NDLI: The Optical Absorption Coefficient of Maize Seeds Investigated by Photoacoustic Spectroscopy

Content Provider	Springer Nature Link
Author	Hernandez Aguilar, Claudia Cruz Orea, Alfredo Ivav, Rumen Dominguez, Arturo Carballo, Aquiles More, Ivan Rico, Ricardo
Copyright Year	2011
Abstract	The knowledge about a seed’s optical parameters is of great relevance in the seed technology practice. Such parameters provide information about its absorption and reflectance, which in turn is related to its color, quality, and health condition. The objective of the present study was to determine the optical absorption coefficient β for maize seeds (Zea mays L.) by means of the photoacoustic spectroscopy (PAS). Untreated seeds (I) and seeds dyed with methyl red (II) were used in this investigation. In addition, conventional reflectance measurements (obtained with the integrating sphere) were performed to validate PAS absorption measurements. The results show that the absorption spectra and reflection data of the seed samples are complementary. When used with thermally thick and optically opaque seeds, PAS may be considered as a potential diagnostic tool for the characterization of the seeds.
Starting Page	481
Ending Page	486
Page Count	6
File Format	PDF
ISSN	15571858
Journal	Food Biophysics
Volume Number	6
Issue Number	4
e-ISSN	15571866
Language	English
Publisher	Springer US
Publisher Date	2011-05-25
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Zea mays L. Photoacoustic spectroscopy Optical absorption coefficient Reflectance Biophysics and Biological Physics Analytical Chemistry Food Science
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Biophysics Bioengineering Food Science Applied Microbiology and Biotechnology

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