Quantitative Analysis of Euglobals in Eucalyptus loxophleba Leaves by qNMR

A simple, rapid, accurate and selective 1H NMR spectroscopic method to detect and quantify euglobals in the leaves of Eucalyptus loxophleba ssp. lissophloia has been developed. The method allows for the estimation of total concentration of diformylphloroglucinol-monoterpene adducts, as well as the q...

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Bibliographic Details
Published in:Natural product communications 2011-09, Vol.6 (9), p.1281-1284
Main Authors: Sidana, Jasmeen, Foley, William J., Singh, Inder Pal
Format: Article
Language:English
Subjects:
Eucalyptus - chemistry
Magnetic Resonance Spectroscopy - methods
Molecular Structure
Phloroglucinol - analogs & derivatives
Phloroglucinol - chemistry
Plant Leaves - chemistry
Terpenes - chemistry
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Summary:A simple, rapid, accurate and selective 1H NMR spectroscopic method to detect and quantify euglobals in the leaves of Eucalyptus loxophleba ssp. lissophloia has been developed. The method allows for the estimation of total concentration of diformylphloroglucinol-monoterpene adducts, as well as the quantitation of sabinene- and α/β-phellandrene-adducts, separately. The method was validated for accuracy, precision and linearity using as reference standards 2-ethyl phenol and mixtures of jensenone, a monomeric formylated phloroglucinol, and 2-ethyl phenol.
ISSN:1934-578X
1555-9475
DOI:10.1177/1934578X1100600918