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时间:2018-04-16
《野生葡萄及葡萄酒抗氧化活性和抗菌性研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、广西植物GuihaiaJul.2014,34(4):510-514http://journal.gxzw.gxib.cnDOI:10.3969/j.issn.1000-3142.2014.04.016陈洁梅,缪冰旋,张灿辉,等.野生葡萄及葡萄酒抗氧化活性和抗菌性研究[J].广西植物,2014,34(4):510-514ChenJM,MiaoBX,ZhangCH,etal.Antioxidantactivityandantibacterialpropertyofwildgrapeandgrapewine[J].Guihaia,2014,34(4):510-514野生葡萄及葡萄酒抗氧化
2、活性和抗菌性研究陈洁梅1,缪冰旋1,张灿辉1,王琳欢2,艾田1(1.暨南大学生物工程学系,广州510632;2.北京师范大学香港浸会大学联合国际学院食品科学与工程系,广东珠海519085)摘要:选取广西、湖南等地野生葡萄,与经典酿酒葡萄比较,研究抗氧化活性和活性物质,同时监测葡萄酒发酵过程中各指标的动态变化,并对不同品种葡萄酒的抗菌性进行研究。结果表明:赤霞珠的酚类含量和抗氧化活性高于野生葡萄和玫瑰香葡萄,但野生葡萄酒的抗菌性能显著优于赤霞珠和玫瑰香葡萄酒。葡萄酒在发酵过程中其抗氧化活性和酚类物质含量均随发酵过程的进行而升高;总抗氧化活性与总酚含量、氧自由基清除能力与原花青素含量成
3、显著正相关,相关系数均大于0.989;总花色苷含量在发酵初期上升,后期下降,葡萄酒颜色变浅。关键词:葡萄酒;野生葡萄;多酚;抗氧化活性;抗菌性中图分类号:Q946文献标识码:A文章编号:1000-3142(2014)04-0510-06Antioxidantactivityandantibacterialpropertyofwildgrapeandgrapewine1,MIAOBing-Xuan1,ZHANGCan-Hui1,CHENJie-Mei2,AITian1WANGLin-Huan(1.CollegeofLifeScienceandTechnology,JinanUnive
4、rsity,Guangzhou510632,China;2.DerpartmentofFoodScienceandTechnology,UnitedInternationalCollege,Zhuhai519035,China)Abstract:Comparingwiththeclassicwinegrapes,thewildgrapesfromGuangxiandHunanwereselectedtoanalyzetheirantioxidantactivityandactivesubstances.Thedynamicchangeofeachindicatorintheferm
5、entationprocesswasmonitoredandtheantibacterialpropertyofdifferentgrapewineswasstudied.Theresultsshowedthatthetotalphe-nolcontentandantioxidantactivityofcabernetsauvignonwerehigherthanthewildgrapesandmuscatgrape.Buttheantibacterialactivityofwildgrapewinesweresuperiortothatofcabernetsauvignonand
6、muscatgrapewine.Duringthefermentationprocessofwines,theirantioxidantactivityandtotalphenolcontentincreased.Thetotalantioxidantactivityandtotalphenolcontenthadasignificantpositivecorrelation,aswellastheoxygenradicalscavengingcapacityandprocyanidinscontent.Thecorrelationcoefficientsweregreaterth
7、an0.989.Thetotalanthocyanincontentroseintheinitialfermentationandfellinthelate.Thewinecolorbecameshallowwithit.Keywords:wine;wildgrape;polyphenols;antioxidantactivity;antibacterialproperty葡萄中含有丰富的酚类物质,主要来源于葡萄中的重要成分,不仅影响葡萄和葡萄酒的色泽、香的果皮和籽,
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