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时间:2020-04-18
《瓜尔豆胶对猪肉脯品质的影响-论文.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、现代食品科技ModernFoodScienceandTechnology2014,Vo1.30,No.3魔芋胶/瓜尔豆胶对猪肉脯品质的影响赵谋明,杨园媛,孙为正,丛懿洁(华南理工大学轻工与食品学院,广东广州510640)摘要:本试验研究了魔芋胶与瓜尔豆胶的复配胶体对猪肉脯品质的影响,测定了感官、色差、质构、水分活度、含水量、pH值这六个指标。结果表明:胶体组感官得分均高于空白组,添加0.24%魔芋胶与0.16%瓜尔豆胶的实验组的感官综合得分最高;单独胶体和复配胶的加入均在一定程度上改善了猪肉脯的色
2、泽与质构栉}生,添加0.24%魔芋胶与0.16%瓜尔豆Jz-~-猪肉脯质构特性的改善最为显著;胶体组猪肉脯水分活度显著降低,含水量显著增大(p<0.05),添加0.24%魔芋胶与0.16%瓜尔豆胶的猪肉脯的水分活度最低,仅添加0.4%魔芋胶的猪肉脯的含水量最高;复配胶的可在一定程度上提高猪肉脯的pH值,且随着魔芋胶在复配胶中所占比例的增大,pH值也随之升高。总之,复配胶的加入可改善猪肉脯的感官品质、质构特性及耐贮藏性,添加含0.24%魔芋胶与0.16%1~豆胶的复配胶较利于猪肉脯综合品质的改善。关
3、键词:胶体;猪肉脯;质构;品质;复配文章篇号:1673.9078(2014)3.121.125EfectofKonjacGlucomannan/GuarGum0ntheQualityofPorkJerkyZHAOMou-ming,YANGYuan-yuan,SUNWei-zheng,CONGYi-jie(CollegeofLightIndustryandFoodSciences,SouthChinaUniversityofTechnology,Guangzhou510640,China)Abstr
4、act:Toinvestigatetheinfluenceofkonjacgumandguargumcombinationonthequalityofporkjerky,thesensorycharacteristic,colour,texture,wateractivity,watercontentandpHofthejerkywereevaluated.Resultsshowedthatfivediferenttreatmentsgothighersensoryscoresandthegrou
5、pcontained0.24%konjacglucomannan/0.16%guargumscoredthehighest.Thecolourandtextureofthejerkywereimprovedatdiferentlevelswithadditionofhydrocolloidsandthegroupof0.24%konjacglucomannan/0.16%guargumachievedthebest.Theadditionofhydrocolloidsreducedthewater
6、activityandincreasedthewatercontentofthejerky(0.05)remarkably.Thegroupcontained0.24%konjacglucomannan/0.16%guargumhadthelowestwateractivityandthegroupwith0.4%konjacglucomannanhadthehighestwatercontent.ThehydrocolloidsincreasedthepHofthejerkytosomeexte
7、nt.ThepHincreasedastheproportionofkonjacglucomarmaninhydrocoUoidsamplified.Inconclusion,theadditionofhydrocolloidsCanimprovethesensoryquality,structurecharacteristicsandstoragestabilityofthejerky.Thecombinationof0.24%konjacgumand0.16%guargumwasbenefic
8、ialforcomprehensivequalityofthejerky.Keywords:gum;porkjerky;texture;quality;combination肉脯是瘦肉经切片(或绞碎)、调味、腌制、摊筛、中添加一些可改善其质构特性的食品添加剂来提高食烘干、烤制等工艺制成的干熟、薄片形的肉制品,《礼用品质,亲水性胶体可提高食品黏度或形成凝胶,具记》有云“牛修鹿脯”,《论语》更日“沽酒市脯”【lJ,有较高的安全性和一定保健作用,是提高猪肉脯品质是我国传统肉制品的重要组成
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