Iyini i-microcrystalline cellulose?
I-Microcrystalline cellulose (MCC), eyakhiwe ikakhulukazi i-β- I-polysaccharide eqondile ehlanganiswe ne-1,4-glucoside bond [1] iyimpushana eyikristale emhlophe, engenaphunga futhi engenakunambitheka eyakhiwa izinhlayiya ezinezimbobo ezimise okwenduku noma ezimise okwempushana. engageleza ngokukhululeka futhi ifake i-hydrolyze i-cellulose yemvelo ibe yizinga elilinganiselwe le-polymerization (LODP) ngemva kwe-dilute acid hydrolysis.
Ngokujwayelekile imicu yezitshalo, i-microcrystalline cellulose ibalelwa ku-70%, kanti enye i-30% i-amorphous. I-Microcrystalline cellulose isetshenziswa kabanzi kwezemithi, izimonyo, ukudla nezinye izimboni. Usayizi wezinhlayiyana ohlukile nokuqukethwe kwamanzi kunezici ezihlukile kanye nobubanzi bokusebenza.
I-microcrystalline cellulose itholakala ku-cellulose yesitshalo ngemva kwe-hydrolysis, futhi inqubo elinganisiwe yile: i-hydrolysis ye-dilute inorganic acid solution α- Cellulose, lapho i-α- Cellulose ingenziwa ku-pulp ye-cellulose yezitshalo ze-cellulosic. I-cellulose e-hydrolyzed iyahlungwa, ihlanzwe, futhi i-slurry iyafafazwa yomiswa ukuze yakhe izinhlayiya ezinama-porous ezinobukhulu bezinhlayiyana ezisakazwa kabanzi.
- Ukusetshenziswa okusebenzayo: i-adsorbent; I-ejenti yokumiswa; Ama-thinners amaphilisi nama-capsules; I-Disintegrator yamaphilisi
- Isigaba somkhiqizo: i-cellulose | ama-excipients emithi, izithasiselo zokudla
- Izakhiwo zomkhiqizo: impushana emhlophe noma ecishe ibe mhlophe, ayinaphunga futhi ayinambitheki. Lo mkhiqizo awuncibiliki emanzini, i-ethanol, i-acetone noma i-toluene.
- Inombolo ye-CAS: 9004-34-6
Umsebenzi we-microcrystalline cellulose
I-Microcrystalline cellulose ingakwazi ukuzinzisa i-foam ne-emulsion, ikakhulukazi ngesikhathi sokucubungula izinga lokushisa eliphezulu; Ukwakha ijeli nge-ointment texture; Ukuthuthukisa ukumelana nokushisa kwe-pectin nejeli isitashi; Thuthukisa ukunamathela; Shintsha amafutha namafutha futhi ulawule ukukhula kwekristalu yeqhwa. Isizathu sokuthi kungani i-microcrystalline cellulose ikwazi ukuzinzisa i-emulsion negwebu ukuthi i-microcrystalline cellulose ikhangiswe kusixhumi esibonakalayo futhi iqinisa imaski yobuso bomngcele. I-Microcrystalline cellulose iyisithako esivamile ku-ayisikhilimu onamafutha amancane neminye imikhiqizo yophudingi oluqandisiwe.
Embonini yezemithi, i-microcrystalline cellulose ivame ukusetshenziswa njenge-adsorbent, i-suspension aid, i-diluent kanye ne-disintegrant. I-Microcrystalline cellulose isetshenziswa kabanzi ekulungiseleleni imithi, ikakhulukazi njenge-diluent ne-adhesive kumaphilisi omlomo namaphilisi. Ingasetshenziselwa kuphela i-granulation emanzi kodwa futhi nokucindezela okuqondile kwethebhulethi okomile. Ibuye ibe nemiphumela ethile yokugcoba nokuhlakaza, okuwusizo kakhulu ekulungiseleleni amaphilisi. Inezinzuzo ezilandelayo ngaphezu kokuphuma kwesitashi noma isitashi:
(1) Kulula ukuhlakazeka, okungukuthi, umuthi kulula ukuhlakazeka ngemva kokungena esiswini futhi udonswa ngumzimba.
(2) Akulula ukukhunta ngenxa yokuthi i-cellulose iwuhlobo lwe-β A lokucushwa kweglucose, kuyilapho isitashi singesokucushwa koHlobo luka-α. Ngokuvamile, i-amylase ayihlaseli i-cellulose.
(3) I-cellulose ayimuncwa umzimba womuntu, futhi akulula ukusabela emithini elayishiwe, ngakho iphephe kakhudlwana. Ububi bayo ukuthi intengo isehlangothini eliphezulu.
Ukusetshenziswa kwe-microcrystalline cellulose
Embonini yokudla, i-microcrystalline cellulose iyisisekelo sokudla esisebenzayo - i-fiber yokudla, okuyisithasiselo sokudla sezempilo esifanele. Ingakwazi ukugcina ukuzinza kwe-emulsification kanye ne-foam; Ingakwazi ukugcina ukuzinza kwezinga lokushisa eliphezulu futhi ithuthukise ukuzinza koketshezi, futhi ingasetshenziswa njengesengezo sokudla okunomsoco kanye nokuqina. Imikhiqizo eminingi yenyama, ukudla okuqandiswe ngokushesha kanye ne-ayisikhilimu yengezwa.
Embonini yezimonyo, i-microcrystalline cellulose isetshenziswa njengento yokuhlanganisa yezimonyo ezinhlobonhlobo, ukwelashwa kwesikhumba kanye nemikhiqizo yokunakekelwa, kanye nokukhiqizwa kwezinto zokuhlanza. Ihlanganisa imisebenzi yokugcwalisa, ukuqina kanye ne-emulsification, futhi inekhono elihle lokuhlanganisa izinto ezinamafutha.
Isikhathi sokuthumela: Mar-16-2023