Cov kua txiv ntoo yog tsim los ntawm cov kua txiv ntuj nrog ntxiv qab zib thiab citric acid. Cov dej qab zib yog cov dej qab zib ntau ntau. Koj tuaj yeem ua dej haus los ntawm yuav luag txhua cov txiv ntoo.
Daim ntawv qhia yooj yim
Hauv cov kua dej uas tsis muaj kev tiv thaiv, cov piam thaj yuav tsum muaj tsawg kawg 65%, tsuas yog tias qhov mob no tau ua tiav, cov kua dej yuav khaws cia tau ntev. Qhov ntau ntawm cov piam thaj tiv thaiv kev tsim pwm thiab tiv thaiv cov txheej txheem fermentation, uas yog ib qho ua ntej rau nws txoj kev khaws cia.
Los npaj cov dej haus no, nws yog qhov zoo tshaj rau noj tsis tiav cov txiv hmab txiv ntoo uas siav, lawv muaj qhov tsim nyog ntawm cov kua qaub ntuj. Cov khoom siv tseem ceeb rau kev npaj cov dej qab zib no yog kua txiv tau los ntawm kev xau lossis nias.
Rhaub qhov ntsuas ntawm cov kua txiv ntawm qhov kub kom kub rau 100 ° C. Tshem tawm cov npuas dej uas pom nyob rau saum npoo nrog ib rab diav, tom qab ntawd pib maj mam ntxiv qab zib, nplawm cov kua txiv tas li, vim qhov kub, cov piam thaj yuav tsum yaj sai sai. Thov nco ntsoov tias tom qab ntxiv qab zib, cov kua qab zib yuav tsum tsis txhob muab rhaub kom ntev, vim tias qhov no tuaj yeem ua rau tsis hnov tsw txawv txawv teb chaws.
Tom qab cov piam thaj yog ua kom yaj, ntxiv citric acid. Cov kua txiv ntoo yuav tsum muaj los ntawm 0.8 mus rau 1.5% citric acid. Yog tias koj tsis muaj citric acid hauv hmoov, hloov nws nrog kua txiv qaub. Yog tias koj tab tom ua kua txiv ua kua txiv qaub, ntxiv cov kua txiv citric acid tsawg dua; yog siv cov txiv ntoo qab zib, ntxiv rau me ntsis. Qhov nruab nrab, 8-15 grams hmoov yuav tsum tau noj ib kilogram ntawm syrup.
Ob txoj kev ua noj ua haus
Muaj ob hom phoov phoov. Qhov thib ib yog npaj los ntawm 1 feem kua txiv thiab 1.5 ntu qab zib, uas yog, kom tau txais ib kilogram ntawm kua txiv npaj txhij, koj yuav tsum nqa 0.6 kilo piam thaj thiab kua txiv 0.4 phaus. Qhov thib ob (tsawg dua qab zib) yog npaj los ntawm 10 seem ntawm kua txiv thiab 9 seem ntawm qab zib; txhawm rau npaj kom tau ib tug tsib phaus ntawm kua txiv, koj yuav tsum nqa dej kom tsawg li 0.52 phaus kua txiv thiab 0.48 kilo qab zib.
Cov phoov cov dej uas tau npaj ua ntej raws li thawj daim ntawv qhia tuaj yeem nchuav kub (ntawm qhov kub txog 75 ° C) rau hauv cov hwj huv lossis lam fwj. Lawv yuav tsum tau muab kaw nrog cov txiav nres lossis lub hau kaw, tom qab ntawd tig mus rau sab hauv lub hau kom ua rau lub hau thiab huab cua nyob sab hauv.
Cov dej qab zib ua raws li daim ntawv qhia thib ob tsis tuaj yeem khaws cia ntev, vim lawv tuaj yeem sau los yog qaub. Xws li syrup yuav tsum tau sterilized. Nws yog kev cai los muab nws kub heev rau hauv lub hwj thiab cov hwj uas tau siv yav tas los ntxuav hauv dej npau (qhov dej tsawg kawg yog 85 ° C). Tom qab sau lub rhawv zeb nrog kua txiv, lawv yuav tsum tig mus rau kom tsis muaj hau lub hau. Tom qab 20-25 feeb, lawv yuav tsum rov qab los rau lawv txoj haujlwm li qub kom txias dua.
Nws yog tsim nyog sau cia tias cov phoov cov tshuaj tau npaj raws li daim ntawv qhia thib ob muaj ntau dua uas muaj ntxhiab thiab qaub, cov txheej txheem ua no haum rau cov txiv hmab txiv ntoo uas tsis txawv ntawm cov saj tshwj xeeb.
