期刊
ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS
卷 95, 期 1, 页码 -出版社
ACAD BRASILEIRA DE CIENCIAS
DOI: 10.1590/0001-3765202320220359
关键词
Lippia alba; Lippia origanoides; minimum bactericidal concentration; mini-mum inhibitory concentration; oxygenated monoterpenes
This study aimed to investigate the chemical composition, antioxidant activity, acute toxicity, and antimicrobial effects of essential oils extracted from Lippia alba and L. origanoides. The essential oils showed antibacterial activity against Vibrio parahaemolyticus and antioxidant potential. Both oils were also found to be toxic to Artemia salina nauplii. These essential oils may have potential in controlling pathogenic bacteria in the aquaculture industry.
There is an increasing interest in essential oils extracted from Verbenaceae plant species as potential sources of biologically active compounds that could provide a starting point for designing novel phyto-pharmaceuticals in aquaculture. The present study was aimed to investigate the chemical composition, antioxidant activity, acute toxicity and antimicrobial effects against Vibrio parahaemolyticus of essential oils extracted from Lippia alba and L. origanoides. Approximately 23 components were identified and quantified by gas chromatography-mass spectrometry and flame ionization detection in each species' essential oil. The most predominant compounds were geranial (23.0%), limonene (17.0%) and neral (15.5%) in L. alba, and thymol (47.2%), p-cymene (16.0%) and E-caryophyllene (11.3%) in L. origanoides. The essential oils have antibacterial activity against Vibrio parahaemolyticus presenting Minimum Inhibitory Concentration (MIC) and Bactericidal Concentration (MBC) values between 156-625 mu g mL-1. The essential oils also show antioxidant potential estimated by 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging assays, presenting IC50 of 60.16 mg mL-1 and 0.22 mg mL-1 for L. alba and L. origanoides EO, respectively. Both oils were classified as toxic to Artemia salina nauplii. Therefore, these essential oils may be useful for controlling pathogenic bacteria important to the aquaculture industry.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据