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植物化学成分筛查及叶的水提物和醇提物对口腔分离菌的抑菌活性

Phytochemical Screening and Antibacterial Activities of Aqueous and Alcoholic Extracts of Leaf against Bacteria Isolated from Oral Cavity.

机构信息

Department of Biology, Thi-Qar Education Directorate, Thi-Qar, Iraq.

Assistant Lecturer, Department of Biology, College of Education for Girls, University of Thi-Qar, Thi-Qar, Iraq.

出版信息

Arch Razi Inst. 2022 Apr 30;77(2):923-928. doi: 10.22092/ARI.2022.357207.1996. eCollection 2022 Apr.

Abstract

Medicinal herbs have been used as traditional treatments for many pathogens and extracted bioactive compounds from medicinal plants with a suitable therapeutic index for the production of new drugs. Moreover, they are utilized to evaluate different concentrations of aqueous and alcoholic extracts of leaves and antibiotics against bacteria isolated from the oral cavity. This study was conducted simultaneously at the Departments of Botany and Biology, Shatrah Hospital, Thi-Qar, Iraq, during March and August 2021. leaf extracts were utilized in the plant component examination and the assessment of the antibacterial activity. The bacterial strain of  and  was isolated from the oral cavity. To test the antibacterial impact of the extracts on bacteria, the agar well diffusion method was used. The phytochemical screening indicated the presence of Alkaloids, Flavonoids, Sapiens, Steroids, Tannins, Glycosides, and Carbohydrates, followed by the absence of Tannins in aqueous extract. Due to the leaf aqueous and methanol extract against , areas of inhibition were found (0.20 cm and 0.19 cm) at the concentration of 100 mg/ml, respectively. However, there were no regions of inhibition of the trend for both extracts. The sensitivity of bacterial isolates of and to antibiotics was also tested through Gentamicin, Amoxycillin, Azithromycin, Ciprofloxacin, Penicillin, and Polymyxin B, and the regions of inhibition appeared against (0.5cm, 0 cm, 0.34 cm, 0.45 cm, 0 cm, and 0.12 cm, respectively). Furthermore, the regions of inhibition appeared against K. pneumoniae (3 cm, 0.3 cm, 0.4 cm, 0.55 cm, 0 cm, 0.66 cm, respectively). The antibiotics showed a higher inhibition zone, compared to the aqueous and alcoholic extracts; however, further studies are required to be conducted to validate its reliability.

摘要

草药一直被用作许多病原体的传统治疗方法,并从药用植物中提取具有合适治疗指数的生物活性化合物,用于生产新药。此外,它们还被用于评估来自口腔的细菌对叶的水提物和醇提物以及抗生素的不同浓度。本研究于 2021 年 3 月至 8 月在伊拉克萨特拉赫医院的植物学系和生物学系同时进行。叶提取物用于植物成分检查和抗菌活性评估。从口腔中分离出 和 的细菌菌株。为了测试提取物对细菌的抗菌作用,采用琼脂孔扩散法。植物化学筛选表明存在生物碱、类黄酮、皂苷、类固醇、单宁、糖苷和碳水化合物,随后在水提物中不存在单宁。由于叶的水提物和甲醇提取物对 有抑制作用,在浓度为 100mg/ml 时,发现抑菌圈(0.20cm 和 0.19cm)。然而,两种提取物对 都没有抑菌圈趋势。还通过庆大霉素、阿莫西林、阿奇霉素、环丙沙星、青霉素和多粘菌素 B 测试了 和 细菌分离株对抗生素的敏感性,并且在 (0.5cm、0cm、0.34cm、0.45cm、0cm 和 0.12cm)处出现抑菌圈。此外,在 (3cm、0.3cm、0.4cm、0.55cm、0cm 和 0.66cm)处出现抑菌圈。抗生素的抑菌圈大于水提物和醇提物;然而,需要进一步的研究来验证其可靠性。

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