GC-MS Analysis and Antimicrobial Evaluation of Essential Oil from the Epicarp of Nigerian Grown Afraegle paniculata (Rutaceae)

Dhaka University Journal of Pharmaceutical Sciences Pub Date : 2023-06-24 DOI:10.3329/dujps.v22i1.67097

O. Babatunde, G. Ajayi, Olasupo O. Ajayi, I. Ajayi

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Abstract

Essential oils are used as therapeutic agents in aromatherapy. In this study, the chemical composition and antimicrobial activity of the essential oils from the epicarp of Afraegle paniculata fruits from Nigeria were evaluated. The essential oil was obtained via hydro distillation and chemical components of the oils were analysed on Agilent Technologies 7890A gas chromatograph-mass spectrometry system. Antimicrobial assay was performed by disc diffusion method. GC-MS analysis revealed sixteen compounds consisting mainly of oxygenated monoterpene (39.61 %), esters (15.3 %), sesquiterpenes (13.1 %) and sesquiterpene alcohol (9.42 %). The oil showed appreciable activity against all the tested microorganisms except Aspergillus niger. At concentration of 1000 μg/ml, the inhibitory effect observed for S. aureus was 16 mm followed by 15 mm for B. subtilis and 7 mm for P. aeruginosa. The findings suggest that essential oil from A. paniculata fruits could serve as a valuable raw material for perfumery and cosmetic products. Dhaka Univ. J. Pharm. Sci. 22(1): 73-80, 2023 (June)

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尼日利亚生长的荆芥(芸香科)外果皮挥发油的GC-MS分析及抑菌性评价

精油在芳香疗法中用作治疗剂。本研究对产自尼日利亚的白蜡果外果皮精油的化学成分和抑菌活性进行了研究。采用水蒸气蒸馏法提取精油，并用Agilent Technologies 7890A气相色谱-质谱联用系统对精油的化学成分进行分析。采用圆盘扩散法进行抑菌试验。GC-MS分析发现16种化合物，主要由氧合单萜(39.61%)、酯类(15.3%)、倍半萜(13.1%)和倍半萜醇(9.42%)组成。该油对除黑曲霉外的所有微生物均有明显的活性。在浓度为1000 μg/ml时，对金黄色葡萄球菌的抑制作用为16 mm，对枯草芽孢杆菌的抑制作用为15 mm，对铜绿假单胞菌的抑制作用为7 mm。研究结果表明，金银花果实精油可作为一种有价值的香料和化妆品原料。达卡大学药学院。自然科学22(1):73- 80,2023 (6)

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Dhaka University Journal of Pharmaceutical Sciences

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