Supercritical Antisolvent Precipitation of Quercetin Systems: Preliminary Experiments

Flavonoids have attracted a lot of attention due to their antioxidant, antitumor and antibacterial activities. Quercetin (3,5,7,3,4-pentahydroxyflavone) is a polyphenolic flavonoid that shows several biological effects including a strong inhibitory effect on the growth of several human and animal ca...

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Published in:Chemical and Biochemical Engineering Quarterly 2012-12, Vol.26 (4), p.391
Main Authors: Alessi, P, Cortesi, A, De Zordi, N, Gamse, T, Kikic, I, Moneghini, M, Solinas, D
Format: Article
Language:English
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micronisation
physicochemical characterization
Quercetin
supercritical antisolvent technique
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container_issue 4
container_start_page 391
container_title Chemical and Biochemical Engineering Quarterly
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creator Alessi, P
Cortesi, A
De Zordi, N
Gamse, T
Kikic, I
Moneghini, M
Solinas, D
description Flavonoids have attracted a lot of attention due to their antioxidant, antitumor and antibacterial activities. Quercetin (3,5,7,3,4-pentahydroxyflavone) is a polyphenolic flavonoid that shows several biological effects including a strong inhibitory effect on the growth of several human and animal cancer cell lines and enhances the antiproliferative effect of cisplatin both in-vitro and in-vivo. In spite of a variety of its biological effects. Quercetin is very poorly soluble in water, which has limited its absorption upon oral administration. As known, the solubility of drug is often due to the increase of the surface/volume ratio which implies the increase of the number of surface atoms (or molecules) with respect to the number of bulk atoms (or molecules). With this aim, we investigated the use of supercritical antisolvent (SAS) technique for Quercetin microparticles generation finding the best operative conditions through the Peng Robinson’s Equation of State. The obtained simulation behaviors were confirmed by experimental precipitation: the physicochemical characterizations of the samples were also performed
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subjects micronisation
physicochemical characterization
Quercetin
supercritical antisolvent technique
title Supercritical Antisolvent Precipitation of Quercetin Systems: Preliminary Experiments
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