学科分类
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4 个结果
  • 简介:Alaskapollockisanimportantproteinsourcewhichisextensivelyusedinthefoodindustry.Pollockproteinisolates(PPI)withsignificantlyenrichedproteincontentscouldbepreparedusingisoelectricsolubilization/precipitation(ISP)processing;however,thefunctionalpropertiesofthisprocessislimitedbythelargeamountofwater-insolubleproteins.Inthisstudy,weinvestigatedtheinfluenceofhighhydrostaticpressure(HHP)treatmentonthesolubilityandstructuralchangesofPPI.PPIobtainedusingISPistreatedwithhydrostaticpressuresof200,300,400,and500MPaforupto15min,andtheHHP-treatedsampleswereobservedtoexhibitsignificantlyimprovedsolubilities.FurtherbiochemicalassaysrevealthatthecontinuousHHPtreatmentsreducethecontentsoffreesulfhydrylgroupsandpromotetheformationofmacromoleculeswithbetterwatersolubilities,whichmayinducethesolubilityimprovementsoftheHHP-treatedPPI.OurresultsindicatethatHHPcanbeutilizedtoeffectivelypreparehighlywater-solubleAlaskapollockproteininfoodprocessing.

  • 标签: Alaska POLLOCK PROTEIN isolate(PPI) SOLUBILITY high