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    Bulk optical of potato flesh in the 500 – 1900 nm range

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    Lopez_BulkOptical.pdf (614.8Kb)
    Date
    2015
    Author
    López Maestresalas, Ainara Upna
    Aernouts, Ben 
    Beers, Robbe van 
    Arazuri Garín, Silvia Upna
    Jarén Ceballos, Carmen Upna
    Baerdemaeker, Josse de 
    Saeys, Wouter 
    Version
    Acceso abierto / Sarbide irekia
    xmlui.dri2xhtml.METS-1.0.item-type
    Artículo / Artikulua
    Version
    Versión aceptada / Onetsi den bertsioa
    Project Identifier
    ES/6PN/RTA2011-00018 
    Impact
     
     
     
    10.1007/s11947-015-1639-0
     
     
     
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    Abstract
    In this study, the optical properties of potato flesh tissue were estimated using double-integrating sphere (DIS) measurements combined with an inverse adding-doubling (IAD) light propagation model. Total reflectance, total transmittance, and unscattered transmittance were measured for the wavelength range 500– 1900 nm with 5-nm resolution. From these measurements, the bulk optical propertie ... [++]
    In this study, the optical properties of potato flesh tissue were estimated using double-integrating sphere (DIS) measurements combined with an inverse adding-doubling (IAD) light propagation model. Total reflectance, total transmittance, and unscattered transmittance were measured for the wavelength range 500– 1900 nm with 5-nm resolution. From these measurements, the bulk optical properties (absorption coefficient, scattering coefficient, and anisotropy factor) of 53 potato tubers of the Hermes cultivar were estimated. The estimated absorption coefficient spectra were dominated by water and starch absorption bands, the main chemical components of potato tissue. Comparison of these values to those reported in literature for similar products showed comparable absorption profiles. The obtained scattering coefficient spectra showed a smooth decrease from 166 to 160 cm−1 in the near-infrared (NIR) spectral range with increasing wavelength, which is common for biological tissues. The anisotropy factor spectra obtained for the full wavelength range studied ranged between 0.949 and 0.959 with a maximum variability of 0.009 among the set of samples used. The information obtained in this study is essential to understand the effects of absorption and scattering on the propagation of light through the potato tubers in order to design more efficient sensors for non-destructive quality evaluation. [--]
    Subject
    Optical properties, Double-integrating spheres, Scattering, Absorption, Inverse adding-doubling, Potatoes
     
    Publisher
    Springer US
    Published in
    Food and Bioprocess Technology (2016) 9:463–470
    Description
    This is a post-peer-review, pre-copyedit version of an article published in Food and Bioprocess Technology. The final authenticated version is available online at: https://doi.org/10.1007/s11947-015-1639-0
    Departament
    Universidad Pública de Navarra. Departamento de Proyectos e Ingeniería Rural / Nafarroako Unibertsitate Publikoa. Landa Ingeniaritza eta Proiektuak Saila
     
    Publisher version
    https://doi.org/10.1007/s11947-015-1639-0
    URI
    https://hdl.handle.net/2454/31828
    Sponsorship
    The funding of this work has been covered by the Universidad Pública de Navarra through the concession of both a predoctoral research grant and a mobility grant, by the National Institute for Agricultural and Food Research and Technology (INIA) project: BGenetic improvement of Potato. Characterization of the material by NIRS technology^ RTA 2011-00018-C03-03, and by the Agency for Innovation by Science and Technology in Flanders (IWT) through the Chameleon (SB-100021) project.
    Appears in Collections
    • Artículos de revista - Aldizkari artikuluak [2947]
    • Artículos de revista DPIR - LIPS Aldizkari artikuluak [61]
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