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https://hdl.handle.net/2440/78286
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Type: | Journal article |
Title: | Monitoring water uptake in whole barley (Hordeum vulgare L.) grain during steeping using near infrared reflectance spectroscopy |
Author: | Cozzolino, D. Roumeliotis, S. Eglinton, J. |
Citation: | Journal of Food Engineering, 2013; 114(4):545-549 |
Publisher: | Elsevier Sci Ltd |
Issue Date: | 2013 |
ISSN: | 0260-8774 1873-5770 |
Statement of Responsibility: | D. Cozzolino, S. Roumeliotis, J. Eglinton |
Abstract: | The aim of this study was to evaluate the use of near infrared reflectance (NIR) spectroscopy to monitor water uptake and steeping time in whole barley samples as a rapid and easy to use technique. Whole barley grain samples were steeped in water, and subsamples were analyzed for water uptake (gravimetric method) and using NIR spectroscopy. The spectra and the analytical data were used to develop partial least squares (PLS) calibrations to predict water uptake and steeping time. Cross validation models for water uptake and steeping time gave a coefficient of determination in cross validation (R2) and the standard error of prediction (SEP) of 0.90 (SEP = 5.36 g/100 g fw) and 0.92 (SEP = 3.93 h), respectively. This study showed that NIR spectroscopy combined with PLS regression showed promise as a rapid, non-destructive method to monitor and measure water uptake and steeping time in whole barley during soaking. © 2012 Elsevier Ltd. All rights reserved. |
Keywords: | Near infrared Steeping time Water uptake Whole grain |
Rights: | © 2012 Elsevier Ltd. All rights reserved. |
DOI: | 10.1016/j.jfoodeng.2012.09.010 |
Published version: | http://dx.doi.org/10.1016/j.jfoodeng.2012.09.010 |
Appears in Collections: | Agriculture, Food and Wine publications Aurora harvest 4 |
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