HPMC (HydroxyPropyyl methylcellulose)yog cov khoom siv uas nquag siv hauv cov tshuaj ntsuab hauv cov tshuaj ntsuab (tawv thiab muag muag muag) nrog ntau yam zoo.
1. Biocompatibility
HPMC yog lub ntuj cog cellulose derivative uas muaj biocompatibility zoo tom qab tshuaj kho tshuaj. Nws yog qhov sib luag nrog lub cev ib puag ncig ntawm tib neeg lub cev thiab tuaj yeem txo qis kev pheej hmoo ntawm kev ua xua. Yog li ntawd, feem ntau nws siv tau hauv kev tso tshuaj, tshwj xeeb tshaj yog hauv cov tshuaj uas yuav tsum tau ua kom ntev. HPMC cov khoom muaj tsawg dua rau lub plab zom mov, yog li nws muaj kev nyab xeeb kom muaj kev nyab xeeb tshuaj, tshwj xeeb tshaj yog muab tshuaj tso tawm yeeb tshuaj.
2. Cov khoom tso tawm tau yooj yim
HPMCtuaj yeem tswj nws txoj kev ruaj ntseg hauv cov chaw sib txawv (dej thiab pH), yog li nws yog qhov haum rau kev tswj hwm cov tshuaj tso tawm. Hauv cov tshuaj ntsuab gel ntsiav tshuaj, cov khoom ntawm HPMC tuaj yeem hloov kho nws cov qib ntawm hydroxyprodation, ua rau kev xaiv qhov kev tso tawm ntawm kev tshem tawm tshuaj. Nws tuaj yeem ncua cov tshuaj tso tawm los ntawm kev sib sau txheej txheej hydrated, kom cov tshuaj sib txawv, kom cov tshuaj sib txawv thiab nce cov neeg mob kom ua raws li cov neeg mob.
3. Tsis muaj tsiaj keeb kwm, haum rau cov zaub noj
Tsis zoo li ib txwm gelatin tsiav tshuaj, HPMC yog cog-muab tau thiab yog li ntawd tsis muaj cov tshuaj ntsuab, ua rau nws txoj kev ntseeg muaj taboos ntawm cov khoom xyaw tsiaj. Tsis tas li ntawd, HPMC cov tsiav tshuaj tseem pom tias yog kev xaiv ib puag ncig ntau ntxiv vim tias lawv cov txheej txheem tsim khoom yog ib puag ncig yog ib puag ncig yog ib puag ncig yog cov tsiaj txhu.
4. Zaj duab xis zoo-tsim cov khoom
HPMCMuaj cov solubility zoo hauv dej thiab tuaj yeem ua cov khaub ncaws zoo nkauj gel zaj duab xis. Qhov no tso cai HPMC los ua lub luag haujlwm tseem ceeb hauv kev tsim cov yeeb yaj kiab sab nraud ntawm cov tshuaj ntsiav. Piv nrog rau lwm cov ntaub ntawv, kev tsim ntawm HPMC zaj duab xis yog smoother thiab ntau ruaj khov, thiab tsis yooj yim cuam tshuam los ntawm av noo hloov. Nws tuaj yeem tiv thaiv cov tshuaj muaj nyob hauv cov tshuaj ntsiav ntawm cov tshuaj ntsiav los ntawm kev cuam tshuam los ntawm sab nraud ib puag ncig thiab txo cov tshuaj sab nraud thiab txo cov yeeb tshuaj.
5. Tswj cov ruaj khov ntawm cov tshuaj
HPMC muaj qhov zoo noo noo tsis kam thiab tuaj yeem tiv thaiv cov tshuaj los ntawm kev nqus dej noo hauv cov tshuaj ntsiav, Li cov tshuaj ruaj khov ntawm lub neej ntawm cov tshuaj. Piv nrog gelatin tsiav tshuaj, HPMC cov tsiav tshuaj muaj feem ntau yuav nqus tau dej, yog li lawv muaj kev ruaj khov zoo dua, tshwj xeeb hauv cov chaw siab ntub.
6. Txo solubility thiab qeeb qeeb tso tus nqi
HPMC muaj cov solubility qis hauv plab zom mov, uas ua rau nws yaj qeeb qeeb hauv lub plab, yog li nws tuaj yeem tsim nyog rau kev npaj cov tshuaj muaj kev tiv thaiv. Piv nrog gelatin tsiav tshuaj, HPMC cov tsiav tshuaj muaj lub sijhawm sib npaug ntev dua, uas tuaj yeem ua kom cov tshuaj tso tawm ntau dua hauv cov hnyuv lossis lwm qhov chaw.
7. Siv tau rau ntau yam yeeb tshuaj npaj
HPMC tau sib haum nrog ntau yam tshuaj muaj tshuaj. Seb nws puas yog cov siv tshuaj, kua tshuaj, lossis cov tshuaj tsis zoo, lawv tuaj yeem cuam tshuam nrog HPMC cov ntsiav tshuaj. Tshwj xeeb tshaj yog thaum encapsulating roj-soluble yeeb tshuaj, HPMC cov tsiav tshuaj muaj kev tiv thaiv zoo dua thiab kev tiv thaiv cov tshuaj.
8. Tsawg dua kev ua xua thiab cov kev mob tshwm sim
Piv nrog gelatin tsiav tshuaj, HPMC muaj qhov qis dua ntawm kev fab tshuaj tsis haum, ua rau cov neeg xaiv zoo tshaj plaws rau cov neeg uas rhiab cov tshuaj muaj tshuaj. Txij li thaum HPMC tsis muaj cov tsiaj protein, nws txo cov teeb meem ua xua tshwm sim los ntawm cov neeg muaj cov tsiaj txhu uas muaj feem xyuam rau cov neeg mob uas ua xua rau Gelatin.
9. Yooj yim tsim thiab cov txheej txheem
Cov txheej txheem ntau lawm ntawm HPMC yog qhov yooj yim thiab tuaj yeem nqa tawm ntawm chav tsev kub thiab siab. Compared with gelatin, the production process of HPMC capsules does not require complex temperature control and drying processes, saving production costs. Tsis tas li ntawd, HPMC cov tsiav tshuaj muaj cov khoom siv zoo muaj zog thiab tawv, thiab haum rau kev tsim khoom loj.
10. Transparency thiab tsos
HPMC cov tsiav tshuaj muaj qhov zoo transparency, yog li cov tsos ntawm cov tsiav tshuaj zoo nkauj dua, uas tseem ceeb tshaj plaws rau qee cov tshuaj uas xav tau pob tshab. Piv nrog cov tsoos gelatin tsiav tshuaj, HPMC cov tsiav tshuaj muaj cov tshuaj hauv cov ntsiav tshuaj hauv cov ntsiav tshuaj, pub cov neeg mob kom nkag siab cov ntsiab lus ntawm cov tshuaj ntau intuitively.
Kev sivHPMCHauv cov tshuaj pleev pob zeb muaj ntau qhov zoo, suav nrog kev tawm tsam biocompatibic, haum rau cov zaub, thiab kev ua yeeb yam zoo nkauj tsim cov yam ntxwv. Yog li ntawd, nws yog dav siv hauv kev lag luam kws tshuaj, tshwj xeeb tshaj yog nyob rau hauv kev tso tawm tshuaj, tshwj xeeb tshaj yog muab tshuaj npaj rau kev npaj tshuaj thiab cov nroj tsuag uas npaj tshuaj. Nrog rau kev tiv thaiv nce ntxiv rau kev tiv thaiv kev noj qab haus huv thiab ib puag ncig, kev ua lag luam ntawm HPMC cov tsiav tshuaj tau dhau los ua ntau dua thiab dav dav.
Lub Sijhawm Post: Nov-28-2024