General Properties
Carrageenan feem ntau yog dawb mus rau daj-xim av hmoov, tsw thiab saj tsis qab, thiab qee cov khoom muaj me ntsis seaweed tsw. Lub gel tsim los ntawm carrageenan yog thermoreversible, uas yog, nws melts mus rau hauv ib tug tov tom qab cua sov, thiab ua ib tug gel dua thaum cov tshuaj yog txias.
Physical thiab Chemical Properties
Carrageenan yog non-toxic thiab muaj cov yam ntxwv ntawm coagulation, solubility, stability, viscosity thiab reactivity. Yog li ntawd, nws tuaj yeem siv los ua coagulant, thickener, emulsifier, suspending agent, adhesive, molding agent thiab stabilizer hauv kev lag luam khoom noj khoom haus.
Kev siv hauv kev lag luam zaub mov
Carrageenan tau siv los ua khoom noj khoom haus ntuj tau ntau xyoo. Nws yog cov nroj tsuag tsis muaj teeb meem fiber ntau uas tuaj yeem pab zom zaub mov thiab muaj ntau yam kev siv. Kev lag luam ntawm carrageenan nyob rau txawv teb chaws pib nyob rau hauv 1920s, thiab Tuam Tshoj pib ua lag luam carrageenan nyob rau hauv 1985, ntawm uas 80% yog siv nyob rau hauv cov zaub mov los yog cov khoom noj khoom haus industries.
Carrageenan tuaj yeem tsim cov gels ib nrab. Nws yog ib qho zoo heev coagulant rau ua txiv hmab txiv ntoo jelly. Nws solidifies ntawm chav tsev kub. Cov gel tsim yog semi-tshuaj, pob tshab, thiab tsis yooj yim rau tawg. Nws kuj tseem siv tau los ntxiv cov as-ham los ua jelly hmoov. Thaum noj, nws yooj yim heev kom yaj nws hauv dej. Nws kuj tseem siv tau los ua coagulant rau mis nyuj pudding thiab txiv hmab txiv ntoo pudding. Nws muaj cov yam ntxwv ntawm kev tso dej tsawg, kev ntxhib los mos zoo, tsis muaj viscosity, thiab kev hloov hluav taws xob zoo. Thaum ua noj taum paste nrog yokan, carrageenan tuaj yeem ntxiv ua coagulant. Cov kaus poom txiv hmab txiv ntoo jelly ua nrog carrageenan ua ib coagulant yog yooj yim heev rau noj thiab nqa. Nws muaj cov txiv hmab txiv ntoo thiab muaj cov ntsiab lus zoo dua li cov txiv hmab txiv ntoo jelly. Carrageenan kuj tseem siv tau los ua cov coagulant rau cov nqaij hauv kaus poom, thiab tseem tuaj yeem siv los ua tus stabilizer, tshem tawm tus neeg sawv cev, tsim tus neeg sawv cev, clarifier, thickener, nplaum, thiab lwm yam.
Thaum ua pob tshab txiv hmab txiv ntoo mos khoom qab zib, yog carrageenan yog siv los ua coagulant, cov khoom qab zib mos muaj siab transparency, yog refreshing thiab tsis lo rau cov hniav. Ntxiv carrageenan rau cov khoom qab zib nyuaj tuaj yeem ua rau cov khoom zoo nkauj zoo nkauj thiab du, thiab ua kom muaj kev ruaj ntseg.
Daim ntawv thov kev cia siab
Carrageenan, ib yam khoom ntshiab, muaj cov khoom zoo xws li muaj zog reactivity, muaj peev xwm tsim gels thiab high-viscosity daws, thiab siab stability. Ntawm tag nrho cov dej-soluble polymers, nws yog qhov tshwj xeeb hauv nws cov reactivity nrog cov proteins. Txaus siab elasticity, pob tshab thiab solubility tuaj yeem nthuav nws daim ntawv thov ntau yam. Nws cov khoom muaj kev nyab xeeb thiab tsis muaj tshuaj lom tau raug lees paub los ntawm Pawg Neeg Txawj Ntse ntawm Cov Khoom Noj Khoom Noj (JECFA) ntawm Food and Agriculture Organization ntawm United Nations thiab World Health Organization, uas ntseeg tias carrageenan yuav tsum tau siv dav hauv kev lag luam zaub mov, Kev lag luam tshuaj lom neeg, biochemistry, kev tshawb fawb kho mob thiab lwm yam. Yog li ntawd, nyob rau hauv xyoo tas los no, carrageenan tau tsim sai heev hauv tsev thiab txawv teb chaws, thiab qhov kev thov tau nce siab heev. Nws txoj haujlwm tshwj xeeb tsis tuaj yeem hloov pauv los ntawm lwm cov resins, uas tau ua rau kev loj hlob sai ntawm kev lag luam carrageenan. Tam sim no tag nrho cov txiaj ntsig txhua xyoo ntawm carrageenan nyob rau hauv lub ntiaj teb tau dhau deb tshaj qhov tso zis ntawm agar.
Carrageenan yog thawj zaug siv dav hauv Tebchaws Europe thiab Tebchaws Meskas, thiab lub ntiaj teb kev tsim cov carrageenan nyob rau qib thib ob ntawm seaweed-extracted edible pos hniav. Nyob rau hauv xyoo tas los no, kuv lub teb chaws tau suav nrog carrageenan nyob rau hauv catalog ntawm cov khoom noj additives. Carrageenan kuj tau suav nrog hauv cov lus qhia noj zaub mov noj ntawm Food and Agriculture Organization of United Nations thiab World Health Organization. Nyob rau hauv luv luv, carrageenan ua tau raws li Suav thiab txawv teb chaws cov qauv zaub mov thiab muaj dav daim ntawv thov kev cia siab.
Hu rau:
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Post lub sij hawm: Nov-09-2024