资源描述：
《富士苹果高二氧化碳处理后果肉褐变预测》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、富士苹果高二氧化碳处理后果肉褐变预测PostharvestBiologyandTechnologyl3(1998)97-107Predictionofcontrolledatmosphere-induced?eshbrowningin'Fuji'appleRichardK.VoIzl/^illiamV.BiasiaJoeA.Grantb^ElizabethJ.MitchamabDepartmentofPomology,Uni6ersityofCalifornia,Da6is,CA95616,USAUni6ersit
2、yofCalifornia,Cooperati6eExtension’SanJoaquinCounty,Stockton,CA,USAReceived25Augustl997;accepted2Decemberl997aAbstractRapidinductionofinternal?eshbrowningbyexposureoffruittohighCO2,fruitmaturityindices,respirationratesandC02permeanceswereassessedaspredictorsof
3、?eshbrowningwhichdevelopedinapple(Malusdomestica,Borkh.cv.Fuji)duringlong-termcontrolledatmospherestorage.Fruitwereharvestedfromeightorchardsatl70,190or210daysafterfullbloomandheldat20°Cin50kPaC02(balanceaiijforl-3days,in20kPaCO2(balanceair)for3-7daysoratO°Cin
4、acontrolledatmosphereof2kPaO2+2kPaCO2forl50days.Fleshbrowningincreasedwithgreaterexposuretimein20kPaand50kPaCO2andafter3daysofexposur巳morebrowningdevelopedinfruitexposedto50than20kPaCO2・Fleshbrowninginallatmospheresincreasedwithharvestdatebutsigni?cantvariabil
5、itywaspresentamongorchardsatanyoneharvest.AcrossaIlorchardsandharvestdates’strongpositiverelationshipswerefoundbetween?eshbrowningaftercontrolledatmospherestorageandthatwhichdevelopedaftershort-termexposureto20kPaCO2atharvest.Thisrelationshipimprovedwithdecrea
6、singexposuretimeat20kPaCO2.Whilesubstantialdifferencesinfruitmaturityindices(backgroundcolour,starchpatternindex,watercoreincidence,solublesolidsconcentration^itratableacidity^eshPrmnessJ/ruitrespirationratesandfruitpermeancestoCO2determinedatharvestwerealsofo
7、undamongharvestdatesandorchards,theywereatbestpoorlyrelatedto?eshbrowning.Thebestpredictoroforchardandharvestdatedifferencesincontrolledatmosphere・induced?eshbrowningwasthereforeassessmentof?eshbrowningafterexposureoffruitto20kPaCO2for3days.?1998EIsevierScienc
8、eB.V.AIIrightsreserved・Keywords:Malusdomestica;Controlledatmosphere;Fruitpermeance;Respirationrate;Fruitmaturity*Correspondingauthor.HorticultureandFoodResearchInstituteofNewZealan
