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Premium Ionic content in plant extracts determined by ion chromatography with conductivity detection
Author(s)
Cataldi Tommaso R. I.,
Margiotta Giovanna,
Del Fiore Antonella,
Bufo Sabino A.
Publication year2003
Publication title
phytochemical analysis
Resource typeJournals
PublisherJohn Wiley & Sons
Abstract A simple method is described for the determination of the ionic content of vegetable samples by ion chromatography with suppressed conductivity detection. Extracts of leaves of cucumber ( Cucumis sativus ), leaves and cotyledons of watermelon ( Citrullus lanantus ), cotyledons of zucchini ( Cucurbita pepo ), and leaves and roots of olive ( Olea europaea ) obtained at room temperature yielded chromatographic profiles with substantial differences in the relative contents of Cl − , NO 3 − , HPO 4 2− and SO 4 2− as well as of Na + , NH 4 + , K + , Mg 2+ and Ca 2+ . Although NO 3 − , Cl − and K + were common to each extracted sample and accounted for most of the ions present, two additional anion peaks (i.e. malate and oxalate) were detected. Among the vegetable tissues investigated, olive roots contained a considerable amount of oxalate (37 mg/g dry weight), while Na + , which is present in very low amount in extracted samples of leaves and cotyledons, represented ca. 30% of the cationic content of olive roots. In all the examined tissue extracts, K + was the main cation (16–55 mg/g dry weight) and NO 3 − , Cl − and HPO 4 2− were the main inorganic anions. Copyright © 2003 John Wiley & Sons, Ltd.
Subject(s)biology , botany , cationic polymerization , chemistry , chromatography , cucumis , inorganic chemistry , ion chromatography , nuclear chemistry , olea , organic chemistry , oxalate
Language(s)English
SCImago Journal Rank0.574
H-Index72
eISSN1099-1565
pISSN0958-0344
DOI10.1002/pca.700

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