Analysis and antimicrobial activity of volatile constituents from<i>Quercus leucotrichophora</i>(Fagaceae) bark

Sati, S. C.; Sati, Nitin; Sati, O. P.; Biswas, Diptanu; Chauhan, Bhupendra

doi:10.1080/14786419.2011.564584

Cited by 10 publications

(6 citation statements)

References 2 publications

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“…Previously, the antimicrobial profile of the volatile extract of QLB was recorded against three microbial cultures, namely; Streptococcus pyogenes, Streptococcus aureus, and Escherichia coli. The volatile extract of QLB exhibited a potential antimicrobial activity against Streptococcus pyogenes, compared to Streptococcus aureus, and Escherichia coli [14]. The antibacterial activity of the fatty acid methyl ester (FAME) extract of QL fruits was recorded against four bacterial stains namely; Bacillus subtilis, Staphylococcus aureus, Pseudomonas aeruginosa and Escherichia coli from a range of 7.8 to 15.9 mm [15].…”

Section: Resultsmentioning

confidence: 99%

“…Previously, active compounds like, quercetin and kaempferol were isolated from the ethanolic stem bark extract of QL, whereas the antimicrobial activity of the extract showed highest activity against E. coli followed by S. aureus, P. auroginosa and B. subtilis, respectively [13]. Further, the presence of twenty-three phytoconstituents (major phytocomponent: monoterpenoids) in the volatile extract of bark of QL were analyzed by GC-MS analysis [14]. The fruit extract of QL revealed the presence of higher amount of saturated fatty acid compared to unsaturated fatty acid.…”

Section: Introductionmentioning

confidence: 99%

“…The fruit extract of QL revealed the presence of higher amount of saturated fatty acid compared to unsaturated fatty acid. The bark and fruit extract of QL possess antimicrobial activity [14,15]. The QL is used in traditional system of medicine, but still there are not many scientific reports to confirm its phytochemical activity and medicinal properties [16].…”

Section: Introductionmentioning

confidence: 99%

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Screening of phytoconstituents and antibacterial activity of leaves and bark of Quercus leucotrichophora A. Camus from Uttarakhand Himalaya

et al. 2018

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Background: Quercus leucotrichophora A. Camus (QL) belongs to the family Fagaceae, commonly known as Banj oak in the Garhwal region of Himalaya, where it is the principal source of fuel, fodder, and medicine. Methods: In the present study, GC-MS analysis has been performed for profiling the chemical composition of methanolic extracts of leaves and bark of QL. The antibacterial activity was evaluated by using the disk diffusion method against five bacterial strains. Results: Total 23 components in bark and 62 components in leaves extracts of QL were identified. The major components identified in the bark extracts were Linoleic acid (19.77%), Lupeol (17.91%), Epi-psi-Taraxastanonol (14.20), and cis-Vaccenic acid (13.10%), while others were present in relatively small amounts. For the leaves extract, the major components were Linoleic acid (17.09%), Simiarene (15.29%), Flavone 4′-oh, 5-oh,7-di-o-glucoside (15.26%), and D-Quinic acid (9.29%), respectively. As far as antibacterial assays are concerned, it was observed that both the extracts are active against most of the tested bacterial strains with the zone of inhibition ranging between 8.53 ± 0.50 to 19.07 ± 0.31 mm, respectively. Conclusion: The GC-MS results revealed the presence of several phytochemical compounds in leaves and bark of QL extract and are recommended as a plant of pharmaceutical importance. The antibacterial analysis showed that both the extracts (leaves and bark) of QL have antibacterial activity against all gram positive (S. aureus, B. subtilis and S. pyogenes) and gram negative (E. coli, P. aeruginosa) bacterial strains.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Screening of phytoconstituents and antibacterial activity of leaves and bark of Quercus leucotrichophora A. Camus from Uttarakhand Himalaya

et al. 2018

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“…Currently, the exact mechanisms of herbal medicines in traditional medication are still not well-understood but it is reported that the herbal constituents could act as nutraceuticals, immunomodulators, boost body oxidant status or provide antioxidant compounds, prevent attachment of microbes as well as halt the proliferation or multiplication of microorganisms and some might act as microcidals. 17 So far, various medicinal plants have been studied for their antibacterial activities such as Butea monosperma, Actinidia macrosperma, 18 Quercus leucotrichophora, 19 Medicago sativa, 20 Citrullus colocynthis, 21 Dorema ammoniacum, 22 Eupatorium glandulosum, 23 Tetracarpidium conophorum, 24 Ficus capensis, 25 Terminalia chebula, 26 Verbascum sinuatum, 27 Gymnema sylvestre, 28 Curcuma zedoaria, 29 Berberis heterophylla, 30 Mimosa pudica 31 and Nelumbo nucifera. 32 Phytotherapy of different diseases using natural medicinal herbs has no well-reported toxicity in comparison with chemotherapy by synthetic drugs.…”

Section: Phytotherapeutic Modalitiesmentioning

confidence: 99%

Progress and prospects in the management of bacterial infections and developments in Phytotherapeutic modalities

Akram

Riaz

Munir

et al. 2020

Clin Exp Pharma Physio

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The advent of antibiotics revolutionized medical care resulting in significantly reduced mortality and morbidity caused by infectious diseases. However, excessive use of antibiotics has led to the development of antibiotic resistance and indeed, the incidence of multidrug-resistant pathogens is considered as a major disadvantage in medication strategy, which has led the scholar's attention towards innovative antibiotic sources in recent years. Medicinal plants contain a variety of secondary metabolites with a wide range of therapeutic potential against the resistant microbes. | Rosmarinus officinalisRosmarinus officinalis, commonly known as Rosemary, belongs to family Lamiaceae is an evergreen herb. Its medicinal activities commonly in leaves are due to the presence of chemical compounds including abietane, diterpenes, carnosic acid, carnosol and 12-methoxy-trans-carnosic acid. Biologically, this plant has antimicrobial potential against Staph. aureus with MIC value of 16-64 µg/mL. 38 3.2.7 | Argemone maxicana Argemone maxicana L. belongs to family Papaveraceae. Its seed, leaf, and latex are used for medicinal purposes. The chemical compounds present in A. maxicana L. are protopine, berberine, oxyberberine, columbamine, jatrorrhizine, and dehydrocorydalmine. It has been reported that methanolic extract of Argemone maxicana L. is effective against Staph. aureus, B. subtilis, E. coli, and P. aeruginosa. 39 | Hydrastis canadensisHydrastis canadensis belongs to family Ranunculaceae. Medicinally, its rhizomes are used to treat a set of various diseases like wounds, inflammation, and ulcers. Chemical constituents present in H. canadensis are berberine, beta-hydrastine, canadine, and canadaline. The extract of this plant is active against Staph. aureus, Strep. sanguis, E. coli, and P. aeruginosa. 40 | Citrus aurantifoliaCitrus aurantifolia belongs to family Rutaceae. Useful parts of this plant are fruit juice and rind of fruit as well as dried extract as powder, and seeds. Active compounds found in this plant are terpinene, pinene, limonene, hydrocarbons, monoterpenoids, citronellal, citral, vitamin C, and citric acid. Antimicrobial activity of the extract of C. aurantifolia against Staph. aureus and Candida albicans have been reported in published literature. 41 | Cymbopogon citratusCymbopogon citrate also called lemon grass belongs to the family Poaceae and its fruit and seeds are used in traditional medicine to treat bacterial infection, amoebiasis, hyperlipidaemia, and diabetes mellitus. Chemical constituents isolated from C. citratus are gammaterpinene, beta-pinene, hydrocarbons, monoterpenoids, limonene, citronellal, citral, terpineol, methyl heptanone, hesperidin, naringoside, hesperidoside, vitamin C, and citric acid. The microorganisms including Staph. aureus, Citrobacter freundii, Sal. enterica, Edwardsiella tarda, Pr. mirabilis, B. subtilis, B. cereus, Aeromonas hydrophila, Aeromonas caviae, E. coli, P. aeruginosa and K. pneumoniae are inhibited by this. 42 3.2.11 | Carica papaya Carica papaya belongs to fami...

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“…There have been many topics of bark utilization research. However, bark research can be divided into two main objectives: utilization of their main components (cellulose, lignin, and hemicellulose) (Fengel and Wegener 1989;Usta 1993;Balaban and Ucar 2001;Odabaş-Serin and Gümüşkaya 2006;Safdari et al 2011;Miranda et al 2012;Akgül et al 2013;Serin and Güleç 2014;Durmaz et al 2016;Gönültaş and Uçar 2017), and their secondary metabolite qualities (Sjödin et al 1996;Kuliev et al 1997;Vrkočová et al 2000;Diouf et al 2009;Yesil-Celiktas et al 2009;Duda-Chodak et al 2011;Lee et al 2011;Maimoona et al 2011;Sati et al 2012;Legault et al 2013;Bouras et al 2015;Devappa et al 2015;Hofmann et al 2015;Özgenç et al 2016;Özgenç et al 2017;Dróżdż and Pyrzynska 2018).…”

Section: Introductionmentioning

confidence: 99%

Chemical composition and antioxidant properties of some industrial tree bark extracts

Hamad

Ateş

Olgun

et al. 2019

BioRes

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Wood bark is a residue of forestry production that is used as a fuel source. The chemical composition of tree bark is similar to that of the harvested wood, and it contains a variety of useful compounds. To determine the chemical composition and antioxidant activities of different barks, fir (Abies nordmanniana), beech (Fagus orientalis), pine (Pinus sylvestris), poplar (Populus alba), and oak (Quercus robur) barks were selected because they are used for industrial purposes in Turkey. The dried bark powders were extracted using a 65:35 methanol-water mixture (v/v) to determine the total phenolic content, the flavonoid content, and the antioxidant properties (2,2-diphenyl-1-picrylhydrazyl (DPPH), ferric reducing antioxidant power (FRAP), metal chelating, and H2O2 scavenging). The flavonoid components were analyzed by high performance liquid chromatography (HPLC) and extracted by hexane to analyze the volatile components by gas chromatography-mass spectrometry (GC-MS). The poplar bark extracts had the highest total phenolic content, highest total flavonoid content, and highest antioxidant content. The poplar bark extracts were rich in myricetin (87.761 mg/L), which is a flavonoid with rich antioxidant properties. The presence of valuable extracts suggests that barks may have uses as valuable raw materials for chemical applications such as cosmetics, perfumes, and food preservatives.

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Analysis and antimicrobial activity of volatile constituents fromQuercus leucotrichophora(Fagaceae) bark

Cited by 10 publications

References 2 publications

Screening of phytoconstituents and antibacterial activity of leaves and bark of Quercus leucotrichophora A. Camus from Uttarakhand Himalaya

Screening of phytoconstituents and antibacterial activity of leaves and bark of Quercus leucotrichophora A. Camus from Uttarakhand Himalaya

Progress and prospects in the management of bacterial infections and developments in Phytotherapeutic modalities

Chemical composition and antioxidant properties of some industrial tree bark extracts

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