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Evaluation of corn drying and storage techniques to mitigate damage and total aflatoxin contamination in Mozambique

2025Artigo científico Acesso aberto
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datacite.subject.fosCiências Naturais::Ciências Biológicas
datacite.subject.sdg15:Proteger a Vida Terrestre
dc.contributor.authorMatusse, Cláudio
dc.contributor.authorBila, João
dc.contributor.authorMacuamule, Custódia
dc.contributor.authorSampaio, Ana
dc.contributor.authorVenâncio, Armando
dc.contributor.authorRodrigues, Paula
dc.date.accessioned2025-11-07T14:34:24Z
dc.date.available2025-11-07T14:34:24Z
dc.date.issued2025
dc.description.abstractContamination of corn by molds and aflatoxins is a major problem in Mozambique, and appropriate drying and storage of this essential food crop is crucial. This study aimed to evaluate the effects of different drying and storage techniques traditionally employed by smallholder farmers in the province of Gaza, Mozambique, in preventing degradation and aflatoxin contamination of corn. Two trials, one for drying and one for storage, were carried out in 2024 and 2025, based on the information resulting from interviews applied to 90 farmers. For corncob drying, three methods were tested: ground, straw mat and tarpaulin. For grain storage, hermetic (metallic drums and PICS bags) and non-hermetic (raffia bags and traditional barns) methods were tested for 12 months of storage. Grain moisture, damage and total aflatoxins were evaluated. All drying methods resulted in a sharp corn moisture reduction, but tarpaulin drying showed the lowest grain damage. No significant differences were observed in aflatoxin content between drying methods. For storage, corn grains (initial 12 % moisture content) stored in metallic drums and hermetic bags were intact after 12 months, while storage in traditional barns and raffia bags resulted in highly (60-80 %) and completely (100 %) damaged grain after 3 and 6 months, respectively. Corn stored in raffia bags showed the highest aflatoxin contamination levels. This study confirmed tarpaulin and hermetic technologies as the most effective methods of corn drying and storage. However, information, demonstration and training are still required for farmers to implement these technologies, which are more expensive than the less effective ones.eng
dc.description.sponsorshipThis work was supported by the Foundation for Science and Technology (FCT, Portugal) and the Aga Khan Development Network [project Ref. FCT AGA-KHAN/541590696/2019 “MYCOTOX-PALOP – Multi-actor partnership for the risk assessment of mycotoxins along the food chain in African Portuguese-speaking countries (PALOP)”]. The authors thank FCT for financial support through national funds FCT/MCTES (PIDDAC) to CIMO (UIDB/00690/2020 and UIDP/00690/2020), SusTEC (LA/P/0007/2020), CITAB (UID/AGR/04033/2020), CEB (UIDB/04469/2020), LABBELS (LA/P/0029/2020) and Inov4Agro (LA/P/0126/2020). Cláudio Matusse thanks FCT for the PhD grant PRT/BD/15483/2022.
dc.identifier.citationMatusse, Cláudio; Bila, João; Macuamule, Custódia; Sampaio, Ana; Venâncio, Armando; Rodrigues, Paula (2025). Evaluation of corn drying and storage techniques to mitigate damage and total aflatoxin contamination in Mozambique. Journal of Stored Products Research. ISSN 0022-474X. 114, p. 1-11
dc.identifier.doi10.1016/j.jspr.2025.102794
dc.identifier.issn0022-474X
dc.identifier.urihttp://hdl.handle.net/10198/34994
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationMountain Research Center
dc.relationAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
dc.relationCentre of Biological Engineering of the University of Minho
dc.relationAssociate Laboratory on Biotechnology, Bioengineering and microELectromechanical Systems
dc.relationInstitute for innovation, capacity building and sustainability of agri-food production
dc.relation.ispartofJournal of Stored Products Research
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectCorn
dc.subjectGrain drying
dc.subjectSafe storage
dc.subjectPost-harvest
dc.subjectAgraStrip
dc.titleEvaluation of corn drying and storage techniques to mitigate damage and total aflatoxin contamination in Mozambiqueeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardTitleAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
oaire.awardTitleCentre of Biological Engineering of the University of Minho
oaire.awardTitleAssociate Laboratory on Biotechnology, Bioengineering and microELectromechanical Systems
oaire.awardTitleInstitute for innovation, capacity building and sustainability of agri-food production
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0007%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04469%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0029%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0126%2F2020/PT
oaire.citation.endPage11
oaire.citation.startPage1
oaire.citation.titleJournal of Stored Products Research
oaire.citation.volume114
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameMatusse
person.familyNameRodrigues
person.givenNameCláudio
person.givenNamePaula
person.identifier.ciencia-id2B12-6923-97DE
person.identifier.ciencia-id2312-18AE-DA42
person.identifier.orcid0000-0003-2085-5957
person.identifier.orcid0000-0002-3789-2730
person.identifier.scopus-author-id7102639646
project.funder.identifierhttp://doi.org/10.13039/501100001871
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