Antimicrobial activity and phytochemical screening of Arbutus unedo L.

Dib, Mohammed El Amine; Allali, Hocine; Bendiabdellah, Amel; Meliani, Nawel; Tabti, Boufeldja

doi:10.1016/j.jscs.2011.05.001

Cited by 39 publications

(28 citation statements)

References 21 publications

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“…Hence, it was mostly used in a number of industrial processes (Huan et al, 2002). Our reports are in corroboration with the reports of Veena Gayathri in Tridax procumbens (Krishnaswamy and Christina, 2015) and Dib et al, (2013) in Arbutus unedo. Sylvatesmin detected in this extract was reported to have high radical scavenging activity (Saha et al, 2015) and the compound 1-Heptacosanol was reported to have antimicrobial, anti-oxidant and nematicidal properties in some marine algae (Murugan and Iyer, 2014).…”

Section: Resultssupporting

confidence: 93%

Metabolic Fingerprinting of Root, Stem and Leaf Extracts of Phyllanthus Amarus

Giri

Pammi

Tvs

2016

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Phyllanthus amarus belonging to family Euphorbiaceae is an important medicinal plant from ancient times which is used in Chinese and Ayurvedic medicine. It is a small annual herb mostly found in Central and Southern India. All parts of this plant have medicinal value and are used in traditional medicines for curing various diseases such as jaundice, hepatitis B, C, microbial infections, viral diseases, tumors, and kidney stones. Keeping in view its immense medicinal potential, phytochemical analysis was performed using different solvents such as ethyl acetate, dimethylformamide, chloroform, dichloromethane, and n-Hexane. All the plant parts, viz., root, stem and leaf were separately analyzed for the detection of phenols and flavonoids, of which leaf exhibited the highest concentration compared to root and stem. Maximum percentage of phenols and flavonoids could be detected with dimethylformamide in comparison to other solvents that were used in the study. Dimethylformamide leaf extract displayed highest phenolic content of 40.75 mg/g and the highest flavonoid content of 51.5 mg/g.

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Section: Resultssupporting

confidence: 93%

Metabolic Fingerprinting of Root, Stem and Leaf Extracts of Phyllanthus Amarus

Giri

Pammi

Tvs

2016

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“…The bacterial zone of inhibition observed aer the incubation period is reported and all experiments were carried out in triplicate. 30 The minimum inhibition concentrations (MIC) were determined by the dilution agar method as mentioned by Amine Dib et al 31 2.5.3 In vitro drug release study. Preparation of the release uid medium with pH 7.5 was initiated by dissolving 20.25 g of KH 2 PO 4 and 4.53 g of NaOH in 2500 mL of distilled water.…”

Section: Biological Testsmentioning

confidence: 99%

Polyacrylonitrile/Syzygium aromaticum hierarchical hydrophilic nanocomposite as a carrier for antibacterial drug delivery systems

Yadav

Balasubramanian

2015

RSC Adv.

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Versatile maneuverable electrospinning process was exploited to fabricate intertwined heterostructure polyacrylonitrile (PAN) nanofibers with average diameter of 141.4 nm by incorporating essential oil Syzygium aromaticum for antibacterial drug delivery systems. We have demonstrated the formation of seamless heterostructure of PAN/Syzygium aromaticum nanocomposites by incorporating 0.1% electrolyte solution, which not only achieved inhibition zone of 1.8-2.8 cm against Gram positive and Gram negative bacteria but also exhibited 100% cell viability of NIH/3T3 cell lines. Electrospun fibers were observed to be flexible and composed of continuous, cylindrical and randomly oriented fibers. FT-IR peak at 3398 cm À1 reveals the ultra wettabililty nature of nanocomposite which was confirmed by the contact angle measurement. Further, the Korsmeyer-Peppas model was explored to study the mechanism and kinetics of the antibacterial drug release system. Overall result suggests that electrospinning can be employed as a novel, facile route for the large scale fabrication of nanoscale PAN heterostructure hydrophilic composite for broad range of biomedical applications.

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“…Many of the biological properties are closely associated with the antioxidant activity of anthocyanin pigment [Prior et al, 1998]. The antioxidative phytochemicals, especially phenolic compounds, found in vegetables and fruits have received increasing attention for their potential role in the prevention of human diseases [Abdel-Hameed et al, 2009;Cai et al, 2004;Dib et al, 2013]. The poly phenolic compounds are an important class of antioxidants, the polyphenols can be classified into ten classes.…”

Section: Introductionmentioning

confidence: 99%

In vitro evaluation of the antibacterial activity of modified multi-walled carbon nanotubes with phenolic extracts

2015

Biomater Tissue Eng Bull

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Conventional Antibiotics such as ciprofloxacin, ofloxacin and levofloxacin are an important group of antimicrobials which are widely used in the treatment of various infectious diseases. Long-term treatment with antibiotics can cause side effects in consumers. Bactericidal antibiotics may persuade the establishment of toxic reactive oxygen types (ROS) in bacteria. In the present study, we tried to eliminate the side effects of antibiotics by modification of multi wall carboxylated nanotubes with phenolic extractives that are extracted of pigmented vegetables. Very low concentrations of functionalized nanotubes were tested against both Gram-positive and Gram-negative bacteria. Antibacterial activity of the products was compared with MIC values of conventional antibiotics. In vitro studies represented that killed bacteria in the presence of low concentrations of modified nanotubes. so, the extremely abilities of functionalized carboxylated multiwall nanotubes have the potential to be described as innocuous antibiotic candidates.

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Antimicrobial activity and phytochemical screening of Arbutus unedo L.

Cited by 39 publications

References 21 publications

Metabolic Fingerprinting of Root, Stem and Leaf Extracts of Phyllanthus Amarus

Metabolic Fingerprinting of Root, Stem and Leaf Extracts of Phyllanthus Amarus

Polyacrylonitrile/Syzygium aromaticum hierarchical hydrophilic nanocomposite as a carrier for antibacterial drug delivery systems

In vitro evaluation of the antibacterial activity of modified multi-walled carbon nanotubes with phenolic extracts

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