HPMC excipient yog dab tsi?

Hydroxypropyl methylcellulose (HPMC) yog ib qho excipient siv nyob rau hauv kws tshuaj thiab khoom noj khoom haus. Nws yog ib tug hluavtaws polymer muab tau los ntawm cellulose thiab yog siv los ua ib tug thickening tus neeg saib xyuas, stabilizer, emulsifier, thiab suspending agent. HPMC yog cov hmoov dawb, tsis muaj ntxhiab, tsis qab, uas yog soluble hauv dej txias thiab insoluble hauv dej kub. Nws tseem hu ua hypromellose thiab siv ntau yam kev siv, suav nrog tshuaj, khoom noj, tshuaj pleev ib ce, thiab cov khoom lag luam.

HPMC yog non-ionic, dej-soluble polymer uas yog siv los tsim gels, thicken solutions, thiab stabilize emulsions. Nws yog ib qho khoom siv ntau yam uas tuaj yeem siv rau ntau hom kev tsim, nrog rau cov ntsiav tshuaj, tshuaj ntsiav, tshuaj pleev, tshuaj pleev, thiab tshuaj ncua. HPMC kuj tseem siv los ua cov tshuaj pleev xim rau cov ntsiav tshuaj thiab cov tshuaj ntsiav, ua ib qho emulsifier hauv cov tshuaj pleev thiab cov tshuaj pleev, thiab ua kom muaj zog hauv kev ncua.

HPMC yog ib qho kev nyab xeeb thiab siv tau zoo uas tau pom zoo los ntawm US Food and Drug Administration (FDA) rau kev siv tshuaj thiab khoom noj khoom haus. Nws yog non-toxic thiab non-irritating, thiab tsis muaj tej yam kev mob tshwm sim. HPMC kuj tsis yog-allergenic, ua rau nws yog ib qho khoom noj khoom haus rau cov tib neeg rhiab heev.

HPMC yog ib qho khoom siv tau txais txiaj ntsig zoo uas tuaj yeem siv rau ntau hom kev tsim. Nws kuj yog ib qho yooj yim mus use, raws li nws yog soluble nyob rau hauv dej txias thiab yuav muab tau yooj yim incorporated rau hauv formulations. HPMC kuj tseem ruaj khov thiab muaj lub neej txee ntev, ua rau nws tsim nyog rau kev khaws cia ntev.

Zuag qhia tag nrho, HPMC yog ib qho khoom siv ntau yam uas siv rau hauv ntau yam khoom siv tshuaj thiab khoom noj. Nws muaj kev nyab xeeb, ua tau zoo, thiab tus nqi tsim nyog, thiab tuaj yeem siv rau hauv ntau hom qauv. HPMC kuj tseem siv tau yooj yim thiab muaj lub neej txee ntev, ua rau nws tsim nyog rau kev khaws cia ntev.