Chaza:
Izakhi zokudla eziquketheama-ether e-cellulose
Insimu yobuchwepheshe:
Lo mbono osunguliwe uhlobene nokwakheka kokudla okuqukethe ama-cellulose ether.
Isizinda sobuchwepheshe:
Sekuyisikhathi eside kwaziwa ngokufaka ama-cellulose ethers ezinhlakeni zokudla, ikakhulukazi ezinhlakeni zokudla ezicutshungulwayo, ukuthuthukisa izakhiwo ezahlukahlukene ezifana nokuqina kokuqandisa kanye/noma ukuthungwa, noma ukuthuthukisa ukuqina ngesikhathi sokukhiqiza, okucutshungulwa ngomshini noma okuthosiwe. Isicelo selungelo lobunikazi laseBrithani i-GB 2 444 020 sidalula izakhiwo zokudla ezinjalo eziqukethe i-nonionic cellulose ether efana ne-methylcellulose, i-hydroxypropyl cellulose, noma i-hydroxypropyl methylcellulose. I-Methylcellulose kanye ne-hydroxypropyl methylcellulose "zinezakhiwo ze-thermos eziguqulwayo". Kuchazwa ngokuqondile ukuthi lapho isisombululo samanzi se-methylcellulose noma i-hydroxypropyl methylcellulose sishiswa, iqembu le-hydrophobic methoxy elitholakala ku-molecule liyaphelelwa amanzi, futhi liba ijeli yamanzi. Ngakolunye uhlangothi, lapho ijeli elivelayo lipholiswa, amaqembu e-hydrophobic methoxy ayabuyiselwa amanzi, lapho ijeli libuyela esixazululweni samanzi sokuqala.
I-European Patent EP I 171 471 iveza i-methylcellulose ewusizo kakhulu ezinhlotsheni zokudla okuqinile njengemifino eqinile, inyama, kanye nama-soybean patties ngenxa yamandla ayo ejeli akhuphukile. I-methylcellulose inikeza ukuqina okuthuthukisiwe kanye nokuhlangana kokwakheka kokudla okuqinile, ngaleyo ndlela inikeze umuzwa omuhle wokulunywa kubathengi abadla ukwakheka kokudla okucutshunguliwe. Uma incibilikiswa emanzini abandayo (isb., 5°C noma ngaphansi) ngaphambi noma ngemva kokuhlanganiswa nezinye izithako zokwakheka kokudla, i-methylcellulose soy ifinyelela amandla ayo aphelele okuhlinzeka ngezinhlotsheni zokudla okuqinile ngokuqina okuhle kanye nokuhlangana.
Kodwa-ke, kwezinye izimo, ukusetshenziswa kwamanzi abandayo akulungile kumkhiqizi wokwakheka kokudla. Ngakho-ke, kungaba kuhle ukuhlinzeka ngama-ether e-cellulose ahlinzeka ngokuhlanganiswa kokudla okuqinile ngokuqina okuhle nokubumbana ngisho nalapho ama-ether e-cellulose encibilikiswa emanzini anokushisa kwegumbi cishe.
I-hydroxyalkyl methylcellulose efana ne-hydroxypropyl methylcellulose (eyaziwa nangokuthi iwusizo ekudleni) yaziwa ngokuba ne-modulus yokugcina ephansi uma kuqhathaniswa ne-methylcellulose. Ama-hydroxyalkyl methylcellulose abonisa i-modulus yokugcina ephansi awakhi ama-gel aqinile. Ukugxila okuphezulu kuyadingeka kuma-gel abuthakathaka ngisho nakwabanye (Haque, A; Richardson; Morris, ER, Gidley, MJ noCaswell, DC ku-Carbohydrate Polymers22 (1993) ikhasi 175; kanye no-Haque, A no-Morris, ER1nCarbohydrate Polymers22 (1993) ikhasi 161).
Uma ama-hydroxyalkyl methylcellulose afana ne-hydroxypropyl methylcellulose (abonisa i-modulus yokugcina ephansi) efakwa ezinhlanganisweni zokudla okuqinile, ubulukhuni bawo kanye nokuhlangana kwawo akuphakeme ngokwanele kwezinye izinhlelo zokusebenza.
Kuyinhloso yalolu shintsho ukuhlinzeka nge-hydroxyalkyl methylcellulose, ikakhulukazi i-hydroxypropyl methylcellulose, efana nama-hydroxyalkyl methylcellulose aziwayo, njenge-hydroxypropyl methylcellulose Ngokuphambene nalokho, ukwakheka kokudla okuqinile kunikezwa ukuqina okuthuthukisiwe kanye/noma ukuhlangana.
Inhloso ekhethwayo yalolu shintsho ukuhlinzeka nge-hydroxyalkyl methylcellulose, ikakhulukazi i-hydroxypropyl methylcellulose, ehlinzeka ngokuhlanganiswa kokudla okuqinile okunobulukhuni obuhle kanye/noma ukuhlangana ngisho nalapho i-hydroxyalkyl methylcellulose. Kunjalo nalapho incibilikiswa emanzini anokushisa kwegumbi.
Ngokumangalisayo, kutholakale ukuthii-hydroxyalkyl methylcelluloseUma kuqhathaniswa nezinhlobo zokudla okuqinile, izinhlobo zokudla okuqinile ezaziwayo zinobulukhuni obukhulu kanye/noma ukuhlangana.
Futhi ngokumangalisayo, kutholakale ukuthi amanye ama-hydroxyalkyl methylcellulose, ikakhulukazi i-hydroxypropyl methylcellulose, akudingeki ancibilikiswe emanzini abandayo ukuze anikeze ukwakheka kokudla okuqinile okuqinile kanye/noma okuhlangene kahle.
Isikhathi sokuthunyelwe: Ephreli-28-2024