INCIDENCE OF AFLATOXIN CONTAMINATION IN SELECTED SPICE SAMPLES IN ANDHRA PRADESH

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Date
1999
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Professor Jayashankar Telangana State Agricultural University
Abstract
Aflatoxin B] is a potential carcinogen, teratogen, mutagen and immunosuppressiveagentproducedasasecondarymetabolitebythestorage fungi Aspergillus flaws and Aspergillusparasiticus. Various agricultural commoditieswerefoundtobecontaminatedwithaflatoxins likerice,wheat, maize,peanuts,coconut,milk,spicesetc. The present surveywas designed to estimatethe extent ofaflatoxincontaminationinselectedspicesinAndhraPradesh. Atotalof188samplesof five kinds ofspices namely red chillies (n= 59), black pepper (n=28), coriander(n=50),turmeric(n=26)anddryginger(n=25)werecollected fromdifferentmarketyards,wholesaleandretailshops. Amountofaflatoxinin thesecollectedspicesampleswasestimatedusingIndirectCompetitiveELISA methodofaflatoxinanalysis. Cookingexperimentwasalsodonewithredchilli saucepreparedfromnaturallycontaminatedredchilliestoknowtheeffectof cookingonthestabilityofaflatoxins. Theresultsoftheaflatoxinanalysisofspicesshowedthatredchillieswasthemostoftencontaminatedcommodity,havinghigh aflatoxinlevelsupto 400 ug/kg. Incidenceofaflatoxins inblackpepperwasalso highbutthe maximumlevelsremainedbelow100ug/kg. Intheremainingthreetypesof spices i.e., coriander, turmeric and dry ginger, all the Spices recorded an aflatoxinlevelofbelowlOpg/kg.AmongalltheSpicescorianderwasfoundto contain lowestlevelsofcontamination andthemaximum levelofaflatoxin recordedwasonly3.2ug/kg. Theresultsofthecookingexperimentshowedthataflatoxinwasstabletoheatasthea flatoxinlevelsinchillisauceremainedunchangedevenaftersubjectingtomicrowavecookingathightemperature. ThusmiCIOWaveheating wasprovedtobeineffectiveindestroyingtheaflatoxinsinredchillies. Fromtheresultsofthepresentstudyitcanbeconcludedthatbesidesothermajorcommodities,spicesarealsocontaminatedwitha flatoxinsbeyondpermissiblelimits. AlthoughtheconsumptionoftheseSpicesislimitedwhen comparedtoessentialcommoditieslikecerealsandoilseeds,theirlong-term adverseeffectsonthehealthofpeoplecannotberuledout. Hence,thereisa needforregularandfrequentcheckingofthesecommoditiesalso.
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D5930
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http://krishikosh.egranth.ac.in/handle/1/5810049469
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