Phytochemical screening of methanolic dried galls extract of Quercus infectoria using gas chromatography-mass spectrometry (GC-MS) and Fourier transform-infrared (FT-IR)

Hussein, Ameera Omran; Mohammed, Ghaidaa Jihadi; Hadi, Mohammed Yahya; Hameed, and Imad Hadi

doi:10.5897/jpp2015.0368

Cited by 29 publications

(14 citation statements)

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“…A total of seven components were found to be the common for both extracts of QL. Previous studies on Quercus genus suggested that the species are rich in monounsaturated fatty acids, mostly oleic acid and also essential fatty acids such as linoleic (ω-6) and linolenic (ω-3) fatty acids, sesquiterpenes, terpenoids, flavonoids and phenolic acid [20,21,26] and in the present study same pattern of phytoconstituents were observed in the leaves and bark extracts of QL. Differences in quantity and quality of chemical components of any plant extract are highly influenced by several genetic and environmental factors, such as the genetic and seasonal variation, geographical origin, and the part of the plant used for the study, even agronomic conditions, developmental stage, time of collection, extraction method and solvent system [27].…”

Section: Resultssupporting

confidence: 84%

“…The yield of bark and leaves extracts were found to be 9.7% and 13.6%, respectively. A range of volatile phytoconstituents have been identified by GC-MS in different Quercus species other than QL [20,21]. In the present study, the percentages (area per cent) and the retention time (RT) of the components are listed in Tables 1 and 2 Linoleic acid is an omega-6-fatty acid and is enormously used in cosmetic industries, whereas the conjugated linoleic acid was accounted to have anticarcinogenic, fat reducing, antiatherogenic and immune enhancing activity [22].…”

Section: Resultsmentioning

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: Resultssupporting

confidence: 84%

Section: Resultsmentioning

confidence: 99%

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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“…Q .rubra all extracts were better as a result of Imipenem against all bacteria against P. aeruginosa and K. pneumoniae respectively, In general, the methanol solvent is better than the n-hexan, because it contains many active plant compounds compared to n-hexane (Ameera et al, 2016) and in particular the methanol extract has a greater effect against P. aeruginosa and S. aureus, while the n-hexane extract has the greatest effect against bacteria K. pneumonia. These results indicate that Q. rubra have better antibacterial activity for burn patients than antibiotics, so, it is recommended that making an ointment from these plants may be bene icial for treatment.…”

Section: Compare Extracts At Concentration 400 Mg / ML With Imipenem Antibioticmentioning

confidence: 89%

Antibacterial activity of Methanol and n-Hexane extracts of fruit casings of Quercus rubra against multi-drug resistance pathogenic bacteria isolated from patients with burn infection

Al-janabi

Semysim

2020

ijrps

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This study was designed to investigate the ability of methanol and extracts of fruit casings of Quercus against pathogenic bacteria isolated from patients with burn infection. Three concentrations of methanol and extracts of Quercus were done (100, 200 and 400) mg/ml. Thirty eight samples were collected from Medical Burn Center in Najaf . Males and females in different age groups. The results indicated that there were 42% , 22% , 18% , 8% E. , 6% and 4% . Seventeen antibiotics were selected in antibiotics sensitivity test. 10mg was the best antimicrobial effect. The results showed that all three concentrations had good antibacterial effect. It has also been shown that methanol solvent is more effective on bacteria than solvent. Also, the results showed that P. and S. has the highest rate of inhibition diameter with methanol solvent (38.123 ± 0.07 and 35.133 ± 0.092) mm respectively. K. was the highest rate of inhibition diameter by n- solvent 32.4 ± 0.07mm. Methanol and extracts of Quercus can be regarded as a potential antibacterial against aerobic pathogenic bacteria isolated from patients with burn infection. Therefore, Fruit casings of Quercus may be considered as a raw material for the manufacture of ointment for treatment of burns infections.

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“…linucheae compared to all other species tested. 3-trifluoroacetoxypentadecane has previously been shown to have antimicrobial properties 56 , however, far more work is needed to accurately define the function of these halogenated compounds in Symbiodiniaceae.…”

Section: Discussionmentioning

confidence: 99%

Coral endosymbionts (Symbiodiniaceae) emit species-specific volatilomes that shift when exposed to thermal stress

Lawson

Possell

Seymour

et al. 2019

Sci Rep

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Biogenic volatile organic compounds (BVOCs) influence organism fitness by promoting stress resistance and regulating trophic interactions. Studies examining BVOC emissions have predominantly focussed on terrestrial ecosystems and atmospheric chemistry – surprisingly, highly productive marine ecosystems remain largely overlooked. Here we examined the volatilome (total BVOCs) of the microalgal endosymbionts of reef invertebrates, Symbiodiniaceae. We used GC-MS to characterise five species (Symbiodinium linucheae, Breviolum psygmophilum, Durusdinium trenchii, Effrenium voratum, Fugacium kawagutii) under steady-state growth. A diverse range of 32 BVOCs were detected (from 12 in D. trenchii to 27 in S. linucheae) with halogenated hydrocarbons, alkanes and esters the most common chemical functional groups. A thermal stress experiment on thermally-sensitive Cladocopium goreaui and thermally-tolerant D. trenchii significantly affected the volatilomes of both species. More BVOCs were detected in D. trenchii following thermal stress (32 °C), while fewer BVOCs were recorded in stressed C. goreaui. The onset of stress caused dramatic increases of dimethyl-disulfide (98.52%) in C. goreaui and nonanoic acid (99.85%) in D. trenchii. This first volatilome analysis of Symbiodiniaceae reveals that both species-specificity and environmental factors govern the composition of BVOC emissions among the Symbiodiniaceae, which potentially have, as yet unexplored, physiological and ecological importance in shaping coral reef community functioning.

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Phytochemical screening of methanolic dried galls extract of Quercus infectoria using gas chromatography-mass spectrometry (GC-MS) and Fourier transform-infrared (FT-IR)

Cited by 29 publications

References 20 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

Antibacterial activity of Methanol and n-Hexane extracts of fruit casings of Quercus rubra against multi-drug resistance pathogenic bacteria isolated from patients with burn infection

Coral endosymbionts (Symbiodiniaceae) emit species-specific volatilomes that shift when exposed to thermal stress

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