Document Detail

Near infrared spectroscopy for cost effective screening of foliar oil characteristics in a Melaleuca cajuputi breeding population.
MedLine Citation:
PMID:  12696917     Owner:  NLM     Status:  MEDLINE    
The identification of Melaleuca cajuputi leaf samples (trees) that demonstrate enhanced oil characteristics using near infrared (NIR) spectroscopy is described. Leaf samples from an unthinned M. cajuputi seedling seed orchard in Indonesia were collected and air-dried, and their 1,8-cineole content and oil concentrations were determined. NIR spectra of the leaves were obtained, and calibrations for 1,8-cineole content and oil concentration were developed using spectra that had been selected using spectral features; that is, no knowledge of 1,8-cineole content or oil concentration was used to select the calibration samples. The calibrations were used to predict the 1,8-cineole content and oil concentration of the remaining samples. It was demonstrated that NIR spectroscopy could be used to identify leaf samples that had high 1,8-cineole contents and oil concentrations. The technique has the potential to greatly reduce the time involved in ranking large numbers of samples for these attributes, as is a requirement in tree breeding programs to enhance oil production.
Laurence R Schimleck; John C Doran; Anto Rimbawanto
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of agricultural and food chemistry     Volume:  51     ISSN:  0021-8561     ISO Abbreviation:  J. Agric. Food Chem.     Publication Date:  2003 Apr 
Date Detail:
Created Date:  2003-04-16     Completed Date:  2003-07-08     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0374755     Medline TA:  J Agric Food Chem     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2433-7     Citation Subset:  IM    
CSIRO Forestry and Forest Products, Private Bag 10, Clayton South MDC, Victoria 3169, Australia.
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MeSH Terms
Cyclohexanols / analysis*
Melaleuca / chemistry*
Plant Leaves / chemistry
Plant Oils / analysis*
Sensitivity and Specificity
Spectroscopy, Near-Infrared / economics,  methods*
Terpenes / analysis*
Reg. No./Substance:
0/Cyclohexanols; 0/Monoterpenes; 0/Plant Oils; 0/Terpenes; 470-82-6/cineole

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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