Selective separation or extraction of steroidal glycosides by supercritical fluid extraction using carbon dioxide

Selective separation or extraction of steroidal glycosides by supercritical fluid extraction using carbon dioxide

A method for selectively separating desirable steroidal glycosides from undesirable components present in plant material of the Asclepiadaceae family containing the same. The method comprises contacting the plant material or material derived therefrom (herein: "the material") with liquid o...

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Hauptverfasser: PHILIP JAMES GUNNING, PAUL MARTIN ROSE, RAYMOND JOHN MARRIOT
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
STEROIDS
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creator PHILIP JAMES GUNNING
PAUL MARTIN ROSE
RAYMOND JOHN MARRIOT
description A method for selectively separating desirable steroidal glycosides from undesirable components present in plant material of the Asclepiadaceae family containing the same. The method comprises contacting the plant material or material derived therefrom (herein: "the material") with liquid or supercritical carbon dioxide under conditions whereby the desirable steroidal glycosides dissolve in the liquid or supercritical carbon dioxide in preference to the undesirable components, and subsequently recovering the desirable steroidal glycosides from the carbon dioxide solution.
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subjects CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
STEROIDS
title Selective separation or extraction of steroidal glycosides by supercritical fluid extraction using carbon dioxide
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