低粘度辛烯基琥珀酸淀粉钠作微胶囊壁材包埋柠檬油

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1、维普资讯http://www.cqvip.com天然产物研究与开发NatProdResDev2007，19：138—142文章编号：1001-6880(2007)01-0138-05低粘度辛烯基琥珀酸淀粉钠作微胶囊壁材包埋柠檬油黄强h，罗发兴，李琳，阳元娥华南理工大学轻工与食品学院，广州’510640；广东轻工职业技术学院，广州510300摘要：以蜡质玉米淀粉为原料在优化条件下制备具有乳化能力的低粘度辛烯基琥珀酸淀粉钠(SSOS)。用Brabender粘度仪测定淀粉糊的粘度及其稳定性，发现酶处理前SSOS糊的粘度较蜡质玉米淀粉提高，但稳

2、定性变化不大。研究发现低粘度SSOS微胶囊包埋柠檬油的百分率在57．4％至87．6％(w／w)之间，并取决于SSOS的葡萄糖值。在壁材与芯材的质量比大于3比2，葡萄糖值为12．8时，微胶囊包埋的产率和效率达到最高值。微胶囊在40℃下放置贮存3周后，其微胶囊化效率仅降低3％。通过扫描电镜观察，发现微胶囊为球形的未粘。连的颗粒，有些颗粒的表面并不平整。研究结果表明一定葡萄糖值的低粘度SSOS作为微胶囊壁材具有很好的包埋效果。关键词：淀粉酯；低粘度辛烯基琥珀酸淀粉钠(ssos)；壁材；包埋；柠檬油中图分类号：R93；TS236文献标识码：AL

3、owViscosityStarchSodiumOctenylsuccinateasWallMaterialforEncapsulationofLemonOilHUANGQiangh，LUOFa．xing。，LILin，YANGYuan．e。CollegeofLightindustryandFoodSciences，SouthChinaUnivemityofTechnology，Guangzhou510640，China；DepartmentofFoodandBiologyEnginee~ng，GuangdongIndustryTechn

4、icalCollege，Guangzhou510300，ChinaAbstract：Lowviscosityofstarchsodiumoctenylsueeinate(SSOS)waspreparedfromwaxycornstarchunderconditionsoptimizedfordevelopmentofemulsifyingability．TheviscosityofthepasteofSSOS(beforeenzymetreatment)increasedincomparisonofthenativewaxycornst

5、archmeasuredbyBrabenderviscograph“E”，butthestabilitydidnotchange．Percentageoflemonoilencapsulatedvariedfrom57．4％to87．6％(w／w)，dependingonthedextroseequivalentvalueoflowviscosityofSSOS．Theencapsulationproductivityandeficiencywereoptimalwhenthemassratioofwallmaterialtocorem

6、aterialwasmorethan3：2andthedextroseequivalentvalueoflowviscositySSOSwa$12．8．Theencapsulationeficiencyjustdeceasedby3％whenstoredat40℃for3weeks．TheballshapedmieroencapsuledidnotadheretoeachotherobservedbySEM，whereasthesurfacesofsomegranulesweremugh．Theresultsindicatedthatl

7、owviscosityofSSOSwithcertaindextroseequivalentwouldbepotentialwallmaterialsformieroeneapsulationoflemonoil．Keywords：starchester；lowviscositystarchsodiumoctenylsueeinate(SSOS)；wallmaterial；encapsulation；lemonoilsuh，theproductexhibitedpropertyofhydrophilicityIntroductionon

8、ly．Starchisakindofnaturalmacromoleculewithhydro—Starchsodiumoctenylsuccinate(SSOS)isakindofphilicproper