CHEMICAL COMPOSITION AND ANTIOXIDANT ACTIVITY OF THE ESSENTIAL OIL OF CHROMOLAENA ODORATA HARVESTED IN THE REGION OF THE MOUNTAIN DISTRICT OF CÔTE D'IVOIRE.

Seraphin N'DRI Konan, Yéo Sounta Oumar, T. Lanciné, Kouamé Bosson Antoine, Mamyrbékova-Békro Janat Akhanovna, B. Yves-Alain
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Abstract

Introduction: The aromatic plants have occupied an important place in the daily life of man. The excessive and repetitive use of drugs has led the body to develop resistance to their curative effects. Many authors have focused on the study of the therapeutic properties of essential oils in order to provide new remedies. They are used as a source of bioactive molecules of natural origin. Objective: The objective of this work is to contribute to the valorization of medicinal and aromatic plants of the Ivorian flora. We propose to determine the chemical composition and to evaluate the antioxidant activity by spectrophotometry of the essential oil. Materials and Methods: The plant material consists of the leafy twigs of C. odorata. The technical of steam distillation using a four-compartment stainless steel device was used to extract the essential oil from the plant matrix. The analysis of the essential oils was carried out on a GC chromatograph (7890A, Agilent Technologies) coupled to a mass spectrometer (5975C, Agilent Technologies). The antioxidant potential of the extracts was evaluated using the Blois method. Results:  The essential oil obtained by steaming, with an aromatic odor and pale green color has a yield of (0.082 ± 0.004) %. Analysis of the chromatogram and mass spectra identified 24 phytocompounds (99.92%). The phytochemical composition is dominated by hydrocarbon sesquiterpenes (44.21%) followed by hydrocarbon monoterpenes (29.48%) and other compounds (26.23%). The major compound are α-pinene (17.79%), 6-propen-1-enylbicyclo [3.1.0] and hexan-2-one (14.95%) . Conclusion: The essential oil extract of  C. odorata exhibits low antioxidant activity compared to vitamin C.
产自cÔte科特迪瓦山区的臭虫精油的化学成分和抗氧化活性。
芳香植物在人类的日常生活中占有重要的地位。过度和反复使用药物导致身体对其疗效产生耐药性。许多作者致力于研究精油的治疗特性,以提供新的治疗方法。它们被用作天然生物活性分子的来源。目的:本工作的目的是促进科特迪瓦植物区系药用和芳香植物的增值。我们建议用分光光度法测定挥发油的化学成分并评价其抗氧化活性。材料与方法:植物材料由香桐的多叶细枝组成。采用四室不锈钢装置蒸馏法从植物基质中提取精油。用GC色谱仪(7890A, Agilent Technologies)和质谱仪(5975C, Agilent Technologies)对精油进行分析。采用Blois法评价提取物的抗氧化能力。结果:蒸制得到的精油,香气清幽,色泽淡绿色,得率为(0.082±0.004)%。色谱和质谱分析鉴定出24种植物化合物(99.92%)。植物化学成分以烃类倍半萜(44.21%)为主,其次为烃类单萜(29.48%)和其他化合物(26.23%)。主要化合物为α-蒎烯(17.79%)、6-丙烯-1-烯基双环[3.1.0]和己烷-2-酮(14.95%)。结论:与维生素C相比,臭椿精油提取物具有较低的抗氧化活性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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