles, anti-inflammatory, antioxidant activity and antimicrobial activity.
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