Quantitative and qualitative analyses of the constituents of the hydroalcoholic extract of Quercus infectoria gall from Kermanshah and evaluation of its antioxidant and antibacterial activities

IF 0.7 Q4 PHARMACOLOGY & PHARMACY Journal of Reports in Pharmaceutical Sciences Pub Date : 2021-07-01 DOI:10.4103/jrptps.jrptps_36_21
D. Dastan, Negar Mohammadzadeh, M. Ghiasian, J. Faradmal
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引用次数: 1

Abstract

Background and Purpose: Quercus infectoria is a species of Quercus genus (Fagaceae) whose galls are known in traditional medicine for their antibacterial, analgesic, anti-inflammatory, and astringent effects. The present study aimed to carry out quantitative and qualitative analyses of the constituents of the hydroalcoholic extract of the Q. infectoria galls from Kermanshah and to evaluate its antioxidant and antibacterial activities. Materials and Methods: Following the extraction process using ethanol/water (70/30), phytochemical tests were done. Total phenol and flavonoid and antioxidant and antibacterial activities against specific strains of bacteria were evaluated. Some of the constituents of the extract were identified using high-performance liquid chromatography-photodiode array, and their amount was obtained. Results: The phytochemical tests proved that the extract contained alkaloid, flavonoid, tannin, saponin, and phenolic compounds. The amount of total phenolic and flavonoid compounds was 16.21 and 1.78 mg/g dried galls, respectively. The IC50 value of the antioxidant constituents of the extract was 47 μg/mL. The results of the antimicrobial assay showed the high activity of the extract against Escherichia coli, Klebsiella pneumonia, Staphylococcus aureus, and S. epidermidis. The quantitative analysis of the extract confirmed the presence of gallic acid, rutin, quercetin, benzoic acid, and caffeic acid (12.30, 10.72, 5.00, 9.25, and 3.94 mg/g dried galls, respectively). Conclusion: Considering the results of this study, the extract of Q. infectoria galls could be used as a primary substance in treating bacterial infections and oxidative stress-related diseases.
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Journal of Reports in Pharmaceutical Sciences
Journal of Reports in Pharmaceutical Sciences Pharmacology, Toxicology and Pharmaceutics-Pharmacology, Toxicology and Pharmaceutics (all)
CiteScore
1.40
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期刊介绍: The Journal of Reports in Pharmaceutical Sciences(JRPS) is a biannually peer-reviewed multi-disciplinary pharmaceutical publication to serve as a means for scientific information exchange in the international pharmaceutical forum. It accepts novel findings that contribute to advancement of scientific knowledge in pharmaceutical fields that not published or under consideration for publication anywhere else for publication in JRPS as original research article. all aspects of pharmaceutical sciences consist of medicinal chemistry, molecular modeling, drug design, pharmaceutics, biopharmacy, pharmaceutical nanotechnology, pharmacognosy, natural products, pharmaceutical biotechnology, pharmacology, toxicology and clinical pharmacy.
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