Tau kawg, kuv tuaj yeem muab qhov sib piv tob ntawm carboxymethylcellulose (CMC) thiab xanthan gum. Ob qho tib si feem ntau siv rau hauv ntau yam lag luam, tshwj xeeb tshaj yog hauv cov khoom noj, tshuaj thiab tshuaj pleev ib ce, ua cov khoom ua kom tuab, cov khoom ruaj khov thiab cov khoom ua kom emulsifiers. Yuav kom npog cov ncauj lus kom meej, kuv yuav faib qhov kev sib piv ua ntau ntu:
1. Cov qauv tshuaj lom neeg thiab cov khoom:
CMC (carboxymethylcellulose): CMC yog ib qho derivative ntawm cellulose, ib qho polymer uas tshwm sim ntuj tsim nyob rau hauv cov nroj tsuag cell phab ntsa. Carboxymethyl pawg (-CH2-COOH) raug qhia rau hauv cellulose backbone los ntawm cov txheej txheem tshuaj lom neeg. Qhov kev hloov kho no muab cellulose dej solubility thiab txhim kho kev ua haujlwm, ua rau nws haum rau ntau yam kev siv.
Xanthan gum: Xanthan gum yog ib qho polysaccharide uas tsim los ntawm kev fermentation ntawm Xanthomonas campestris. Nws yog tsim los ntawm cov chav rov ua dua ntawm glucose, mannose, thiab glucuronic acid. Xanthan gum yog lub npe hu rau nws cov khoom zoo heev thickening thiab stabilizing, txawm tias nyob rau hauv qis concentration.
2. Cov Haujlwm thiab Daim Ntawv Thov:
CMC: CMC siv dav ua cov khoom ua kom tuab, ruaj khov thiab khi rau hauv cov khoom noj xws li ice cream, salad dressings thiab cov khoom ci. Nws kuj tseem siv rau hauv cov tshuaj, cov tshuaj ntxuav thiab cov khoom siv tu tus kheej vim nws cov khoom ua kom viscosity thiab khaws dej. Hauv cov ntawv thov zaub mov, CMC pab txhim kho cov qauv, tiv thaiv kev sib cais dej thiab txhim kho qhov ncauj.
Xanthan Gum: Xanthan gum paub txog nws cov peev xwm ua kom tuab thiab ruaj khov zoo heev hauv ntau yam khoom, suav nrog cov kua ntses, cov khoom hnav khaub ncaws, thiab lwm yam khoom siv mis nyuj. Nws muab kev tswj hwm viscosity, cov khoom khov kho thiab txhim kho cov qauv ntawm cov khoom noj. Tsis tas li ntawd, xanthan gum siv rau hauv cov qauv tshuaj pleev ib ce, cov kua dej drilling, thiab ntau yam kev siv hauv kev lag luam vim nws cov khoom rheological thiab tiv taus kev hloov pauv hauv qhov kub thiab pH.
3. Kev yaj thiab kev ruaj khov:
CMC: CMC yaj tau hauv dej txias thiab dej kub, ua rau cov kua ntshiab lossis me ntsis tsis pom tseeb nyob ntawm qhov concentration. Nws muaj kev ruaj khov zoo hla ntau yam pH thiab sib xws nrog feem ntau lwm cov khoom xyaw zaub mov.
Xanthan Gum: Xanthan gum yaj tau hauv dej txias thiab dej kub thiab tsim cov kua nplaum. Nws tseem ruaj khov ntawm ntau yam pH thiab tswj nws txoj haujlwm nyob rau hauv ntau yam kev ua haujlwm, suav nrog qhov kub siab thiab lub zog shear.
4. Kev sib koom tes thiab kev sib haum xeeb:
CMC: CMC tuaj yeem cuam tshuam nrog lwm cov hydrophilic colloids xws li guar gum thiab locust bean gum los tsim cov nyhuv synergistic thiab txhim kho tag nrho cov qauv thiab kev ruaj khov ntawm cov khoom noj. Nws yog sib xws nrog feem ntau cov khoom noj khoom haus additives thiab cov khoom xyaw.
Xanthan gum: Xanthan gum kuj muaj cov teebmeem synergistic nrog guar gum thiab locust bean gum. Nws yog sib xws nrog ntau yam khoom xyaw thiab cov khoom ntxiv uas feem ntau siv rau hauv cov khoom noj thiab kev siv hauv kev lag luam.
5. Tus nqi thiab muaj:
CMC: CMC feem ntau pheej yig dua piv rau xanthan gum. Nws yog tsim thiab muag los ntawm ntau lub tuam txhab tsim khoom thoob plaws ntiaj teb.
Xanthan Gum: Xanthan gum feem ntau kim dua CMC vim yog cov txheej txheem fermentation uas koom nrog hauv nws cov khoom tsim tawm. Txawm li cas los xij, nws cov khoom tshwj xeeb feem ntau ua rau nws tus nqi siab dua, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov uas xav tau cov peev xwm thickening thiab stabilizing zoo dua.
6. Kev Xav Txog Kev Noj Qab Haus Huv thiab Kev Nyab Xeeb:
CMC: CMC feem ntau lees paub tias muaj kev nyab xeeb (GRAS) los ntawm cov koom haum tswj hwm xws li FDA thaum siv raws li Kev Ua Haujlwm Zoo (GMP). Nws tsis muaj tshuaj lom thiab tsis ua rau muaj kev pheej hmoo loj rau kev noj qab haus huv thaum noj kom tsawg.
Xanthan gum: Xanthan gum kuj suav tias muaj kev nyab xeeb rau kev noj thaum siv raws li qhia. Txawm li cas los xij, qee tus neeg yuav muaj kev tsis xis nyob hauv plab lossis ua xua rau xanthan gum, tshwj xeeb tshaj yog thaum muaj ntau dhau. Yuav tsum ua raws li cov lus qhia siv thiab sab laj nrog tus kws kho mob yog tias muaj kev tsis haum tshuaj tshwm sim.
7. Kev cuam tshuam rau ib puag ncig:
CMC: CMC yog los ntawm cov khoom siv rov ua dua tshiab (cellulose), yog biodegradable, thiab yog tus phooj ywg ib puag ncig piv rau cov khoom siv thickeners thiab stabilizers.
Xanthan gum: Xanthan gum yog tsim los ntawm kev ua kom cov kab mob fermentation, uas xav tau ntau yam khoom siv thiab lub zog. Txawm hais tias nws yog biodegradable, cov txheej txheem fermentation thiab cov tswv yim cuam tshuam yuav muaj qhov chaw ib puag ncig siab dua piv rau CMC.
Carboxymethylcellulose (CMC) thiab xanthan gum ob leeg muaj cov txiaj ntsig tshwj xeeb thiab yog cov khoom siv ntxiv rau ntau yam lag luam. Kev xaiv ntawm ob qho no nyob ntawm seb yuav tsum tau siv li cas, kev xav txog tus nqi thiab kev ua raws li txoj cai. Txawm hais tias CMC paub txog nws qhov kev hloov pauv tau yooj yim, kev siv nyiaj tau zoo, thiab kev sib haum xeeb nrog lwm cov khoom xyaw, xanthan gum sawv tawm rau nws cov khoom ua kom tuab, ruaj khov, thiab rheological zoo dua. Tus nqi siab dua. Thaum kawg, cov chaw tsim khoom yuav tsum ua tib zoo ntsuas cov yam no kom txiav txim siab qhov kev xaiv zoo tshaj plaws rau lawv cov khoom.
Lub sijhawm tshaj tawm: Lub Ob Hlis-21-2024