Fractionated Distillation
Mostrando 1-3 de 3 artigos, teses e dissertações.
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1. Characterization and evaluation of the cytotoxic potential of the essential oil of Chenopodium ambrosioides
Abstract The essential oil of Chenopodium ambrosioides L., Amaranthaceae, was obtained by steam distillation in a Clevenger apparatus and characterization was performed using chromatographic and spectroscopic assays (GC-FID, GC/MS, 1H NMR). Two major compounds were identified: p-cymene (42.32%) and ascaridole (49.77%). The ethanolic extract and hydrolate wer
Rev. bras. farmacogn.. Publicado em: 2016-02
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2. Influence of essential oil fractionation by vacuum distillation on acaricidal activity against the cattle tick
The aim of this work was to study the influence of essential oil fractionation on acaricidal activity against the cattle tick Rhipicephalus (Boophilus) microplus. The citronella (Cymbopogon winterianus J.) and pepper tree (Schinus molle L.) essential oils were fractionated by vacuum distillation yielding fractions that were analyzed by the GC/MS. Laboratory
Brazilian Archives of Biology and Technology. Publicado em: 2012-08
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3. Avaliação da eficiência de pratos valvulados de dois passes com downcomer de uma coluna de destilação industrial
Este trabalho aborda a predição da eficiência de pratos valvulados de dois passes, de escoamento cruzado com downcomers de uma coluna de destilação industrial, através do uso de diferentes modelos com e sem o uso do método Stagnant Regions Model proposto por Lockett em 1986. Contrariando o esperado, poucos artigos foram publicados sobre as principais
Publicado em: 2009