资源描述：
《不同存放条件对油炸食品酸价和过氧化值的影响》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、中国卫生检验杂志2010年11月第20卷第11期ChineseJournalofHealthLaboratoryTechnology,Nov2010;Vol20No112809实验研究不同存放条件对油炸食品酸价和过氧化值的影响11211莫宝庆,胡春艳,孙启东,萧黎,朱慧娟(1.南京医科大学公共卫生学院营养与食品卫生学系,南京210029;2.江苏省盐城市卫生监督所,江苏盐城224001)[摘要]目的:了解不同存放条件对油炸食品酸价和过氧化值的影响。方法:从市场随机购买不同保存时期的方便面,并在购买油炸食品(馓子酥)后,在冰箱和室温下
2、放置4天、8天,按国标方法分别测定其酸价和过氧化值。结果:超市购买接近保质期的方便面过氧化值明显高于购自批发市场相同品牌者。随着放置时间的增加,油炸食品的过氧化值明显增高,第4天、第8天的过氧化值高于第0天,而第8天的又高于第4天。室温存放第8天馓子酥的酸价明显高于第0天。在相同保存时间内,室温敞口保存油炸食品的过氧化值明显高于冰箱避光密闭保存者。结论:保存时间、光照、温度及氧气等对油炸食品的酸价、过氧化值有较大影响。[关键词]油炸食品;存放条件;酸价;过氧化值[中图分类号]R155.5[文献标识码]A[文章编号]100
3、4-8685(2010)11-2809-03Theeffectofdifferentpreservationconditionsonacidvalueandperoxidevalueforfriedfood11211MOBao-qing,HUChun-yan,SUNQi-dong,XIAOLi,ZHUHui-juan(1.DepartmentofNutritionandFoodHygieneinNanjingMedicalUniversity,Nanjing210029,China;2.YanchengInstituteofHealthInsp
4、ection,Yancheng224001,China)[Abstract]Objective:Tolearntheeffectofdifferentpreservationconditionsonacidvalue(AV)andperoxidevalue(POV)forfriedfood.Methods:Theinstantnoodleswereboughtrandomlyfromthemarketindifferentpreservationtime.Friedshortbreadwerelaidinroomtemperatureorr
5、efrigeratorfor4and8days.TheirAVandPOVweredeterminedaccordingtothestandardmethods.Results:ThePOVoftheinstantnoodlesnearguaranteeperiodfromthesupermarketwasobviouslyhigherthanthatfromthewholesalemarket.Alongwithstoragetime,thePOVofthefriedfoodobviouslyincreased.ThePOVonthe4thd
6、ayandthe8thdaywasobviouslyhigherthanthatatthebeginning,andPOVonthe8thdaywashigherthanthatonthe4thday.Onthe8thday,theAVofthefriedshortbreadkeptinroomtemperaturewasalsohigherthanthatatthebeginning.Inthesamepreservationtime,thePOVofthefriedfoodkeptintheroomtemperature,exposedto
7、lightandoxygenwasobviouslyhigherthanthatkeptintherefrigeratorfreeofthelightandoxygen.Conclusions:Thepreservationtime,light,oxygen,temperatureandsoongreatlyaffecttheacidvalueandperoxidevalueofthefriedfood.[Keywords]Friedfood;Preservationcondition;Acidvalue;Peroxidevalue油脂
8、及富含油脂的食品在人们的膳食中占相当大的比较少,仅涉及抗氧化剂和保鲜剂对方便面的保鲜效果或是因例,但其在长时间贮存后由于受光线、空气、温度等因素的影方
