预览加载中,请您耐心等待几秒...
1/5
2/5
3/5
4/5
5/5

在线预览结束,喜欢就下载吧,查找使用更方便

如果您无法下载资料,请参考说明:

1、部分资料下载需要金币,请确保您的账户上有足够的金币

2、已购买过的文档,再次下载不重复扣费

3、资料包下载后请先用软件解压,在使用对应软件打开

※基础研究食品科学2010,Vol.31,No.1331 3种非肌肉蛋白对竹荚鱼鱼糜凝胶特性的影响 陈海华1,2,薛长湖2 (1.青岛农业大学食品科学与工程学院,山东青岛266109;2.中国海洋大学食品科学与工程学院,山东青岛266003) 摘要:采用质构分析法、扫描电镜法以及TCA-可溶肽的测定方法研究大豆分离蛋白(SPI)、谷朊粉(GP)和花生 浓缩蛋白(PPC)对竹荚鱼鱼糜凝胶特性的影响。结果表明:SPI添加量超过1g/100g鱼糜时,对竹荚鱼鱼糜蛋白的降 解有抑制作用;GP和PPC添加量超过1g/100g鱼糜时对抑制竹荚鱼鱼糜蛋白降解的影响较小,其降解抑制率均低于 10%。添加GP和SPI能提高竹荚鱼鱼糜凝胶的破断强度、凹陷度和凝胶强度,GP和SPI添加量分别在10g/100g鱼 糜和5g/100g鱼糜时,竹荚鱼鱼糜的凝胶特性达到最大值。不同添加量的PPC均降低了竹荚鱼鱼糜凝胶的破断强度、 凹陷度和凝胶强度。添加GP、SPI和PPC均降低了竹荚鱼鱼糜凝胶的白度。添加GP和SPI能提高竹荚鱼鱼糜凝 胶的持水性,但添加PPC降低了竹荚鱼鱼糜凝胶的持水性。 关键词:大豆分离蛋白;花生浓缩蛋白;谷朊粉;竹荚鱼 EffectsofThreeKindsofNon-muscleProteinsontheGelPropertiesofHorse-mackerelSurimi CHENHai-hua1,2,XUEChang-hu2 (1.CollegeofFoodScienceandEngineering,QingdaoAgriculturalUniversity,Qingdao266109,China; 2.CollegeofFoodScienceandEngineering,OceanUniversityofChina,Qingdao266003,China) Abstract:Theeffectsofsoybeanproteinisolation(SPI),glutenpowder(GP)andpeanutproteinconcentrate(PPC)onthe gelpropertiesofhorse-mackerelsurimiwereinvestigatedbytextureanalysis,scanningelectronmicroscopicobservationandthe determinationofTCA-solublepeptides.TheresultsindicatedthatadditionofSPIatmorethan1g/100gsurimiinhibitedthe hydrolysisofhorse-mackerelsurimi,whiletheseparateadditionsofGPandPPCexhibitedlittleinhibitioneffectonthe hydrolysisofhorse-mackerelsurimiandtheinhibitionratewaslessthan10%.TheseparateadditionsofSPIandGPresultedin anincreaseinthebreakingforce,deformationandgelstrengthofhorse-mackerelsurimi.Thebestgelpropertiesofhorse- mackerelsurimiwereobservedwithaddedGPat10g/100goraddedSPIat5g/100g.However,theadditionofPPCdecreased thegelpropertiesofhorse-mackerelsurimi.Alloftheseparateadditionsofthesekindsofnon-muscleproteinsresultedinalower whitenessofhorse-mackerelsurimi.SeparatelyaddedGPandSPIcouldenhancethewaterholdingcapacityofhorse-mackerel surimi;however,itdisplayedanoppositechangewhenPPCwasaddedinsteadoftheotherkindsofnon-muscleproteins. Keywords:soybeanproteinisolate;peanutproteinconcentrate;glutenpowder;horse-mackerel 中图分类号:TS254.4;S965.328文献标识码:A文章编号:1002-6630(2010)13-