欢迎来到天天文库
浏览记录
ID:55971298
大小:739.62 KB
页数:9页
时间:2020-06-03
《超高压处理对草鱼片的影响.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第27卷第4期高压物理学报VoI.27,No.42013年8月CHINESEJOURNAL0FHIGHPRESSUREPHYSICSAug.,2013ArticleID:1000—5773(2013)040616-09EffectofHighPressureProcessingontheQualityofChilledStoredGrassCarp(Ctenopharyngodonidella)FilletYAKHINLisaAmanda,ZHANGLi—Li,WANGYuan-Liang,LIZong—Jun(1.CollegeofF
2、oodScienceandTechnology,HunanAgriculturalUniversity,Changsha410128,China;2.HunanProvinceKeyLaboratoryofFoodScienceandBi0Pc0Z0g,Changsha410128,China)Abstract:Thisstudyisaimedtoobservetheeffectofdifferentpressure(300,400,500MPa)anddifferentpressureholdingtime(5,10,15rain)o
3、nvacuumpackedgrasscarpfillet.Thefilletswerestoredatchillingtern—perature(4℃)for15d,andtheobservationswerecarriedoutevery3d.Theelectronmicrographsshowedthatthereweremodificationsonlongitudinalsections(sarcomeredisorganization)ofmusclefibertreatedbyhighpressurefor5min.TheK
4、—valuesoffishfilletstreatedby400and500MPawerebelow70,andtheywerestillconsideredfreshatleastuntil6and12d,respectively.Therefore,theapplicationofhighpressureprocessingwasabletoimprovetheshelflifeofgrasscarpfillets.However,theapplicationofhighpressuretreatmentre—ducedthewat
5、erholdingcapacityandincreasedthehardnessoffishmeat.Inaddition,thevaluesofL,口andbwereallincreasedwiththeincreaseofstoragetime。andbothLandbwereincreasedwithpressure,whileawasreducedwithpressure.Keywords:highpressure;uhrastructure;Kvalue;color;waterholdingcapacity;textureCL
6、Cnumber:O521.9;$983Documentcode:A1IntroductionInhumannutrition,fishandfishproductsplayanimportantroleasasourceofbiologicallyvalua—bleproteins,fatsandfat—solublevitamins.Grasscarp(C咒0口rg00idella),afreshwaterfishfromCyprinidaefamily,isatypeoffishcommonlycultivatedinChinafo
7、rfood.FreshfishhasK—valuelessthan50,highwaterholdingcapacity(WHC)andwhitecolor.Com—paredtothefreshfish,themusclefibersofthefishafterstoragearenotfirmlybundledanymore,thusithaslowWHC.StalefishalsohashighK—value,grayish,yellowish,andreddishmeataslowquality.Thetwomaincauses
8、offishspoilageareactionofendogenousenzymesautolysisandbacterialspoilage].Nowadays,preservationtechnique
此文档下载收益归作者所有