Studies on the characteristic difference of quality betweennew and stored grains in Japonica rice

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摘要 Abstract:Changesinthemillingquality,chemicalcharacteristics,eatingqualityanddynamicviscoelasticitiesofsevencultivarsofjapoinicariceafterabouteightmonthsstorageatroomtemperaturewerestudied.Comparisonsbetweennewandstoredricesshowedthatnoobviouschangesinmillingquality,amyloseandproteincontentwerefound.Thoughtherewasvarietaldifference,thepalatabilityofallcultivarsdeterioratedwithstorage.TheoveralleatingqualityofKoshihikariandEtsunan162storedricewerealmostthesameasthatofnewriceofNihonbareandXiushui11.Thedeteriorationinpalatabilitywasduetothedeteriorationoftheappearance,tasteandstickinessofcookedrice.Newricegrainfromcultivarswithagoodeatingqualityshowedarelativelyhighpalatabilityascomparewithstoredrice.Themoduliofcookedricegrainsofstoredricewereincreasedandvaluesoflosstangentofcookedricewaslowerthanthoseofnewrice,suchcasesinpoorpalatabilitycultivarsweremuchmoreobvious.Theeatingqualityofstoredricewasgenerallypoorforthecultivarswithahighfreefattyacidcontent.Inaddition,thebreakdownandmaximumviscosityvaluesinamylographiccharacteristicswereslightlyincreased.
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机构地区 不详
出版日期 2001年01月08日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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