Use of magnetic fields reduces α‐chaconine, α‐solanine, and total glycoalkaloids in stored potatoes (Solanum tuberosum L.)

cg.authorship.typesCGIAR and developing country institute
cg.authorship.typesCGIAR and advanced research institute
cg.contributor.affiliationEgerton University
cg.contributor.affiliationInternational Centre of Insect Physiology and Ecology
cg.contributor.affiliationInternational Potato Center
cg.contributor.donorWorld Bank
cg.creator.identifierFrancis Irungu: 0000-0002-1980-2519
cg.creator.identifierChrysantus M. Tanga: 0000-0002-5788-7920
cg.creator.identifierFrancis Gichuki: 0000-0002-7132-4091
cg.creator.identifierLucy Mwaura: 0000-0001-8660-7441
cg.creator.identifierMukani Moyo: 0000-0001-5658-2669
cg.creator.identifierSymon Mahungu: 0000-0003-2796-3301
cg.howPublishedFormally Published
cg.identifier.doihttps://doi.org/10.1111/jfpp.16941
cg.isijournalISI Journal
cg.issn1745-4549
cg.issue11
cg.journalJournal of Food Processing and Preservation
cg.reviewStatusPeer Review
cg.subject.cipANDEAN ROOTS AND TUBERS
cg.subject.cipFOOD SYSTEMS
cg.subject.cipPOTATO AGRI-FOOD SYSTEMS
cg.subject.cipPOTATOES
cg.volume46
dc.contributor.authorIrungu, F.G.
dc.contributor.authorTanga, C.M.
dc.contributor.authorNdiritu, F.G.
dc.contributor.authorMwaura, L.
dc.contributor.authorMoyo, M.
dc.contributor.authorMahungu, S.M.
dc.date.accessioned2022-08-10T02:53:25Zen
dc.date.available2022-08-10T02:53:25Zen
dc.identifier.urihttps://hdl.handle.net/10568/120495
dc.titleUse of magnetic fields reduces α‐chaconine, α‐solanine, and total glycoalkaloids in stored potatoes (Solanum tuberosum L.)en
dcterms.abstractThis work aimed to assess the suitability of magnetic fields (MF) to reduce glycoalkaloids (GAs) in stored potatoes. The effects of the source of magnetic fields (direct current [DC] and alternating current [AC]), magnetic field intensity (1, 2, and 3 mT), and storage type (dark store-herein referred to as the control store and a commercial store with varying light intensity) on quantities of GAs were investigated. Subjecting tubers to increasing levels of MF intensities and placing them in the control store led to a significant (p < .05) decrease in alpha-chaconine and an increase in alpha-solanine. However, storage of potatoes in the commercial store after exposure to increasing MF intensities led to a significant (p < .05) decrease in alpha-solanine and an increase in alpha-chaconine. The use of AC MF with an intensity of 2 mT resulted in a significant (p < .05) reduction in alpha-chaconine, alpha-solanine, and TG. Novelty impact statement Magnetic fields are an emerging non-thermal technology that has wide potential in food processing applications. The findings in the current work revealed that magnetic fields can be used to reduce quantities of toxic glycoalkaloids in potatoes during storage, and thus improve their postharvest quality. The results offer practical insights on postharvest management of potatoes to ensure reduction of losses and thus positively impact food and nutritional security.en
dcterms.accessRightsLimited Access
dcterms.audienceAcademics
dcterms.audienceCGIAR
dcterms.audienceDevelopment Practitioners
dcterms.audienceDonors
dcterms.audienceExtension
dcterms.audienceFarmers
dcterms.audienceGeneral Public
dcterms.audienceNGOs
dcterms.audiencePolicy Makers
dcterms.audienceScientists
dcterms.available2022-08
dcterms.bibliographicCitationIrungu, F.G.; Tanga, C.M.; Ndiritu, F.G.; Mwaura, L.; Moyo, M.; Mahungu, S.M. 2022. Use of magnetic fields reduces α‐chaconine, α‐solanine, and total glycoalkaloids in stored potatoes (Solanum tuberosum L.). Journal of Food Processing and Preservation. ISSN 1745-4549.en
dcterms.issued2022-11
dcterms.languageen
dcterms.licenseCopyrighted; all rights reserved
dcterms.publisherHindawi Limited
dcterms.subjectglycoalkaloidsen
dcterms.subjectbiosynthesisen
dcterms.subjectlighten
dcterms.subjectaccumulationen
dcterms.subjectmetabolitesen
dcterms.subjectseedlingsen
dcterms.subjectenzymesen
dcterms.subjectsolanum tuberosumen
dcterms.typeJournal Article

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