Show simple item record

Aflatoxin contamination of non-cultivated fruits in Zambia

dc.contributor.authorKachapulula, P.W.
dc.contributor.authorBandyopadhyay, R.
dc.contributor.authorCotty, P.J.
dc.date.accessioned2019-12-04T11:36:49Z
dc.date.available2019-12-04T11:36:49Z
dc.date.issued2019
dc.identifier.citationKachapulula, P.W., Bandyopadhyay, R. & Cotty, P.J. (2019). Aflatoxin contamination of non-cultivated fruits in Zambia. Frontiers in Microbiology, 10, 1-9.
dc.identifier.issn1664-302X
dc.identifier.urihttps://hdl.handle.net/20.500.12478/6359
dc.descriptionOpen Access Journal; Published online: 09 Aug 2019
dc.description.abstractWild fruits are an important food and income source for many households in Zambia. Non-cultivated plants may be as susceptible as crops to aflatoxin contamination. Concentrations of aflatoxins in commonly consumed wild fruits from markets and characteristics of associated aflatoxin-producers need to be determined to assess the aflatoxin risk posed by handling, processing, storage, and consumption. Samples of Schinziophyton rautanenii (n = 22), Vangueriopsis lanciflora (n = 7), Thespesia garckeana (n = 17), Parinari curatellifolia (n = 17), Ziziphus spp. (n = 10), Adansonia digitata (n = 9), and Tamarindus indica (n = 23) were assayed for aflatoxin using lateral-flow immunochromatography from 2016 to 2017. Aflatoxins were above Zambia’s regulatory limit (10 μg/kg) in S. rautanenii (average = 57 μg/kg), V. lanciflora (average = 12 μg/kg), and T. garckeana (average = 11 μg/kg). The L strain morphotype of Aspergillus flavus was the most frequent member of Aspergillus section Flavi in market samples, although Aspergillus parasiticus and fungi with S morphology were also found. All fruits except T. indica supported both growth (mean = 3.1 × 108 CFU/g) and aflatoxin production (mean = 35,375 μg/kg) by aflatoxigenic Aspergillus section Flavi. Innate resistance to aflatoxin producers was displayed by T. indica. For the other fruits, environment and infecting fungi appeared to have the greatest potential to influence aflatoxin concentrations in markets. This is the first report of aflatoxins and aflatoxin-producers on native fruits in Zambia and suggests mitigation is required.
dc.description.sponsorshipUnited States Agency for International Development
dc.description.sponsorshipBorlaug Leadership Enhancement in Agriculture Program
dc.description.sponsorshipUnited States Department of Agriculture
dc.description.sponsorshipBill & Melinda Gates Foundation
dc.format.extent1-9
dc.language.isoen
dc.rightsCC-BY-4.0
dc.subjectAflatoxins
dc.subjectAspergillus Flavus
dc.subjectFruits
dc.subjectFood Safety
dc.subjectZambia
dc.titleAflatoxin contamination of non-cultivated fruits in Zambia
dc.typeJournal Article
dc.description.versionPeer Review
cg.contributor.crpAgriculture for Nutrition and Health
cg.contributor.crpMaize
cg.contributor.affiliationUniversity of Arizona
cg.contributor.affiliationUniversity of Zambia
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.coverage.regionAfrica
cg.coverage.regionSouthern Africa
cg.coverage.countryZambia
cg.creator.identifierRanajit Bandyopadhyay: 0000-0003-2422-4298
cg.researchthemePLANT PRODUCTION & HEALTH
cg.isijournalISI Journal
cg.authorship.typesCGIAR and developing country institute
cg.iitasubjectAflatoxin
cg.iitasubjectFood Security
cg.iitasubjectMaize
cg.iitasubjectPost-Harvesting Technology
cg.journalFrontiers in Microbiology
cg.howpublishedFormally Published
cg.accessibilitystatusOpen Access
local.dspaceid107959
cg.targetaudienceScientists
cg.identifier.doihttps://dx.doi.org/10.3389/fmicb.2019.01840


Files in this item

Thumbnail
Name:
Aflatoxin Contamination of ...
Size:
1.739Mb
Format:
PDF
View/Open

This item appears in the following Collection(s)

Show simple item record