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Analytical study of azadirachtin and 3-tigloylazadirachtol residues in foliage and Phloem of hardwood tree species by liquid chromatography-electrospray mass spectrometry.

https://arctichealth.org/en/permalink/ahliterature101555
Source
J Agric Food Chem. 2011 Aug 10;59(15):8070-7
Publication Type
Article
Date
Aug-10-2011
Author
Susana Grimalt
Dean G Thompson
Melanie Coppens
Derek T Chartrand
Thomas Shorney
Joe Meating
Taylor Scarr
Author Affiliation
Canadian Forest Service, Natural Resources Canada , Great Lakes Forestry Centre, 1219 Queen Street East, Sault Ste. Marie, Ontario, Canada P6A?2E5.
Source
J Agric Food Chem. 2011 Aug 10;59(15):8070-7
Date
Aug-10-2011
Language
English
Publication Type
Article
Abstract
A rapid and sensitive LC-ESI-MS method has been developed and validated for the quantitation of azadirachtin and 3-tigloylazadirachtol in deciduous tree matrices. The method involves automated extraction and simultaneous cleanup using an accelerated solvent technique with the matrix dispersed in solid phase over a layer of primary-secondary amine silica. The limits of quantification were 0.02 mg/kg for all matrices with the exception of Norway maple foliage (0.05 mg/kg). Validation at three levels (0.02, 0.1, and 1 mg/kg), demonstrated satisfactory recoveries (71-103%) with relative standard deviation
PubMed ID
21726086 View in PubMed
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