麵筋是什麼?麵筋指數怎麼測?
麵筋是小麥粉中獨有的黏、彈(dan)性(xing)物(wu)質(zhi),是(shi)小(xiao)麥(mai)蛋(dan)白(bai)質(zhi)存(cun)在(zai)的(de)一(yi)種(zhong)特(te)殊(shu)形(xing)式(shi),決(jue)定(ding)小(xiao)麥(mai)的(de)加(jia)工(gong)品(pin)質(zhi)。一(yi)般(ban)情(qing)況(kuang)下(xia)優(you)質(zhi)的(de)小(xiao)麥(mai)麵(mian)筋(jin)含(han)量(liang)高(gao)。而(er)且(qie)據(ju)調(tiao)查(zha)了(le)解(jie)不(bu)同(tong)的(de)麵(mian)筋(jin)指(zhi)數(shu)值(zhi)的(de)麵(mian)粉(fen)用(yong)途(tu)不(bu)同(tong),麵(mian)筋(jin)指(zhi)數(shu)在(zai)45-65之間的麵粉適用於饅頭的製作,而用於製作麵包的麵筋指數值應在60-90zhijian。suoyizaigoumaimianfenshi,yinggenjuzijideshijixuyaoxuanzexiangyingmianfenzhishudemianfen,mianfendeshengchanshangyeyingduimianfendemianjinzhishujinxingcedingbingbiaomingmianjinzhishuhanliang,caiyong麵筋測定儀可準確測量出小麥麵筋指數。

麵筋測定儀是用來測定麵粉中濕(幹)麵筋的含量、麵筋指數及麵筋持水率的專用儀器,特別適用於試樣量多的用戶,可廣泛用於食品和麵粉加工、糧油科研機構、糧食貯藏等部門。該儀器測定精準,麵筋含量兩次測定結果之差不大於1.0%。
mianjindeshulianghezhiliangzaipingjiaxiaomaipinzhishijuyoutongdengdezhongyaoxing,qiejuyouhubuzuoyong,yinciliyongmianjincedingyifenxixiaomaimianjinhanlianghemianjinzhishudeyichuanguilvjuyouzhongyaodeyiyi。yuchuantongdeshuixifaxiangbi,liyonggaiyiqijiancejianhualeshiyanchengdu,jianshaolerenlideshiyong,xiaolvgenggao。gaiyiqidegongzuoyuanlishijiang10g麵粉或全麥粉加5ml鹽水,在帶有篩網的洗滌杯中混合20s形成麵團,然後用鹽水洗滌5min,就可以得到麵筋。在離心作用下,按SB/T10248-95規定的方法,就可計算出濕麵筋含量及麵筋指數。



