Chromenes from Ageratum conyzoides: Steam distillation, supercritical extraction, and mathematical modeling
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作者:
Barros, Francisco M. C.
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Univ Fed Rio Grande do Sul, Fac Farm, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Porto Alegre, RS, Brazil
Barros, Francisco M. C.
[1
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Almeida, Patricia Carvalho
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Pontificia Univ Catolica Rio Grande do Sul, Fac Engn, Ave Ipiranga 6681,Pr 30, BR-90619900 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Porto Alegre, RS, Brazil
Almeida, Patricia Carvalho
[2
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Scopel, Rodrigo
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Pontificia Univ Catolica Rio Grande do Sul, Fac Engn, Ave Ipiranga 6681,Pr 30, BR-90619900 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Porto Alegre, RS, Brazil
Scopel, Rodrigo
[2
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do Espirito Santo, Alexandre Timm
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Pontificia Univ Catolica Rio Grande do Sul, Fac Engn, Ave Ipiranga 6681,Pr 30, BR-90619900 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Porto Alegre, RS, Brazil
do Espirito Santo, Alexandre Timm
[2
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Lucas, Aline Machado
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Pontificia Univ Catolica Rio Grande do Sul, Fac Engn, Ave Ipiranga 6681,Pr 30, BR-90619900 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Porto Alegre, RS, Brazil
Lucas, Aline Machado
[2
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Bordignon, Sergio A. L.
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Ctr Univ La Salle, Avaliacao Impactos Ambientais, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Porto Alegre, RS, Brazil
Bordignon, Sergio A. L.
[3
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Cassel, Eduardo
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Pontificia Univ Catolica Rio Grande do Sul, Fac Engn, Ave Ipiranga 6681,Pr 30, BR-90619900 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Porto Alegre, RS, Brazil
Cassel, Eduardo
[2
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Vargas, Rubem M. F.
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Pontificia Univ Catolica Rio Grande do Sul, Fac Engn, Ave Ipiranga 6681,Pr 30, BR-90619900 Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Porto Alegre, RS, Brazil
Vargas, Rubem M. F.
[2
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von Poser, Gilsane
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Univ Fed Rio Grande do Sul, Fac Farm, Porto Alegre, RS, BrazilUniv Fed Rio Grande do Sul, Fac Farm, Porto Alegre, RS, Brazil
von Poser, Gilsane
[1
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机构:
[1] Univ Fed Rio Grande do Sul, Fac Farm, Porto Alegre, RS, Brazil
[2] Pontificia Univ Catolica Rio Grande do Sul, Fac Engn, Ave Ipiranga 6681,Pr 30, BR-90619900 Porto Alegre, RS, Brazil
[3] Ctr Univ La Salle, Avaliacao Impactos Ambientais, Porto Alegre, RS, Brazil
The chromenes extraction processes from Ageratum conyzoides by steam distillation and supercritical fluid extraction (SFE) were studied. Essential oil was extracted by saturated steam at 1.0 to 2.0 bar and the SFE was performed at 40oC and 90 to 200 bar to obtain non-volatile extracts. The essential oil presented two major compoundsprecocene I (28.24%) and precocene II (28.55%). At 90 bar, the SFE resulted in higher yield and selectivity for precocene I and II (65.06%). The yield of chromenes varied according to pressure of SFE; however, this behavior was not observed in extracts obtained by steam distillation.
机构:
Univ Fed Rural Rio de Janeiro, Dept Chem Engn, Appl Thermodynam & Biofuels Lab, Rio de Janeiro, BrazilUniv Fed Rural Rio de Janeiro, Dept Chem Engn, Appl Thermodynam & Biofuels Lab, Rio de Janeiro, Brazil
Sartori, R. B.
Higino, M. L.
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Univ Fed Rural Rio de Janeiro, Dept Chem Engn, Appl Thermodynam & Biofuels Lab, Rio de Janeiro, BrazilUniv Fed Rural Rio de Janeiro, Dept Chem Engn, Appl Thermodynam & Biofuels Lab, Rio de Janeiro, Brazil
Higino, M. L.
Bastos, L. H. P.
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Fiocruz MS, Chem Dept, Lab Pesticide Residues, Rio De Janeiro, BrazilUniv Fed Rural Rio de Janeiro, Dept Chem Engn, Appl Thermodynam & Biofuels Lab, Rio de Janeiro, Brazil
Bastos, L. H. P.
Mendes, M. F.
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Univ Fed Rural Rio de Janeiro, Dept Chem Engn, Appl Thermodynam & Biofuels Lab, Rio de Janeiro, BrazilUniv Fed Rural Rio de Janeiro, Dept Chem Engn, Appl Thermodynam & Biofuels Lab, Rio de Janeiro, Brazil
机构:
Univ Putra Malaysia, Dept Bioproc Technol, Fac Biotechnol & Biomol Sci, Upm Serdang 43400, Selangor, MalaysiaUniv Putra Malaysia, Dept Bioproc Technol, Fac Biotechnol & Biomol Sci, Upm Serdang 43400, Selangor, Malaysia
Mohamad, Nurshazana
Ramli, Norhayati
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Univ Putra Malaysia, Dept Bioproc Technol, Fac Biotechnol & Biomol Sci, Upm Serdang 43400, Selangor, MalaysiaUniv Putra Malaysia, Dept Bioproc Technol, Fac Biotechnol & Biomol Sci, Upm Serdang 43400, Selangor, Malaysia
Ramli, Norhayati
Abd-Aziz, Suraini
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Univ Putra Malaysia, Dept Bioproc Technol, Fac Biotechnol & Biomol Sci, Upm Serdang 43400, Selangor, MalaysiaUniv Putra Malaysia, Dept Bioproc Technol, Fac Biotechnol & Biomol Sci, Upm Serdang 43400, Selangor, Malaysia
Abd-Aziz, Suraini
Ibrahim, Mohamad Faizal
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Univ Putra Malaysia, Dept Bioproc Technol, Fac Biotechnol & Biomol Sci, Upm Serdang 43400, Selangor, Malaysia
Univ Putra Malaysia, Lab Biopolymer & Derivat, Inst Trop Forestry & Forest Prod, Upm Serdang 43400, Selangor, MalaysiaUniv Putra Malaysia, Dept Bioproc Technol, Fac Biotechnol & Biomol Sci, Upm Serdang 43400, Selangor, Malaysia