影响蔬菜中亚硝酸盐含量的因素研究摘要:试验研究了蔬菜在不同储存时间与储存温度、不同食用前处理和不同加工方法等条件下亚硝酸盐含量的变化,结果表明,蔬菜中亚硝酸盐的含量随储存时间的延长会逐渐升高,达到最大值后有所下降
不同蔬菜中亚硝酸盐的含量随温度的变化而不同
漂烫处理可以降低蔬菜中亚硝酸盐的含量,浸泡处理会使亚硝酸盐含量升高
蔬菜经炒熟或煮熟后亚硝酸盐含量均会降低,并且煮熟的蔬菜亚硝酸盐含量低于炒熟的蔬菜
关键词:蔬菜;亚硝酸盐;储存时间;储存温度;食用前处理;加工方法studyonthefactorsinfluencingthenitritecontentinvegetableszhanxiu-huan,wangzi-yun,shajun-li(departmentofchemistry,zhoukounormaluniversity,zhoukou466000,henan,china)abstract:thechangesofnitritecontentinvegetablesunderdifferentstoragetimeandstoragetemperature,differentfoodprocessingmethodsanddifferentpre-treatmentconditionsandsoonwerediscussed.theresultsshowedthat,thecontentofnitritegraduallyincreasedwithtime,andwoulddecreaseafterthemaximumvalue.thenitritecontentsindifferentvegetablesweredifferentwithtemperaturechanging.blanchingtreatmentcouldreducethecontentof