我wo們men平ping時shi食shi用yong的de餅bing幹gan是shi我wo們men中zhong國guo市shi場chang上shang比bi較jiao流liu通tong的de那na種zhong產chan品pin，餅bing幹gan的de製zhi造zao是shi比bi較jiao複fu雜za的de，它ta首shou先xian得de是shi小xiao麥mai進jin行xing研yan磨mo得de出chu麵mian粉fen，再zai將jiang麵mian粉fen加jia工gong成cheng餅bing幹gan

，針zhen對dui不bu同tong的de餅bing幹gan我wo們men還hai存cun在zai著zhe一yi些xie麵mian粉fen品pin質zhi的de要yao求qiu，麵mian粉fen的de品pin質zhi我wo們men多duo半ban都dou是shi麵mian團tuan的de拉la伸shen度du來lai衡heng量liang的de，像xiang電子拉伸儀就是我們使用的比較多的儀器，它存在的便利我們就不多說了。也可以降低麵筋網絡中蛋白質 MD
，表現為麵團的彈性減小
，因而也可以顯著降低麵團的韌性和彈性，起到降低餅幹變形率的作用。對於不同特性( 批次)的(de)麵(mian)粉(fen)
，添(tian)加(jia)同(tong)樣(yang)劑(ji)量(liang)的(de)減(jian)筋(jin)劑(ji)，麵(mian)團(tuan)的(de)收(shou)縮(suo)度(du)表(biao)現(xian)並(bing)不(bu)相(xiang)同(tong)，因(yin)此(ci)如(ru)何(he)有(you)效(xiao)地(di)測(ce)定(ding)麵(mian)團(tuan)的(de)流(liu)變(bian)特(te)性(xing)，控(kong)製(zhi)穩(wen)定(ding)的(de)生(sheng)產(chan)，是(shi)餅(bing)幹(gan)廠(chang)麵(mian)臨(lin)的(de)難(nan)題(ti)之(zhi)一(yi)。

lashenyishiceshimiantuanliubianxuetexingdeyizhongchangyongyiqi。zhezhongyiqicongshanggeshijisishiniandaichanshengyilai，zaimianfenpinzhideyanjiuyujiancefangmiandedaoleguangfandiyingyong。muqianguoneiwaidexuduomiantuanleishipindeshengchanyuyanjiujunzaishiyonggaiyiqi。youyubantianrenxingbingganmiantuanhanshuiliangxiangduijiaodi，miantuanchoudujiaoda，zaizhengchangtiaojianxiawufachengxingweiceshiyangpinxingzhuang
，yincilashenyizaizhezhongmiantuanzhongdeyingyongshangweijianbaodao。benwencaiyongjingguoyidinggaijindelashenyicedingfangfa
，yanjiulelashenyiduibingganmiantuanliubiantexingceshiyijilashentexingyuchengpinbinggantexingdexiangguanxing。

兩(liang)種(zhong)不(bu)同(tong)作(zuo)用(yong)機(ji)理(li)的(de)減(jian)筋(jin)劑(ji)在(zai)對(dui)麵(mian)團(tuan)能(neng)量(liang)參(can)數(shu)的(de)改(gai)變(bian)時(shi)
，也(ye)表(biao)現(xian)出(chu)不(bu)同(tong)的(de)作(zuo)用(yong)效(xiao)果(guo)，即(ji)能(neng)量(liang)值(zhi)同(tong)蛋(dan)白(bai)酶(mei)的(de)加(jia)入(ru)量(liang)呈(cheng)現(xian)顯(xian)著(zhu)的(de)線(xian)性(xing)相(xiang)關(guan)性(xing)

，而(er)同(tong)焦(jiao)亞(ya)的(de)加(jia)入(ru)量(liang)則(ze)呈(cheng)現(xian)出(chu)顯(xian)著(zhu)的(de)非(fei)線(xian)性(xing)相(xiang)關(guan)。這(zhe)表(biao)明(ming)拉(la)伸(shen)儀(yi)對(dui)麵(mian)團(tuan)的(de)內(nei)聚(ju)力(li)變(bian)化(hua)有(you)良(liang)好(hao)的(de)體(ti)現(xian)能(neng)力(li)。先(xian)將(jiang)鬆(song)弛(chi)後(hou)的(de)150g麵mian團tuan
，手shou工gong輕qing握wo成cheng圓yuan球qiu狀zhuang，直zhi接jie放fang入ru成cheng型xing器qi內nei
，成cheng型xing為wei長chang條tiao型xing後hou，放fang入ru拉la伸shen儀yi麵mian團tuan夾jia具ju內nei。三san個ge平ping行xing的de樣yang品pin處chu理li後hou，選xuan出chu兩liang個ge長chang度du最zui接jie近jin的de麵mian團tuan測ce試shi其qi能neng量liang，延yan伸shen度du
，最zui大da拉la伸shen阻zu力li以yi及ji最zui大da阻zu力li延yan伸shen比bi，並bing求qiu出chu兩liang組zu數shu據ju的de平ping均jun值zhi，用yong以yi分fen析xi討tao論lun。中國糧油儀器網  http://www.98fo.cn/