Tshem tawm cov piam thaj los ntawm cov txiv pos nphuab qhuav yog ib txoj haujlwm nyuaj vim hais tias qab zib yog ib qho khoom xyaw ntuj ntawm cov txiv hmab txiv ntoo, thiab cov txheej txheem ziab kom nws concentrates. Thaum nws tsis tuaj yeem tshem tawm cov suab thaj kom tiav, muaj qee txoj hauv kev uas koj tuaj yeem siv los txo cov suab thaj hauv cov txiv pos nphuab qhuav:
Xaiv Cov Qe Qab Zib Ntau Yam: Pib los ntawm kev xaiv strawberry ntau yam uas muaj suab thaj qis dua. Qee cov strawberry cultivars ib txwm muaj cov suab thaj qis dua li lwm tus.
Kev kho mob ua ntej nrog dej lossis citric acid: Ua ntej cov txheej txheem ziab, koj tuaj yeem kho cov txiv pos nphuab los ntawm soaking lawv hauv dej lossis citric acid daws. Qhov kev kho ua ntej no tuaj yeem pab tshem tawm qee cov suab thaj soluble. Txawm li cas los xij, ceev faj nrog cov concentration ntawm cov tshuaj kom tsis txhob hloov cov saj ntau dhau.
Blanching: Luv luv blanching strawberries nyob rau hauv boiling dej yuav pab tshem tawm ib co suab thaj. Txawm li cas los xij, blanching tuaj yeem cuam tshuam qhov kev ntxhib los mos ntawm cov txiv hmab txiv ntoo, yog li nws yog ib qho tseem ceeb kom nrhiav tau qhov sib npaug.
Enzymatic Treatment: Enzymes tuaj yeem siv los rhuav tshem cov suab thaj hauv cov txiv pos nphuab ua ntej ziab. Piv txwv li, Invertase tuaj yeem hydrolyze sucrose rau hauv qabzib thiab fructose. Ua tib zoo tswj cov mob enzymatic yog tsim nyog los tswj qhov zoo ntawm strawberries.
Chav Blanching: Chav blanching yog ib txoj hauv kev yooj yim rau cov tsoos blanching thiab tuaj yeem pab txo cov suab thaj thaum khaws cov txiv hmab txiv ntoo.
Osmotic Lub cev qhuav dej: Osmotic lub cev qhuav dej suav nrog immersingstrawberriesnyob rau hauv ib qho kev daws teeb meem hypertonic, xws li qab zib lossis syrup tov. Cov txheej txheem no tuaj yeem tshem tawm qee cov suab thaj, tab sis nws kuj qhia cov suab thaj ntxiv los ntawm cov tshuaj osmotic.
Kev siv cov piam thaj hloov pauv: xav txog kev siv cov piam thaj hloov pauv xws li erythritol, stevia, lossis txiv tsawb txiv ntoo extract thaum lub sijhawm ziab. Cov kev xaiv no tuaj yeem muab cov khoom qab zib yam tsis muaj cov ntsiab lus qab zib zoo ib yam li sucrose lossis fructose.
Hydrolysis: Hydrolysis tuaj yeem zom cov suab thaj nyuaj rau hauv cov ntaub ntawv yooj yim. Acid hydrolysis, piv txwv li, tuaj yeem zom sucrose rau hauv qabzib thiab fructose. Kev tswj xyuas zoo ntawm hydrolysis tej yam kev mob yog qhov tseem ceeb los tiv thaiv kev hloov pauv tsis zoo hauv qhov tsw thiab kev ntxhib los mos.
Tswj Kev Ua Kom Qhuav: Kho qhov kub thiab lub sijhawm ntawm cov txheej txheem ziab kom cuam tshuam cov concentration ntawm cov suab thaj. Txo qhov ziab kom qhuav tuaj yeem pab khaws ntau cov suab thaj hauv cov txiv pos nphuab.
Kev sib xyaw ntawm cov txheej txheem: Feem ntau, kev sib xyaw ua ke ntawm cov txheej txheem ua tau zoo dua. Kev sim nrog cov kev kho ua ntej sib txawv, cov txheej txheem enzymatic, thiab cov txheej txheem ziab kom pom cov kev pom zoo kom txo cov suab thaj thaum tswj kom zoo.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov txheej txheem no yuav tsis tshem tawm cov suab thaj tag nrho, thiab tej zaum yuav muaj kev lag luam tawm ntawm kev saj, kev ntxhib los mos, thiab tag nrho qhov zoo. Tsis tas li ntawd, qhov cuam tshuam ntawm txee lub neej thiab kev ruaj ntseg yuav tsum tau xav txog.
Ua ntej siv ib qho ntawm cov txheej txheem no rau ntawm qhov loj dua, nws raug nquahu kom ua qhov kev sim me me kom nkag siab tias txhua qhov txheej txheem cuam tshuam li cas.qhuav strawberries. Qhov no yuav pab koj kho cov txheej txheem kom ua tiav qhov xav tau txo qis hauv cov ntsiab lus qab zib yam tsis muaj kev cuam tshuam qhov kev thov ntawm cov khoom.
