偏高水分粮储藏对后续干燥和碾米品质影响

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1、InfluenceofStoringRoughRicewithHighMoistureContentonSubsequentDryingCharacteristicsandMillingQualityJulitaM.Manski,1AmyL.Matsler,2andTerryJ.Siebenmorgen3,4ABSTRACTCerealChem.82(2):204–208Theobjectiveofthisresearchwastodeterminetheinfluenceondryingairconditionsasa

2、tharvest.Headriceyields(HRY)weredeterminedforcharacteristicsandresultantmillingqualityofstoringhighmoisturealldriedsamples.Therewerenosignificantdifferencesbetweenthedry-content(MC)roughrice(OryzasativaL.‘Bengal’and‘Cypress’)underingratesorresultantHRYofBengalorC

3、ypressricesamplesstoredforvariousconditionsanddurationsbeforedrying.Immediatelyafterhar-either27or76daysatbothstoragetemperaturesandthendriedvest,dryingexperimentswereperformedwithsamplesofbothcultivarscomparedwiththeHRYofsamplesdriedimmediatelyafterharvest.Thisu

4、singtwodryingairconditions:52°Cwith25%rhand60°Cwith17%researchshowsthatitmaybepossibletostorehighMCriceforextendedrh.Roughricefromeachcultivaralsowasstoredfor27and76daysat–9periodsoftimewithoutdetrimentaleffectsonHRY.or4°C.Afterstorage,allsamplesweredriedunderthe

5、sametwodryingImmediatelyafterharvest,on-farmandcommercialricedriersthisstudywastoinvestigatetheeffectsofstoringroughriceathighaswellasresearchlaboratoriesconductingricedryingresearchMCandlowtemperatureonricedryingcharacteristicsandfaceabusydryingseason.Allwouldbe

6、nefitifthepossibilitymillingquality.existedtodelaydryingbystoringroughriceathighmoisturecontent(MC)foraperiodoftimebeforedrying.HighMCMATERIALSANDMETHODSstorageofroughriceunderspecifiedconditionscouldextendtheHarvestdryingseason,providedthedryingcharacteristicsan

7、dresultantTworicecultivars,Bengal(mediumgrain)andCypress(longmillingqualityoftherice,specificallyheadriceyield(HRY),grain)wereharvestedattheRiceResearchandExtensionCenteratremainunchangedduringstorage.Stuttgart,AR,inAugust2001.ThesetworicecultivarswereHRYisthewei

8、ghtpercentageofroughricethatremainsasselectedbecausetheyarebothcommonlygrowninthemid-Southheadrice(kernelsthatarethree-quartersofthelengthoftheorigi-rice-growi