Analysis of Black Wattle (Acacia mearnsii De Wild) Bark by Near Infrared Spectroscopy

Verfasser / Beitragende:
[L. R. Schimleck, Y. Yazaki]
Ort, Verlag, Jahr:
2003
Enthalten in:
Holzforschung, 57/5(2003-08-20), 527-532
Format:
Artikel (online)
ID: 378867628
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024 7 0 |a 10.1515/HF.2003.078  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.1515/HF.2003.078 
245 0 0 |a Analysis of Black Wattle (Acacia mearnsii De Wild) Bark by Near Infrared Spectroscopy  |h [Elektronische Daten]  |c [L. R. Schimleck, Y. Yazaki] 
520 3 |a The analysis of two sets of Acacia mearnsii De Wild (Black Wattle) samples by near infrared (NIR) spectroscopy is reported. Set 1 samples were characterised in terms of hot water extractives, Stiasny value and polyflavanoid content. Set 2 samples were characterised by nine different parameters, including tannin content. NIR spectra were obtained from the milled bark of all samples and calibrations developed for each parameter. Calibrations developed for hot water extractives and polyflavanoid content (set 1) gave very good coefficients of determination (R2) and performed well in prediction. Set 2 calibrations were generally good with total and soluble solids, tannin content, Stiasny value-2 and UV-2, all having R2 greater than 0.8. Owing to the small number of set 2 samples, no predictions were made using the calibrations. The strong relationships obtained for many parameters in this study indicates that NIR spectroscopy has considerable potential for the rapid assessment of the quality of extractives in A. mearnsii bark. 
540 |a Copyright © 2003 by Walter de Gruyter GmbH & Co. KG 
690 7 |a Timber & wood processing  |2 nationallicence 
690 7 |a Biotechnology  |2 nationallicence 
690 7 |a Materials science  |2 nationallicence 
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700 1 |a Yazaki  |D Y.  |4 aut 
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