Phytochemical investigation of dichloromethanic fraction on Ocimum gratissimum L. extract/ Estudo químico da fração diclorometânica do extrato de Ocimum gratissimum L.
作者: Michele RossetVitor de Moraes ZamarionMilton FaccioneTerezinha de Jesus FariaJurandir Pereira PintoAneli de Melo BarbosaJosé Roberto Pinto de Souza
刊名: Semina : Ciências Agrárias, 2005, Vol.26 (4), pp.515
来源数据库: Directory of Open Access Journals
关键词: Ocimum gratissimumAtividade antifúngicaEugenolFungos fitopatogênicos.
原始语种摘要: Previous studies showed that ethanolic extract of Ocimum gratissimum inhibited growth of Penicillium chrysogenum, Rhizoctonia sp, Aspergillus niger and Alternaria sp, isolated from tomato and carrot. The aim of this study was to identify the chemical constituents of Ocimum gratissim. Aerial parts of the plant were treated with hexane-dichloromethane-ethanol mixture (1:3:1) at room temperature. The obtained extract was chromatographed on silica gel column eluted with hexane, dichloromethane and ethanol. Fractions eluted with dichloromethane were rechromatographed on a column of silica gel to yield alyphatic hydrocarbon mixture (C31, C33, C34 e C35), eugenol, caryophyllene oxide and a mixture of stigmasterol and sitosterol. The structures of the compounds were deduced by spectral data...
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关键词翻译
关键词翻译
  • extract 提取
  • eugenol 丁子香酚
  • mistura 混合剂
  • stigmasterol 豆甾醇
  • caryophyllene 丁子香烯
  • sitosterol 谷甾醇
  • ethanol 乙醇
  • planta 足底
  • hexane 己烷
  • niger 皂脚