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Essential oil of Bassia muricata: Chemical characterization, antioxidant activity, and allelopathic effect on the weed Chenopodium murale.
Saudi Journal of Biological Sciences ( IF 4.4 ) Pub Date : 2020-04-18 , DOI: 10.1016/j.sjbs.2020.04.018
Ahmed Abd-ElGawad 1, 2 , Abd El-Nasser El Gendy 3 , Yasser El-Amier 2 , Ahmed Gaara 4 , Elsayed Omer 3 , Saud Al-Rowaily 1 , Abdulaziz Assaeed 1 , Sarah Al-Rashed 5 , Abdelsamed Elshamy 4
Affiliation  

The essential oil (EO) of Bassia muricata shoots was extracted via hydro-distillation and then investigated by gas chromatography-mass spectrometry. Thirty-four compounds were recognized for the first time from this plant, representing 100% of the total mass. Terpenoids represented the major components with 69.17% of the total mass, containing oxygenated sesquiterpenes (53.18%), oxygenated monoterpenes (9.77%), sesquiterpene hydrocarbons (5.03%), and diterpenes (1.19%). Additionaly, 6-methoxy-1-acetonaphthone was the only aromatic compound represented in a high percentage of the total identified compounds with 22.35%. Additionally, a percent of 8.48% of the total mass was hydrocarbons. Only one oxygenated sesquiterpene namely hexahydrofarnesyl acetone representing 47.35% of the total mass was identified. It was followed by methoxy-1-acetonaphthone (19.92%), n-dotriacontane (3.58%), endo-borneol (3.24%), 6-methy-α-ionone (3.04%), and α-gurjunene (2.65%). The EO exhibited moderate antioxidant activity comparable with ascorbic acid as a standard, where it attained IC50 value of 20.70 µL L−1 and 16.32 µL L−1, for DPPH and ABTS. The EO of B. muricata significantly reduces the germination and seedling development of the weed Chenopodium murale. The EO showed an IC50 value of 175.60 µL L−1, 246.65 µL L−1, and 308.33 µL L−1 for root growth, shoot growth, and germination, respectively. Therefore, this EO could be a good green resource for the control of weeds.



中文翻译:

巴里西亚栗(Bussia muricata)的精油:化学特性,抗氧化活性和对杂草藜草的化感作用。

巴斯里巴斯塔香精油(EO)通过水蒸馏提取枝条,然后通过气相色谱-质谱法进行研究。该植物首次鉴定出34种化合物,占总质量的100%。萜类化合物是主要成分,占总质量的69.17%,其中包含氧化的倍半萜(53.18%),氧化的单萜(9.77%),倍半萜碳氢化合物(5.03%)和二萜(1.19%)。另外,在总鉴定化合物中,高含量的6-甲氧基-1-乙酰萘酮是唯一的芳香族化合物,占22.35%。另外,占总质量的8.48%的百分比是碳氢化合物。仅鉴定出一种氧化的倍半萜烯,即占总质量的47.35%的六氢法呢基丙酮。其次是甲氧基-1-乙酰萘酮(19.92%),n-三碳三烯(3.58%),内-冰片(3.24%),6-甲基-α-紫罗兰酮(3.04%)和α-古丁烯(2.65%)EO表现出与抗坏血酸为标准的适度抗氧化活性,对于DPPH和ABTS,EO的IC 50值为20.70 µL L -1和16.32 µL L -1。的EO B.柃显著减少杂草的萌发和幼苗发育藜murale。所述EO显示的IC 50的175.60μLL值-1,246.65μL大号-1,和308.33μL大号-1分别用于根生长,芽生长和发芽。因此,该EO可能是控制杂草的良好绿色资源。

更新日期:2020-04-18
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