面筋洗滌儀
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產品名稱:
面筋洗滌儀
產品型號:
MJ-IIC/MJ-IIIB
產品展商:
杭州(zhou)大吉光電儀器(qi)有(you)限公(gong)司
關注指數:8551
產品文檔:
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面筋洗滌儀測定濕面筋含量
(1)稱樣:用生化培養箱將洗水調至所需溫度,從面粉樣品中稱取定量試樣10.00g并置于常溫。
(2)將試樣面筋洗滌儀的洗滌杯中,讓面筋洗滌儀工作。
面筋洗滌儀
的詳細介紹
面(mian)(mian)筋(jin)洗滌(di)儀測(ce)定濕(shi)面(mian)(mian)筋(jin)含量(liang):(1)稱(cheng)(cheng)樣:用生化(hua)培養箱將(jiang)(jiang)洗水(shui)(shui)(shui)調至所(suo)需溫(wen)度(du),從面(mian)(mian)粉(fen)樣品中(zhong)(zhong)稱(cheng)(cheng)取(qu)定量(liang)試樣10.00g并置(zhi)于常溫(wen)。(2)將(jiang)(jiang)試樣面(mian)(mian)筋(jin)洗滌(di)儀的(de)(de)洗滌(di)杯(bei)中(zhong)(zhong),讓洗滌(di)儀工(gong)作。(3)洗滌(di):洗滌(di)水(shui)(shui)(shui)為(wei)預設置(zhi)溫(wen)度(du)水(shui)(shui)(shui),將(jiang)(jiang)面(mian)(mian)團(tuan)(tuan)放(fang)(fang)在(zai)(zai)手上,在(zai)(zai)放(fang)(fang)有篩(shai)子的(de)(de)水(shui)(shui)(shui)中(zhong)(zhong)輕(qing)輕(qing)揉(rou)捏(nie),洗去(qu)面(mian)(mian)團(tuan)(tuan)內的(de)(de)淀粉(fen)、麩皮等物質。在(zai)(zai)揉(rou)洗過程(cheng)中(zhong)(zhong)換洗水(shui)(shui)(shui)數次,并回(hui)收篩(shai)面(mian)(mian)上散失的(de)(de)面(mian)(mian)筋(jin)。(4)檢(jian)查(cha):將(jiang)(jiang)面(mian)(mian)筋(jin)放(fang)(fang)人燒杯(bei)中(zhong)(zhong),加清(qing)水(shui)(shui)(shui)5ml,揉(rou)捏(nie)數次,取(qu)出面(mian)(mian)筋(jin),在(zai)(zai)水(shui)(shui)(shui)中(zhong)(zhong)加碘一碘化(hua)鉀溶液3~5滴,混勻(yun)后放(fang)(fang)置(zhi)lmin,此(ci)水(shui)(shui)(shui)溶液不是(shi)藍色,表明已(yi)洗滌(di)干凈,否則(ze)繼續(xu)洗滌(di)。(5)排水(shui)(shui)(shui):將(jiang)(jiang)洗好(hao)的(de)(de)面(mian)(mian)筋(jin)放(fang)(fang)在(zai)(zai)面(mian)(mian)筋(jin)離心儀上離心(6)稱(cheng)(cheng)重(zhong):排水(shui)(shui)(shui)后取(qu)出面(mian)(mian)筋(jin)放(fang)(fang)在(zai)(zai)預xian烘干稱(cheng)(cheng)重(zhong)的(de)(de)濾(lv)紙(%)上,稱(cheng)(cheng)得面(mian)(mian)筋(jin)與濾(lv)紙總重(zhong)量(liang) 。(7)結果(guo)汁算:濕(shi)面(mian)(mian)筋(jin)濕(shi)面(mian)(mian)筋(jin)(% )=100×(W1-W0)/10.00(8)平(ping)行作若干組(zu),取(qu)4組(zu)數據較接近的(de)(de),使其(qi)中(zhong)(zhong)任(ren)兩組(zu)數據的(de)(de)誤差不超過1.0% ,測(ce)定結果(guo)取(qu)小數點后位(wei),其(qi)編號分別為(wei)l #、2 #、3# 4#