Gelatin yog ib yam khoom xyaw uas siv tau ntau yam thiab tau ua lub luag haujlwm tseem ceeb hauv kev noj haus thiab kev lag luam tau ntau pua xyoo. Nws cov yam ntxwv tshwj xeeb ua rau nws tsis tseem ceeb hauv ntau yam kev siv. Txawm li cas los xij, tsis yog txhua yam gelatin yog tsim sib npaug. Hauv tsab blog no, peb yuav tshawb nrhiav qhov sib txawv tseem ceeb ntawm kev lag luam thiab cov gelatin noj tau, piav qhia txog lawv cov kev siv, cov yam ntxwv, thiab cov txheej txheem tsim khoom.
Cov gelatin noj tau, tseem hu ua gelatin qib zaub mov, yog tsim tshwj xeeb rau tib neeg noj. Nws yog siv los ua tus neeg sawv cev gelling los ntxiv cov qauv thiab elasticity rau ntau yam zaub mov.
Qhov chaw thiab kev ua tiav:
Cov gelatin noj tau yog los ntawm cov khoom lag luam zoo uas muaj collagen ntau, xws li npua lossis nyuj. Cov peev txheej no yog xaiv los ntawm cov tsiaj uas haum rau tib neeg noj. Txoj kev ua tiav suav nrog ntau theem ntawm kev rho tawm, kev lim dej thiab kev tua kab mob, kom ntseeg tau tias cov khoom kawg ua raws li cov cai kev nyab xeeb zaub mov nruj.
Lub zog thiab viscosity ntawm gel:
Txawm hais tias cov gelatin noj tau kuj muaj ntau yam zog thiab viscosities ntawm gel, feem ntau cov nqi qis dua piv rau cov gelatin kev lag luam. Lub zog qis dua no tso cai rau cov qauv gel mos dua, ua rau nws tsim nyog siv rau hauv jellies, khoom qab zib, marshmallows thiab lwm yam khoom noj khoom haus.
Cov kev siv ntawm cov gelatin noj tau:
Cov gelatin noj tau siv dav hauv kev lag luam khoom noj vim nws cov khoom tshwj xeeb, suav nrog:
- Khoom Qab Zib: Nws ua haujlwm ua tus neeg sawv cev gelling hauv cov khoom qab zib, marshmallows thiab cov khoom qab zib jelly, muab cov qauv thiab kev sib xws xav tau.
- Cov khoom noj mis nyuj: Gelatin siv rau hauv yogurt, ice cream, thiab whipped cream kom ruaj khov thiab txhim kho cov qauv.
- Mov ci thiab ncuav mog qab zib: feem ntau siv rau hauv kev tsim cov mousses, cov khoom sau thiab glazes los muab cov qauv du thiab zoo nkauj.
- Kev ua nqaij: Gelatin pab khaws thiab ntxiv cov dej noo rau cov nqaij ua tiav xws li sausages, pâtés thiab meatballs.
Cov kua nplaum lag luam, tseem hu ua gelatin kev lag luam, feem ntau yog siv rau hauv cov ntawv thov uas tsis yog khoom noj. Siv dav hauv tshuaj, tshuaj pleev ib ce, kev thaij duab, xim thiab lwm yam kev lag luam. Lub hom phiaj tseem ceeb ntawm gelatin kev lag luam yog los muab cov khoom khi lossis gelling rau cov tshuaj uas tsis xav tau rau tib neeg noj.
Qhov chaw thiab kev ua tiav:
Cov gelatin hauv kev lag luam feem ntau yog los ntawm cov khoom tsiaj uas tsis yog khoom noj xws li pob txha, cov taw thiab cov tawv tsiaj. Cov khoom no muaj collagen, cov protein tseem ceeb uas ua rau gelatin zoo li gel. Cov txheej txheem rho tawm suav nrog kev ntxuav thiab lim dej kom tshem tawm cov khoom tsis huv, ua rau cov khoom gelatin huv heev.
Lub zog thiab viscosity ntawm gel:
Yuav kom ua tau raws li lawv cov kev siv hauv kev lag luam, cov gelatins kev lag luam muaj ntau yam gel zog thiab viscosities. Cov chaw tsim khoom kho cov gel zog kom ua tau raws li cov kev xav tau tshwj xeeb los ntawm kev hloov kho cov txheej txheem ntau lawm lossis sib xyaw cov gelatins sib txawv. Cov gelatin kev lag luam feem ntau muaj cov gel zog thiab viscosity siab dua li cov gelatin noj tau, muab cov peev xwm khi zoo dua.
Cov ntawv thov ntawm kev lag luam gelatin:
Cov gelatin muaj ntau yam kev siv uas tsis yog khoom noj tau, suav nrog:
- Tshuaj: Nws ua haujlwm ua ib qho khoom sib txuas rau cov tshuaj ntsiav thiab cov tshuaj ntsiav, ua rau lawv yooj yim dua rau kev noj thiab muab kev ruaj khov.
- Tshuaj pleev ib ce: Cov gelatin hauv kev lag luam yog cov khoom xyaw uas siv ntau hauv ntau yam khoom zoo nkauj xws li cov khoom tu plaub hau, tshuaj pleev thiab tshuaj pleev vim nws cov khoom ua zaj duab xis thiab ua kom noo noo.
- Kev Thaij Duab: Gelatin yog qhov tseem ceeb rau kev tsim cov yeeb yaj kiab thaij duab, ua haujlwm ua cov khoom sib txuas rau cov khoom siv emulsions uas rhiab heev.
- Xim: Siv ua cov khoom ua kom tuab thiab cov stabilizers hauv kev tsim cov xim, cov tshuaj pleev xim thiab cov kua mem.
Lub sijhawm tshaj tawm: Lub Kaum Hli-11-2023
