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1、现代食品科技ModernFoodScienceandTechnology2013,Vol.29,No.9超高压对刺参泡发及其品质的影响王成忠,夏敏敏(齐鲁工业大学食品与生物工程学院,山东济南250353)摘要:本文以干制刺参为原料研究了超高压处理过程中,不同压力、温度及保压时间对刺参的持水力和质构的影响,并比较水发刺参和超高压处理刺参主要功能成分(胶原蛋白和海参多糖)的变化。结果表明,压力对刺参持水力的影响呈先增大后减小的趋势,压力为300MPa处理时持水力最大;随着温度的升高,持水力不断增大,但是当温度升高的一定程度时,持水力基本保持不变;另外,随着保压时间的延长,持水力先增大后减小
2、,保压时间为10min处理刺参持水力达到最大。采用300MPa,60℃,10min处理刺参,硬度、黏附性、咀嚼性最大,此时刺参的质构最好,口感最佳。超高压处理对刺参的功能成分影响不大,但与鲜刺参相比,多糖含量和胶原蛋白的含量差异较小;与水发刺参相比,多糖和胶原蛋白含量均明显提高,说明超高压处理能够减少有效成分的损失。关键字:超高压;刺参;持水力;功能成分;质构文章篇号:1673-9078(2013)9-2081-2085EffectofHighPressureonExpandingandQualityofDriedSeaCucumberWANGCheng-zhong,XIAMin-mi
3、n(CollegeofFoodandBio-engineering,QiluUniversityofTechnology,Jinan250353,China)Abstract:Usingdriedseacucumber(StichopusJaponicus)asmaterial,theeffectofdifferentpressure,temperatureandpressureholdingtimeonwaterholdingcapacity(WHC)andtexturalpropertieswasstudied.Inthisstudy,thechangesoffunctionalc
4、omponent(collagenandpolysaccharides)betweenStichopusJaponicusofwatersoakingandultra-highpressureprocessingwereinvestigated.Itturnedoutthat,WHCwasincreasingfirstandthendecreasingwiththepressureincreasing,itreachedthemaximumat300MPa;anditwasincreasingwiththetemperatureincreasing,butwhenthetemperat
5、urerosetoacertainpoint,WHCbasicallykeptinvariant;besides,WHCwasincreasingfirstandthendecreasingwiththeextensionofpressureholdingtime,itreachedthemaximumat10min.Thehardness,gumminessandchewinessofStichopusJaponicusreachedthemaximumat300MPa,60℃,10min,andStichopusJaponicushadthebesttextureandgoodta
6、ste.ThefunctionalcomponentofStichopusJaponicustreatedbyUHPbasicallykeptinvariant.However,thecontentsofcollagenandpolysaccharidebetweenUHPprocessingStichopusJaponicusandfreshStichopusJaponicusweresimilar;comparedwiththeStichopusJaponicusofwatersoaking,theexperimentshowsthatusingUHPtreatmentcanres
7、ervemorefunctionalcomponent.Keywords:ultra-highpressure;StichopusJaponicus;water-holdingcapacity;functionalcomponent;texturalproperties海参属于棘皮动物门,是重要的海洋无脊椎动物。工而得到的海参成品,包括干制海参、干制海参、冻已有五千万年的历史,全世界有一千多种,可食用的干海参、即食海参、海参胶囊、海参口服液等,