Determination of oil content in whole corn (Zea mays L.) seeds by means of near infrared reflectance spectroscopy

Fassio, A, Restaino, E and Cozzolino, D 2015, 'Determination of oil content in whole corn (Zea mays L.) seeds by means of near infrared reflectance spectroscopy', Computers and Electronics in Agriculture, vol. 110, pp. 171-175.


Document type: Journal Article
Collection: Journal Articles

Title Determination of oil content in whole corn (Zea mays L.) seeds by means of near infrared reflectance spectroscopy
Author(s) Fassio, A
Restaino, E
Cozzolino, D
Year 2015
Journal name Computers and Electronics in Agriculture
Volume number 110
Start page 171
End page 175
Total pages 5
Publisher Elsevier BV
Abstract The objective of this study was to evaluate the ability of near infrared reflectance (NIR) spectroscopy to determine oil content in whole corn (Zea mays L.) samples sourced from a breeding program. Kernel samples were analysed in reflectance in the VIS and NIR regions (400-2500nm) at 2nm intervals using a scanning monochromator. Samples were scanned in a circular cell cup and reflectance data were stored as logarithm of the reciprocal reflectance (log1/R). Samples were not rotated when spectra collection was made. The coefficients of determination (R2) and the standard error of cross validation (SECV) obtained for the prediction of oil content in the calibration set were 0.90% and 0.17%, respectively. The residual predictive deviation (RPD=SD/SECV) value obtained was 2.3, indicating that these calibrations can be used for qualitative determination of oil content (e.g. low, medium and high) or preliminary screening in whole corn.
Subject Food Sciences not elsewhere classified
Keyword(s) Corn
Near infrared
Oil
Partial least squares
Reflectance
DOI - identifier 10.1016/j.compag.2014.11.015
Copyright notice © 2014 Elsevier B.V.
ISSN 0168-1699
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