Kugwiritsa ntchito HPMC mumakampani opanga mankhwala

Hydroxypropyl methylcellulose (HPMC)ndi ether ya cellulose yosakhala ionic yopangidwa kuchokera ku cellulose yachilengedwe ya polymer mwa kusintha kwa mankhwala. Ili ndi kusungunuka kwabwino, kuyanjana kwa biochemical komanso mphamvu zopangira filimu. Chifukwa cha chitetezo chake chachikulu komanso poizoni wochepa, imagwiritsidwa ntchito kwambiri mumakampani opanga mankhwala ngati chowonjezera pa piritsi, chinthu chotulutsa nthawi zonse, chophikira, zinthu za kapisozi, ndi zina zotero, ndipo imagwira ntchito yofunika kwambiri popanga zinthu zolimba, zopangira zamadzimadzi ndi zopangira zowongolera.

1. Kugwiritsa ntchito HPMC m'mapiritsi

Monga chomangira

Pamene HPMC imagwiritsidwa ntchito ngati chomangira m'mapiritsi, nthawi zambiri imawonjezeredwa mu mawonekedwe a madzi kapena madzi a mowa, zomwe zingathandize bwino kulimbitsa mphamvu yolumikizana pakati pa ufa wa mankhwala, motero zimawonjezera kuuma ndi kukana kwa mapiritsi. Nthawi yomweyo, imathanso kukulitsa kusinthasintha ndi magwiridwe antchito a mapiritsi, ndikuwonetsetsa kuti mapiritsiwo ali ofanana komanso ali ndi mawonekedwe ofanana.

Monga wopatukana

Ngakhale kuti HPMC ili ndi kukhuthala kwinakwake, imakhala ndi kutupa bwino komanso kuyamwa madzi pamlingo wochepa wa kukhuthala, imatha kuyamwa madzi am'mimba kapena madzi mwachangu, ndikulimbikitsa kusungunuka kwa mapiritsi atatha kukula. Chifukwa chake, kukhuthala kochepa kwa HPMC nthawi zambiri kumagwiritsidwanso ntchito ngati kusungunuka m'makonzedwe otulutsa mwachangu.

Chigoba chotulutsidwa molamulidwa

HPMC imatha kupanga gel wosanjikiza mu madzi am'mimba kuti ichepetse kuchuluka kwa madzi ndi mankhwala. Chifukwa chake, imagwiritsidwa ntchito kwambiri pokonza mapiritsi otulutsidwa nthawi zonse, mapiritsi otulutsidwa molamulidwa ndi mankhwala ena olimba pakamwa. Nthawi zambiri imagwiritsidwa ntchito limodzi ndi ma polima ena okonda madzi (monga PVP, carbomer, ndi zina zotero) kuti apange dongosolo lokhazikika la mafupa otulutsidwa ndi mankhwala.

2. Kugwiritsa ntchito HPMC mu piritsi lopaka utoto

HPMC ili ndi mphamvu zabwino zopangira filimu komanso mawonekedwe ake ndipo ndi imodzi mwa zipangizo zomwe zimagwiritsidwa ntchito kwambiri popanga utoto wa piritsi. Poyerekeza ndi utoto wa shuga wachikhalidwe kapena utoto wa polima wosungunuka m'madzi, filimu ya HPMC ili ndi ubwino wotsatira:

Kupanga filimu mwachangu, kosalala komanso kokongola;

Kutulutsa kosinthika;

Chitetezo chabwino cha mapiritsi, chosanyowa komanso choletsa okosijeni;

Ingagwiritsidwe ntchito pamodzi ndi mapulasitiki osiyanasiyana (monga PEG, triacetin, ndi zina zotero) kuti isinthe kusinthasintha kwa gawo la filimu;

Amasungunuka m'mitundu yosiyanasiyana ya zosungunulira (madzi, ethanol, zosungunulira zosakaniza zamadzi ndi mowa, ndi zina zotero), zomwe zimatha kusinthidwa malinga ndi njira zosiyanasiyana zokonzekera.

Chophimba cha HPMC nthawi zambiri chimagwiritsidwa ntchito pokonzekera chophimba cha enteric, chophimba chotulutsa nthawi yayitali komanso chophimba choteteza kuti chiwoneke bwino.

3. Kugwiritsa ntchito HPMC m'makapisozi

Zipangizo zopangira kapisozi wa zomera

HPMC ndi chinthu chochokera ku cellulose chomwe chimachokera ku zomera, chomwe chingalowe m'malo mwa gelatin ngati chinthu chachikulu chomwe chimagwiritsidwa ntchito popanga "makapisozi a zomera". Poyerekeza ndi makapisozi a gelatin a nyama, makapisozi a HPMC ali ndi ubwino wotsatira:

Zosakaniza za nyama sizili zoyenera anthu osadya nyama ndi anthu a zipembedzo zinazake;

Kukhazikika kwambiri, kosakhudzidwa ndi kusintha kwa kutentha ndi chinyezi;

Kuchepetsa hygroscopicity ndi mphamvu yabwino ya makina, zomwe zimapangitsa kuti mankhwala azikhala nthawi yayitali;

Zosavuta kudzaza ndi kutseka, zoyenera zida zodzaza makapisozi molondola kwambiri.

Zipangizo zotulutsira ma microcapsule zotulutsidwa

Mu makina ena otulutsa mankhwala oyendetsedwa ndi microcapsule, HPMC ingagwiritsidwenso ntchito ngati khoma, kugwira ntchito limodzi ndi ma polima ena kuti atulutse mankhwala pang'onopang'ono m'thupi mwa kusintha makulidwe ndi kuchuluka kwa kusungunuka.

4. Kugwiritsa ntchito HPMC mu zokonzekera zamadzimadzi

Mu madontho a m'maso, mankhwala omwa, ndi mankhwala opaka pakhungu, HPMC nthawi zambiri imagwiritsidwa ntchito ngati chokhuthala, chokhazikika komanso chomatira:

Madontho a m'maso: HPMC imagwiritsidwa ntchito ngati mafuta odzola kuti madontho a m'maso azikhala nthawi yayitali pamwamba pa cornea, kupititsa patsogolo kugwira ntchito kwa mankhwalawa, komanso kuchepetsa zizindikiro za maso ouma.

Mankhwala amadzimadzi omwa: amawonjezera kukhuthala kwa yankho, amawonjezera kukoma, ndikuletsa mvula.

Zokonzekera zakunja: monga ma gels, mafuta odzola, mafuta odzola, ndi zina zotero, HPMC imatha kukonza magwiridwe antchito awo opaka utoto komanso kumamatira pakhungu, ndikuwonjezera zomwe ogwiritsa ntchito amagwiritsa ntchito.

5. Chitetezo ndi kuvomerezedwa ndi malamulo

HPMC ndi mankhwala owonjezera mankhwala omwe adavomerezedwa ndi FDA ndi EU EMA, ndipo amakwaniritsa miyezo ya mankhwala osiyanasiyana (monga USP, Ph. Eur., JP, ndi zina zotero). Ali ndi poizoni wochepa, samagwirizana bwino ndi thupi, ndipo samayambitsa ziwengo. Ndi mankhwala owonjezera omwe amadziwika kuti ndi otetezeka ndipo amagwiritsidwa ntchito kwambiri pokonzekera pakamwa komanso pakhungu.

6. Zochitika zamtsogolo pa chitukuko

Ndi kupita patsogolo kwa malingaliro azachipatala obiriwira komanso osamalira chilengedwe komanso kukwera kwa anthu osadya nyama, mwayi wogwiritsa ntchito HPMC m'ma capsules a zomera ndi mankhwala opangidwa kuti azitulutsa mankhwala olamulidwa ndi anthu ndi waukulu. Kafukufuku wokhudza HPMC yogwira ntchito bwino (monga HPMC yapadera yosinthidwa) pakutulutsa mankhwala olunjika, kutulutsidwa kwanzeru kolamulidwa ndi anthu, ndi zina zotero ukuyamba kugwira ntchito kwambiri, zomwe zipitiliza kulimbikitsa kugwiritsa ntchito kwake m'mafakitale apamwamba kwambiri.

Monga chogwirira ntchito zambiri komanso chotetezeka kwambirichowonjezera mankhwala HPMCimagwira ntchito yofunika kwambiri mumakampani opanga mankhwala. Kuyambira zinthu zowonjezerera zachilengedwe ndi zinthu zokutira mpaka zinthu zamakono zonyamula zotulutsa ndi zinthu zopangidwa ndi makapisozi a zomera, kugwiritsidwa ntchito kwake kukukulirakulira nthawi zonse ndipo ndi chimodzi mwa zinthu zofunika kwambiri popanga mankhwala amakono.