Chemical and antibacterial properties of Baccharis dracunculifolia DC essential oils from different regions of Brazil

IF 2.2 3区农林科学 Q3 CHEMISTRY, APPLIED

Journal of Essential Oil Research Pub Date : 2022-08-19 DOI:10.1080/10412905.2022.2103043

Erika da Silva Monteiro, Kelly de Sousa Monteiro, Patrícia da Silva Montes, Cláudio Augusto Gomes Camara, M. M. Moraes, C. Fagg, Daniel Oliveira Freire, Eliana Fortes Gris, I. C. Rodrigues da Silva, L. C. Sá-Barreto, Daniela Castilho Orsi

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引用次数: 2

Abstract

ABSTRACT This study aimed to evaluate the chemical and antibacterial properties of the essential oil of B. dracunculifolia from three regions of Brazil: Midwest, Southeast and South region. The major compounds of essential oil from Midwest region were (E)-nerolidol (28.15%) and spathulenol (17.68%), both oxygenated sesquiterpenes. And the major compounds of essential oils from Southeast and South regions were (E)-nerolidol (12.75–13.95%), bicyclogermacrene (10.76–14.21%) and limonene (10.49–19.36%). The three essential oils showed antibacterial activity for both Gram-positive and Gram-negative bacteria tested, with MIC values from 0.03 to 0.15 mg/mL and MBC values from 0.05 to 0.30 mg/mL. The B. dracunculifolia essential oil from the Midwest region of Brazil presented higher values of oxygenated sesquiterpenes and was more effective on all tested bacterial strains, with lower and statistically significant MBC values, compared to the oils from the Southeast and South regions of Brazil

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来自巴西不同地区的龙葵DC精油的化学和抗菌特性

摘要:本研究旨在评价巴西中西部、东南部和南部三个地区龙葵精油的化学成分和抑菌性能。中西部地区挥发油的主要成分为(E)-神经樟醇(28.15%)和spathulenol(17.68%)，均为含氧倍半萜。东南、南部地区主要挥发油成分为(E)-橙花醇(12.75 ~ 13.95%)、双环革烯(10.76 ~ 14.21%)和柠檬烯(10.49 ~ 19.36%)。3种精油对革兰氏阳性菌和革兰氏阴性菌均有抑菌活性，MIC值为0.03 ~ 0.15 mg/mL, MBC值为0.05 ~ 0.30 mg/mL。与产自巴西东南部和南部地区的精油相比，产自巴西中西部地区的龙葵精油含氧倍半萜含量较高，对所有被试菌株都更有效，MBC值较低且具有统计学意义

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来源期刊

Journal of Essential Oil Research 工程技术-食品科技

CiteScore

6.00

自引率

3.30%

发文量

审稿时长

18-36 weeks

期刊介绍： Journal of Essential Oil Research ( JEOR) is the major forum for the publication of essential oil research and analysis. Each issue includes studies performed on the chemical composition of some of the 20,000 aromatic plants known in the plant kingdom. JEOR is devoted entirely to all phases of research from every corner of the world by the experts in their field. JEOR''s main areas of focus include: -Analytical chemistry- Biological activity- Biotechnology- Chemical composition- Chemical synthesis- Chemosystematics- Microbiological activity- Plant biochemistry/biosynthesis- Toxicology. Published six times per year, JEOR provides articles on the aromatic principles of a plant or its isolates and are directed toward furthering our readers'' knowledge of the aromatic plant and animal kingdoms.