不同規(guī)格克氏原螯蝦肌肉營(yíng)養(yǎng)成分和品質(zhì)特性的比較研究

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Comparative Study onMuscle Nutritional Componentsand Quality Characteristics of Diferent Sizes of Procambarusclarkii

SHAO Junjie'，XU ，LI Jiajia'，ZHAO Ping2，XU Zhiqiangl，HUANGHongbingl

（1.KeyLaboratorfGeneticBredingandCultivationforreshwaterCrustacean，MinistryofAgricultureandRuralAfairsreshwterFisheriesResearchIstuteofJiagsuProvince，Nanjing，Jangsu07hina；2.JiangsuXuyiCrafishIdusryDevelot Company Limited，Huaian，Jiangsu 2117oo，China）

Abstract：ToevaluatethemusclequalityofdferentsizesofProcambarusclarkii（redswampcrayfish）andprovideascientificbasis foraquaculturemanagement，thonditionfactor，abdominaleatield，muscleutritionalomposition，pH，wateroldingpacity andtexturepropertiesofsalsized（S），medium-sized（M），andlargesized（L）redswamprafishwere measuredandaalyzd. Theresultsshowedthatasthesizeincreasd，theconditionfactorandabdomialmeatyieldofterafishehibitedadecligtrend， withtheLgroupbeing significantlylower than the Sgroup.The muscle moisture content inthe Sgroup was the highest （ P <0.05）. The protein and fatcontents inthe muscle of the S group were the lowest，with no significant diffrencebetween the M and L groups. The totalaminoacidcontentandthecontentofflavoraminoacidsintheSgroupweresignificantlylowerthanthoseinthe MandL groups.Thetotalstialnocidontnt，tepeageofelaminocidsteotalincidsdtel acidindex intheSandLgroupswerelowerthanthoseintheMgroup.Thecentrifugallssrateandcooinglossrateofthemusclein the S group were significantly higher than those in the M andL groups，with no significant diference observed between the M and L groups.There snosgnificantdifrence inrdes，chewiness，springiessandgummiessetwenheMandLgoup，dtse parameters weresignfcantlyhigherthanthoseintheSgroup.Therefore，smallsizedredswampcrayfishhaveahigherabdominal meat yield，but medium-sized and large-sized crayfish have higher nutritional value and better meat texture. Keywords：Procambarus clarki； different sizes； nutritional component；amino acid；muscle characteristic

克氏原蝦（Procambarusclarkii），俗稱(chēng)小龍蝦，是目前市場(chǎng)上比較暢銷(xiāo)的水產(chǎn)品之一。（剩余12471字）