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Chemical composition and biological activities of Salvia officinalis essential oil from Tunisia

机译:突尼斯丹参药材的化学成分和生物活性

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摘要

The aim of this study is to evaluate the chemical composition, antioxidant, antimicrobial, insecticidal and allelopathic activities of Tunisia Salvia officinalis essential oil (SoEO). The SoEO was characterized by the presence of 49 components with camphor (25.14 %), α-thujone (18.83 %), 1,8-cineole (14.14 %), viridiflorol (7.98 %), β-thujone (4.46 %) and β-caryophyllene (3.30 %) as the major components, determined by gas chromatography-mass spectrometry. The level of antioxidant activity, determined by complementary tests, namely 2,2-diphenyl-1-picrylhydrazyl radical-scavenging (IC50= 6.7 mg/mL), linoleic acid peroxidation (IC50= 9.6 mg/mL) and ferric reducing assays (IC50= 28.4 mg/mL), was relatively moderate. The SoEO was also screened for its antimicrobial activity. Good to moderate inhibitions were recorded for most of tested microorganisms. It also exhibited important insecticidal activity against Spodoptera littoralis larvae and Tribolium castaneum adults with LC50 values of 55.99 and 97.43 µl/L air, respectively. The effect of the SoEO on seeds germination and growth showed different activities against radical and hypocotyl elongation of the tested species. These results suggest the potential use of the SoEO as natural antimicrobial preservative in cosmetic, pharmaceutical industry and in pest management.
机译:这项研究的目的是评估突尼斯丹参药材(SoEO)的化学成分,抗氧化剂,抗菌,杀虫和化感活性。 SoEO的特征是存在49种成分,其中包括樟脑(25.14%),α-thujone(18.83%),1,8-cineole(14.14%),viridiflorol(7.98%),β-thujone(4.46%)和β通过气相色谱-质谱法测定,以石竹烯为主要成分(3.30%)。抗氧化剂活性水平由补充测试确定,即清除2,2-二苯基-1-吡啶并肼基(IC50 = 6.7 mg / mL),亚油酸过氧化(IC50 = 9.6 mg / mL)和三氧化二铁含量测定(IC50 = 28.4 mg / mL),相对中等。还对SoEO的抗微生物活性进行了筛选。记录了大多数测试微生物的良好至中度抑制作用。它还显示出对斜纹夜蛾幼虫和锥栗Tribolium castaneum成虫的重要杀虫活性,LC50值分别为空气的55.99和97.43 µl / L。 SoEO对种子发芽和生长的影响显示出不同的抗受试物种自由基和下胚轴伸长的活性。这些结果表明,SoEO作为天然抗菌防腐剂在化妆品,制药行业和有害生物管理中的潜在用途。

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