Investigation of Phytochemical Profile and Antibacterial Potential of Prosopis glandulosa

2019 ◽  
Vol 51 (03) ◽  
pp. 459--464
Author(s):  
S. QAIMKHANI ◽  
M. A. MOGHAL ◽  
A. H. MOGHAL ◽  
M. Q. SAMEJO, ◽  
A. A. BHUTTO ◽  
...  
2019 ◽  
Vol 16 (32) ◽  
pp. 257-262
Author(s):  
Thaís Paula Rodrigues GONÇALVES ◽  
William Gustavo LIMA ◽  
Izabela Caputo Assis SILVA ◽  
Adriano Guimarães PARREIRA ◽  
Luciana Alves Rodrigues dos Santos LIMA

The large variety of plant specimens found in Brazil with still unexplored medicinal potential, combined with the increase in bacterial resistance to antimicrobials traditionally employed, opens an important field of research aimed at prospecting new drugs. In this context the objective of this work was to evaluate the antibacterial potential of Eugenia dysenterica and to characterize its phytochemical profile. Ethanolic extracts were obtained by drying, grinding, turbo-extraction and lyophilization of the leaves of the plant. The CIM and CBM tests were performed to evaluate the antimicrobial potential on the following strains: Proteus mirabilis ATCC 15290, Echerichia coli ATCC25922, Staphylococcus aureus ATCC29213 and Staphylococcus epidermides ATCC 12228. E. dysenterica presented bactericidal action at 2mg.ml-1 against S. aureus and bacteriostatic at 1mg.ml-1 against P. mirabilis. Several phenolic compounds were detected in the phytochemical screening, and the presence of these compounds may justify the biological potential of this plant.


2020 ◽  
Vol 9 (4) ◽  
pp. e27942662
Author(s):  
Patrícia Capellato ◽  
Cláudia Eliana Bruno Marino ◽  
Gilbert Silva ◽  
Lucas Victor Benjamim Vasconcelos ◽  
Rodrigo Perito Cardoso ◽  
...  

During the last decades, researchers have been growing the interest in surface treatment with an antimicrobial agent. Silver nanoparticles (AgNPs) are widely used in biomedical fields due to their potent antimicrobial activity. So, in this study was investigated silver particles (isles) coated on titanium surface for dental and orthopedic application. Silver particles coating process on titanium surface were performed via sputtering that is a plasma-assisted deposition technique with and titanium without treatment was applied as comparing standard. Plasma treatment parameters were optimized so that the result was not a thin film of Ag but dispersed particles of Ag on the Ti-cp surface. The alloy surfaces were investigated using scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS). In order to investigate antibacterial potential Staphylococcus aureus and Escherichia coli have been used at Agar diffusion assay. The results were analyzed by analysis of variance (ANOVA) in order to verify significant difference antimicrobial activity between samples that have shown no difference between the surfaces studied treatments. For silver deposition scattered particles (isles) over titanium surface for a 10-minute treatment, EDS revealed by silver clusters that the particles were not properly scattered onto surface, hence, the low effectiveness in antibacterial activity.


Fitoterapia ◽  
2019 ◽  
Vol 4 (4) ◽  
pp. 38-42
Author(s):  
M. M. Myha ◽  
◽  
Yu.V. Verkhovodova ◽  
O. M. Koshovyi ◽  
I. V. Kireyev ◽  
...  

2017 ◽  
Vol 1 (1) ◽  
pp. 19-26 ◽  
Author(s):  
T. Munir ◽  
◽  
A. Mohyuddin ◽  
Z. Khan ◽  
R. Haq ◽  
...  

2017 ◽  
Vol VI (I) ◽  
pp. 143-147
Author(s):  
Itzaz Aslam ◽  
Faiza Aslam ◽  
Shahzad Qamar ◽  
Saiqa Ishtiaq ◽  
Muhammad Shaharyar Khan Afridi ◽  
...  

2019 ◽  
Vol 19 (13) ◽  
pp. 1651-1657
Author(s):  
Zouhaier Bouallagui ◽  
Asma Mahmoudi ◽  
Amina Maalej ◽  
Fatma Hadrich ◽  
Hiroko Isoda ◽  
...  

Aim: This study was designed to investigate the phytochemical profile and the cytotoxic activities of the eco-friendly extracts of olive leaves from Chemlali cultivar. Materials and Methods: The Phenolic composition of olive leaves extracts, the antioxidant activity and the cytotoxic effects against MCF-7 and HepG2 cells were determined. Results: Olive leaves extracts showed relevant total polyphenols contents. Oleuropein was the major detected phenolic compound reaching a concentration of 16.9 mg/ml. The antioxidant potential of the studied extracts varied from 23.7 to 46.5mM Trolox equivalents as revealed by DPPH and ABTS assays. Cytotoxicity experiments showed similar trends for both HepG2 and MCF-7 cells with the infusion extract being the most active. Conclusion: This study denotes that olive leaves may have great potential as endless bioresource of valuable bioactive compounds which may have a wide application.


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