Qhov tseem ceeb ntawm kev khov rau crystallization hauv kev ua roj thiab roj
Qhov kub ua haujlwm ntawm kev khov muaj feem cuam tshuam loj rau cov qauv siv lead ua ntawm margarine. Lub tshuab quench nruas ib txwm muaj peev xwm txo qhov kub ntawm cov khoom sai thiab sai, yog li thaum siv cov tshuab ua tubular quench, tib neeg feem ntau xav yuam kev tias qhov cuam tshuam ntawm kev txias sai yuav zoo heev thaum pib, tab sis qhov tseeb, nws tsis tas yuav yog li ntawd. Thaum cov khoom raug tsim nrog roj zaub raws li roj xibtes lossis roj xibtes extract, kev txias heev thaum pib yuav ua haujlwm zoo. Txawm li cas los xij, hauv cov khoom siv butter - lossis cream-based, kev txias ntau dhau ntawm emulsion ntawm thawj theem ntawm chav tsev A ua rau cov khoom kawg mos dhau los ntim rau hauv ntawv. Thiab yog tias nyob rau hauv thawj theem ntawm kev txias sai nruab nrab txias, mus rau theem kawg ntawm kev khov sai, yuav ua tiav cov txiaj ntsig zoo tshaj plaws. Vim tias qhov kub tsim nyog ntawm cov khoom kawg yog ze rau qhov melting point ntawm cov mis, ntawm lub sijhawm no xaiv crystallization ntawm cov khoom melting point siab tshwm sim thaum thawj theem ntawm cov txheej txheem tsim khoom.
Lub raj tub yees thaum kawg ntawm cov khoom siv ntau lawm yog lub raj so tshwj xeeb, nws lub peev xwm yog kwv yees li sib npaug rau 15% ntawm cov kab ntau lawm tso zis ib teev, tom qab so lub raj hauv qhov hluav taws xob ntawm lub network, thaum cov khoom los ntawm cov khoom PiMa qi Lin crisp yuav tau txais kev ua tiav zaum kawg, nws yog ib qho tseem ceeb heev rau cov khoom ntawm cov tshuab yas ua. Lwm hom khoom tsim, siv lwm yam khoom siv kneading yuav muaj cov txiaj ntsig zoo dua li siv cov nets.
Kev loj hlob ntawm cov khoom thiab kev ntsuam xyuas kev ua tau zoo
Cov khoom margarine tuaj yeem kho tau ob peb hnub ncaj qha hauv chav txias lossis hauv lub tsev cog khoom kub. Kev paub dhau los qhia tau tias rau cov mis ua los ntawm butter, nws yog qhov tsim nyog los kho qhov kub ntawm qhov kub kom haum, uas yuav txhim kho thiab txhim kho kev ua haujlwm ntawm cov khoom. Rau cov khoom siv roj zaub lossis cov khoom qab zib pastry, kev kho qhov kub tsis tseem ceeb thiab tsis muaj kev cuam tshuam rau qhov zoo kawg ntawm cov khoom.
Kev ntsuam xyuas cov khoom margarine thiab ghee feem ntau yog ua los ntawm kev sim ua noj. Kev sim ua noj ntawm flaky margarine yog ntsuas los ntawm kev ntsuas qhov siab ntawm flaky margarine thiab qhov sib npaug ntawm cov qauv laminated. Kev ua haujlwm ntawm cov khoom margarine tsis yog tsuas yog raws li qhov plasticity ntawm cov khoom, thiab nws tsis tuaj yeem txiav txim siab los ntawm kev sib tsoo. Qee zaum margarine qhov kev ntsuam xyuas thawj zaug tsis zoo, tab sis nws qhia tau tias muaj kev ua haujlwm zoo thaum ci. Cov cwj pwm ntawm cov kws ua mov ci feem ntau cuam tshuam rau qhov kev ntsuam xyuas cov khoom.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-31-2021