Dab tsi yog qhov mechanism ntawm kev ua ntawm emulsifiers hauv dej khov?
Jun 21, 2021
Lub luag haujlwm ntawm emulsifiers hauv dej khov ua kua dej tsis yog nyob ntawm nws cov khoom emulsifying, tab sis ntawm nws lub peev xwm los ua cov roj / protein ntau. Emulsifiers yog qhov muaj txiaj ntsig zoo rau kev tsim kom muaj kev sib xyaw ua ke thiab sib sau ua ke ntawm cov rog rog, thiab yog qhov tseem ceeb rau qhov kev ua kom qhuav, zoo nkauj ntawm cov nqaij mos thiab qhov cuam tshuam los tiv thaiv muaj peev xwm ntawm lub khov thaum nws yog extruded.
Qhov cuam tshuam ntawm emulsifiers rau kev ua noj qab zib feem ntau suav nrog: emulsification, ua npuas ncauj, thiab kev txhim kho ntawm cov duab khaws cia.
1. Emulsification: ua cov homogenized rog globules tshwm sim hauv lub xeev zoo thiab ua kom ruaj khov rau lawv;
2. Ua npuas dej nyhuv: txhim kho cov foaming thiab nthuav dav tus sib tov;
3. Txhim kho qhov ua kom zoo dua qub: Cov emulsifier yog cov muaj zog nyob rau hauv cov npuas dej khov, uas muaj cov nyhuv ua kom ruaj khov thiab tiv thaiv kev ua kom sov. Nws tuaj yeem ua kom zoo dua thaum tshav kub tiv thaiv ntawm khov nyob rau hauv chav tsev kub, kom nws muaj peev xwm zoo dua tswj nws qhov kev hloov pauv thaum nws ruaj khov.
Thaum lub sijhawm ua cov kuab khov, cov dej noo ntawm cov dej khov rau cov dej khov hloov mus rau hauv cov dej khov zoo, thiab cov huab cua nkag mus rau qhov sib xyaw ua ke ua hom ua npuas me. Cov roj hauv qhov sib xyaw ua ke uas tsis muaj emulsifier tseem ua rau lub cev tawg thiab ua kom muaj txheej txheem, thaum lub sijhawm nws muaj cov emulsifier, cov roj ntsha ua rog Agglomeration los tsim cov txheej txheem peb-ntu ntawm lub network los ua lub cev pob txha ntawm lub mis nyuj khov. Cov dej ua kua dej khov yog kua roj-hauv-dej emulsion. Cov emulsifier tuaj yeem txo qhov nro ntawm cov roj-dej interface thiab tsim cov tshuab muaj zog cov roj nplaum tshaj tawm ntawm ob sab cuam tshuam, kom cov pa tawg ua kom sib cais ua cov txheej txheem ob txheej hauv hluav taws xob los tiv thaiv tib hom. Qhov kev faib tawm ntawm cov roj tawg ntawm cov theem sib tsoo los yog sib zog los txhim kho lub dispersibility ntawm cov rog, kom cov dej khov nab kuab hauv cov khoom tau muaj cov nplua nplej loj thiab cov ntaub du. Cov zaub mov tuab thiab emulsifiers nkag siab txhim kho kev ntxhib los mos ntawm gel txheej hauv dej khov, thiab tswj cov kev ruaj khov, kev ua kom ruaj khov, ruaj ruaj, melting tsis kam, deformation, softness, fineness, ntxhiab rov qab, lubricity thiab khaws cia ntawm dej khov. Puab.
