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NIR-based prediction of extractives in American white oak heartwood
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Adam M. Taylor
,
Nicole Labbé
Published/Copyright:
January 7, 2011
Abstract
White oak is commonly used for cooperage and the heartwood extractives are important for this application because of their impact on the flavor and color of wine and spirits aged in white oak barrels. White oak extractives comprise a complex mixture of compounds and the composition of the mixture can change within trees over time. The ability to monitor the extractives component of white oak heartwood could be helpful for assessments of barrels and their contents. Wood from five American white oak stave logs was sampled. NIR-based models could provide reasonable predictions of the concentration of individual extractives components. However, these extractives were highly correlated to one another and to radial location suggesting that segregation of white oak material based on distance from the pith could be an efficient method for selecting samples that are relatively rich in flavor-associated chemicals. The relatively poor near infrared-based prediction ability for total extractives content could be due to age-related changes in the composition of the mixture of extractives across the radius.
Received: 2010-9-2
Accepted: 2010-10-26
Published Online: 2011-01-07
Published Online: 2011-01-06
Published in Print: 2011-03-01
©2011 by Walter de Gruyter Berlin New York
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Keywords for this article
barrels;
extractives;
flavor;
heartwood;
near infrared (NIR);
wood quality
Articles in the same Issue
- Editorial
- Note from the Editor-in-Chief
- Original papers
- Delineating pMDI model reactions with loblolly pine via solution-state NMR spectroscopy. Part 1. Catalyzed reactions with wood models and wood polymers
- Delineating pMDI model reactions with loblolly pine via solution-state NMR spectroscopy. Part 2. Non-catalyzed reactions with the wood cell wall
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- Spherical PF resin beads prepared from phenol-liquefied Bambusa dolichoclada with suspension polymerization
- Novel paper sizing agents based on renewables. Part 4: Application properties in comparison to conventional ASA sizes
- Organosolv pretreatment of olive tree biomass for fermentable sugars
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- Synthesis and herbicidal activity of 5-dehydroabietyl-1,3,4-oxadiazole derivatives
- Quantification of polypropylene (PP) in wood plastic composites (WPCs) by analytical pyrolysis (Py) and differential scanning calorimetry (DSC)
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