Title : ( Vis/NIR spectroscopy and chemometrics for the prediction of soluble solids content and acidity (pH) of kiwifruit )
Authors: Ali Moghimi , Mohammad Hossein Aghkhani , A. Sazgarnia , Majid Sarmad ,
Full TextAbstract
Visible andnearinfraredspectroscopic(Vis/NIRS)techniqueshaveshownpromiseasrapid and non-destructivetoolstoevaluatethevariousinternalqualityattributesoffruitsand vegetables. Theobjectiveofthisstudywastodevelopacalibrationmodelforpredictionof soluble solidscontentandacidity(pH)ofkiwifruitbyusingvisibleandnearinfrared spectroscopyandchemometrics.Thetransmissionspectraofkiwifruitwereobtainedin the wavelengthrangefrom400to1000nm.Theeffectsofdifferentpre-processingmethods and spectratreatments,suchasstandardnormalvariatetransformation(SNV),multipli- cative scattercorrection(MSC),andmedianfilterandfirstderivative(D1) wereanalysed. The predictionmodelsweredevelopedbyprincipalcomponentanalysis(PCA)andpartial least squareregression(PLS).ThecorrelationcoefficientforsolublesolidscontentandpH were 0.93,0.943androotmeansquareerrorofprediction(RMSEP)was0.259Brix and0.076, respectively.TheseresultswereachievedwhenSNVwasutilisedinconjunctionwith median filterandfirstderivative.ThisshowedthecapabilityofVis/NIRSandtheimportant role ofchemometricsindevelopingaccuratemodelsforthepredictionofkiwifruitinternal quality characteristics.
Keywords
Vis/NIRS
@article{paperid:1016283,
author = {Moghimi, Ali and Aghkhani, Mohammad Hossein and A. Sazgarnia and Sarmad, Majid},
title = {Vis/NIR spectroscopy and chemometrics for the prediction of soluble solids content and acidity (pH) of kiwifruit},
journal = {Biosystems Engineering},
year = {2010},
volume = {106},
number = {3},
month = {April},
issn = {1537-5110},
pages = {295--302},
numpages = {7},
keywords = {Vis/NIRS},
}
%0 Journal Article
%T Vis/NIR spectroscopy and chemometrics for the prediction of soluble solids content and acidity (pH) of kiwifruit
%A Moghimi, Ali
%A Aghkhani, Mohammad Hossein
%A A. Sazgarnia
%A Sarmad, Majid
%J Biosystems Engineering
%@ 1537-5110
%D 2010
