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NIRS estimation of drought stress on chemical quality constituents of taro (Colocasia esculenta L.) and sweet potato (Ipomoea batatas L.) flours

2020Journal article Open access
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dc.contributor.authorGouveia, Carla S. S.
dc.contributor.authorLebot, Vincent
dc.contributor.authorCarvalho, Miguel Pinheiro de
dc.date.accessioned2021-09-27T13:38:13Z
dc.date.available2021-09-27T13:38:13Z
dc.date.issued2020
dc.description.abstractTaro (Colocasia esculenta (L.) Schott) and sweet potato (Ipomoea batatas (L.) Lam.) are important food crops worldwide, whose productivity is threatened by climatic constraints, namely drought. Data calibration, validation, and model development of high-precision near-infrared spectroscopy (NIRS) involving multivariate analyses are needed for the fast prediction of the quality of tubers and shoots impacted by drought stress. The main objective of this study was to generate accurate NIRS models for quality assessment of taro and sweet potato accessions (acc.) subjected to water scarcity conditions. Seven taro and eight sweet potato acc. from diverse geographical origins were evaluated for nitrogen (N), protein (Pt), starch (St), total mineral (M), calcium oxalate (CaOx), carbon isotope discrimination (∆ 13C), and nitrogen isotopic composition (δ 15N). Models were developed separately for both crops underground and aboveground organs. N, Pt, St, and M models could be used as quality control constituents, with a determination coefficient of prediction (r2 pred) between 0.856 and 0.995. δ 13C, δ 15N, and CaOx, with r2 pred between 0.178 and 0.788, could be used as an informative germplasm screening tool. The approach used in the present study demonstrates NIRS’s potential for further research on crop quality under drought.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationGouveia, C. S., Lebot, V., & Carvalho, M. P. (2020). NIRS estimation of drought stress on chemical quality constituents of taro (Colocasia esculenta L.) and sweet potato (Ipomoea batatas L.) flours. Applied Sciences, 10(23), 8724. https://doi.org/10.3390/app10238724pt_PT
dc.identifier.doi10.3390/app10238724pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/3666
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationCentre for the Research and Technology of Agro-Environmental and Biological Sciences
dc.relationCentre for the Research and Technology of Agro-Environmental and Biological Sciences
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectCalcium oxalatept_PT
dc.subjectCarbon and nitrogen isotopic compositionspt_PT
dc.subjectNear-infrared spectroscopypt_PT
dc.subjectNitrogen proteinpt_PT
dc.subjectStarchpt_PT
dc.subjectSweet potatopt_PT
dc.subjectTaropt_PT
dc.subjectTotal mineralspt_PT
dc.subjectWater scarcitypt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências da Vidapt_PT
dc.titleNIRS estimation of drought stress on chemical quality constituents of taro (Colocasia esculenta L.) and sweet potato (Ipomoea batatas L.) flourspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for the Research and Technology of Agro-Environmental and Biological Sciences
oaire.awardTitleCentre for the Research and Technology of Agro-Environmental and Biological Sciences
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04033%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04033%2F2020/PT
oaire.citation.issue23pt_PT
oaire.citation.startPage8724pt_PT
oaire.citation.titleApplied Sciencespt_PT
oaire.citation.volume10pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameGouveia
person.familyNameLebot
person.familyNameAlmeida Pinheiro de Carvalho
person.givenNameCarla
person.givenNameVincent
person.givenNameMiguel Angelo
person.identifier1218558
person.identifier.ciencia-idAE1B-9773-68A8
person.identifier.ciencia-id4610-6741-6816
person.identifier.orcid0000-0001-9309-4613
person.identifier.orcid0000-0001-5699-0566
person.identifier.orcid0000-0002-5084-870X
person.identifier.ridAAH-9928-2020
person.identifier.ridAEE-0913-2022
person.identifier.scopus-author-id55554091900
person.identifier.scopus-author-id8758577600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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