欢迎来到天天文库
浏览记录
ID:53768460
大小:561.19 KB
页数:8页
时间:2020-04-25
《养殖暹罗鳄不同部位肌肉的品质分析及评价-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、现代食品科技ModernFoodScienceandTechnology2014,Vo1.30,No.7养殖暹罗鳄不同部位肌肉的品质分析及评价肖琨,王锡昌,李梦凡(上海海洋大学食品学院,上海201306)摘要:为更好地综合利用养殖暹罗鳄资源,本文从营养质量、食用质量和技术质量三方面评价了养殖暹罗鳄不同部位的肌肉品质,以期为养殖产业的可持续发展提供理论支撑。结果表明:尾肉蛋白质含量(20.25%)高于腿肉(18.70%)和体肉(18.36%),但其总氨基酸含量为70.47%,低于腿肉(72.17%)和体肉(72.58%);尾肉的粗脂肪含量(0.98%)高于腿肉(0.700/0)
2、而低于体肉(1.12%),不饱和脂肪酸比例(68.22%)显著高于体肉(66.66%)和腿肉(64.91%),EPA与DHA总比例高于体肉而略低于腿肉;各部位肌肉富含ca、Fe元素,其中腿肉的微量元素最为丰富。通过系水力、蒸煮损失、pH、羟脯氨酸含量、肌原纤维断裂指数(MFI)几项品质指标检测,发现呈现白色的尾肉嫩度最佳,红色肉的腿肉次之,粉红色的体肉肉质较差;质构分析发现硬度、胶粘性、咀嚼性及回复性呈现腿肉>尾肉>体肉的规律以上结果表明养殖暹罗鳄肉是一种营养价值和食用价值很高的优质新型肉类,具有广阔的开发前景。关键词:养殖暹罗鳄;不同部位;营养评价;质构特性文章篇号:167
3、3.9078(2O14)7.124-130AnalysisandEvaluationofMuscleQualityinDiferentEdibleParts0fFarmedCrocodylussiamensisXIAOKun.Ⅵ,ANGXi-chang,LIMeng-fan(CollegeofFoodScienceandTechnology,ShanghaiOceanUniversity,Shanghai201306,China)Abstract:Nutritionalquality,eatingqualityandtechnologicalqualityofdiferent
4、ediblepartsoffarmedCrocodylussiamensiswereevaluatedtoprovidetheoreticaldirectionsforitsfurthercomprehensiveutilizationandsustainabledevelopmentofaquacultureindustry.Theresultsshowedthattheproteincontentintail(20.25%)washigherthanthatofleg(18.70%)andtorso(18-36%),butthetotalaminoacid(TAA)int
5、ail(70.47%)waslowerthanthatofleg(72.17%)andtorso(72.58%).Thefatcontentintail(0.98%)washigherthaninleg(0.70%)butlowerthanintorso(1.12%).Theunsaturatedfattyacid(UFA)ratiointail(68_22%)wassignificantlyhigherthanthatofbody(66.66%)andleg(64.9l%).TotalproportionsofEPAandDHAwerericherinlegmuscleth
6、anthatoftailandbody.FannedCrocodylussiamensismuscle,especiallyinleg,wasrichinCa,Zn,Feelements.Accordingtothedetectionofseveralin~cators,WHC,cookingloss,pH,hydroxyprolinecontentandmyofibrilfragmentationindex(MF0,themusclequalitywasevaluated.Itwasfoundthatthetendemessofwhitetailmusclewasthebe
7、followedbyredlegmuscle;andtorsomusclehadthepooresttandemess.Textureprofileanalysisshowedthathardness,adhesiveness,chewinessandresiliencepresentedaruleaslegmuscle>tailmuscle>bodymuscle.TheseresultsindicatedthatfarmedCrocodylussiamensismusclehadhi【ghnutrit
此文档下载收益归作者所有