Supercritical fluid extraction of bioactive compounds
نویسندگان
چکیده
منابع مشابه
Supercritical fluid extraction of bioactive compounds from sunflower leaves: comparison of analytical and pilot-scale extraction
Supercritical fluid extraction (SFE) from natural products has been widely studied as an alternative to the use of traditional techniques in the production of bioactive compounds. It has been demonstrated that this process is particularly useful when treating thermolabile compounds and solvent pollution has to be avoided. SFE can be applied to systems of different scales, from analytical scale,...
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Supercritical carbon dioxide with ethanol as modifier was employed in the extraction of functional food ingredients from Cystoseira abies-marine algae. Three different types of pre-treatment were employed to prepare the vegetal raw material producing an important effect on extraction yield. The experimental assays were carried out in a semi-continuous extraction cell at 290 bar, 40 °C and using...
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Background and Objectives: Supercritical fluid extraction (SFE) technique has been studied for extraction of bioactive compounds from Feijoa sellowiana leaves. Results were compared with those obtained from conventional ethanolic extraction (CE). Materials and Methods: Results: The best supercritical carbon dioxide (SC-CO2) extraction conditions was determined as 250 bar of pressure, 50 °...
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high pressures also requires special equipment. In summary, both RESS crystallization and SAS crystallization appear to be promising methods for generating supersaturation and therefore represent alternatives to conventional crystallization. Such alternatives may prove attractive in applications such as polymer and pharmaceutical processing, or in particle design for drug delivery. It is possib...
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The methods used to facilitate the supercritical fluid extraction (SFE) of polar and ionic compounds are based on two general principles, either increasing the polarity of the supercritical fluid (SF) (usually CO,) used as extractant or reducing the polarity of the analytes to be leached from the solid matrices. Changes in the pressure and temperature of the SF, the use of SFs more polar than C...
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ژورنال
عنوان ژورنال: TrAC Trends in Analytical Chemistry
سال: 2016
ISSN: 0165-9936
DOI: 10.1016/j.trac.2015.11.013