The Rapid Determination of Sideroxylonals in Eucalyptus Foliage by Extraction with Sonication followed by HPLC
A rapid method is described for the quantification of sideroxylonals, a group of formylated phloroglucinol compounds found in some eucalypts. Samples of dry, ground foliage were extracted by sonication with 20% methanol in acetonitrile, 7% water in acetonitrile or 40% water in acetonitrile and the extracts analysed by reversed phase HPLC. The extracts from the two water-acetonitrile extractions were stable for at least 48 h. All three sonication methods recovered more sideroxylonals than did...[Show more]
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