The supercritical carbon dioxide extraction of polyphenols from Propolis: A central composite design approach

被引：47

作者：

De Zordi, Nicola ^{[1
]}

Cortesi, Angelo ^{[1
]}

Kikic, Ireneo ^{[1
]}

Moneghini, Mariarosa ^{[2
]}

Solinas, Dario ^{[1
]}

Innocenti, Gabbriella ^{[3
]}

Portolan, Alessandro ^{[4
]}

Baratto, Gianni ^{[4
]}

Dall'Acqua, Stefano ^{[3
]}

机构：

[1] Univ Trieste, Dept Engn & Architecture, I-34127 Trieste, Italy

[2] Univ Trieste, Dept Chem & Pharmaceut Sci, I-34127 Trieste, Italy

[3] Univ Padua, Dept Pharmaceut Sci, I-35131 Padua, Italy

[4] UNIFARCO SpA, I-32305 Santa Giustina Bellunese, Italy

来源：

JOURNAL OF SUPERCRITICAL FLUIDS | 2014年 / 95卷

关键词：

Propolis; Supercritical fluids extraction; Central composite design; HPLC; Quali-quantitative composition; Flavonoids; CHEMICAL-COMPOSITION; FLUID EXTRACTION; CO2; EXTRACTION; BRAZILIAN PROPOLIS; OPTIMIZATION; FRACTIONATION;

D O I：

10.1016/j.supflu.2014.10.006

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The influence of different parameters on the Supercritical Carbon Dioxide (SCO2) extraction of Italian Propolis were studied with attention to extraction yield and chemical composition of obtained fractions. Operating parameters of SCO2 were optimized using central composite design. Analysis by multiple regression indicated that pressure and time have a major linear effect on the extraction yield and extract composition. Propolis SCO2 extracts present different chemical content compared to the ethanolic extract obtained with ultrasound assisted extraction (UAE). SCO2 extract can be used to perform further UAE ethanol extraction obtaining a flavonoid containing extract. These findings indicate two possible applications of supercritical carbon dioxide for Propolis extraction, one to obtain lipophilic fractions enriched in specific constituents, the other as pre-treatment of the crude material to facilitate the further extraction with ethanol. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：491 / 498

页数：8

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