Hydroxypyl methylcelose, wanda aka fi sani da HPMC, shine parmactal compaceuticical compaceutical compaceutical compaceutical compaceutical companicical da ƙari abinci. Saboda shi da kyau ingantaccen karuwa, iko mai karfi da kayan samar da fim, an yi amfani dashi sosai a masana'antar harhada magunguna. Hakanan ana amfani da HPMC a cikin masana'antar abinci a matsayin mai kauri, emulsifier da mai. Tsarkin hpmc yana da mahimmanci masu mahimmanci a cikin masana'antar abinci da kuma masana'antu na abinci kamar yadda yake shafar ƙarfin da amincin samfurin. Wannan talifin zai tattauna dalilin da ya zaba da hpmc da hanyoyin sa.
Menene hpmcs?
Hydroxypropylmethyplulose (HPMC) eter et eter ne aka samo shi daga methylcellulose. Weightarfin kwararar kwayar cuta ce 10,000 zuwa 1,000,000 na Dalltons, kuma fari ne ko fararen foda, ƙanshi mai ƙanshi da ma'adinai. HPMC yana sauƙaƙa narkewa cikin ruwa, kuma mai narkewa a cikin wasu magungunan kwayoyin cuta kamar ethanol, 'yan wasa da chiloroorm. Yana da wasu kaddarori na musamman kamar riƙewar ruwa, thickening da ikon ɗauri, wanda ya dace da masana'antar abinci da masana'antu.
Kulawa na HPMC tsarkaka
Tsarkin HPMC ya dogara da abubuwa da yawa abubuwan kamar matsayin canji (DS), danshi abun ciki da ASD. DS yana wakiltar yawan kungiyoyin hydroxyl wanda aka maye gurbinsu da ƙungiyoyin Hydroxypyl a cikin kwayoyin selulose. Babban matakin canzawa yana kara karancin HPMC kuma yana inganta ikon samar da fim. Tattaunawa, letwacearancin canji zai haifar da rage yawan kayayyakin samar da fim ɗin da aka kirkira.
Hanyar HPMC ta HPMC
Akwai hanyoyi da yawa don tantance girman kai na HPMC, ciki har da mahimmancin acid-babban aiki na acid (HPLC), kuma infrostopy (IR). Ga cikakkun bayanai ga kowane hanya:
Acid-tushe
Hanyar ta dogara ne da takaddama tsakanin acidic da na asali a cikin HPMC. Na farko, hpmc an narkar da shi a cikin wani karfi da sanannen girma na acid ko ingantaccen bayani sananne an ƙara. Tsibiri ya za'ayi har sai ph ya isa matakin tsaka tsaki. Daga adadin acid ko tushe wanda aka cinye, da kuma za a iya ƙididdige matsayin canji.
Bincike na emental
Binciken mahimmancin yana auna kashi kowane kashi a cikin samfurin, gami da carbon, hydrogen, da oxygen. Za'a iya lissafa ƙa'idar canzawa daga adadin kowane kashi a cikin samfurin HPMC.
Babban aikina ruwa mai ruwa (HPLC)
HPLC ta yi amfani da dabarun da aka yi amfani da ita wanda ke raba abubuwan cakuda da ke bisa hulɗa tare da tsararru da matakai. A HPMC, za a iya lissafa yanayin canji ta hanyar auna rabo daga hydroxypropyl zuwa methyl ƙungiyoyi a cikin samfurin.
Infrared Spectroscopy (IR)
Spectroscopy ne na bincike dabaru wanda ke auna sha ko kuma watsa shi na lalata radiation ta samfurin. HPMC tana da koren biyu na ƙwaƙwalwar ƙwaƙwalwa don hydroxyl, methyl da hydroxypropyl, wanda za'a iya amfani dashi don tantance matakin canzawa.
Tsarkin HPMC yana da mahimmanci a cikin masana'antar abinci da kayan abinci, kuma ƙudurinsa yana da mahimmanci don tabbatar da amincin ƙarshe. Hanyoyi da yawa suna samuwa don sanin tsarkakakancin HPMC, ciki har da mahimmancin acid-tushe, bincike na empentis, HPLC, da IR. Kowace hanya tana da nasa fa'idodin da rashin amfanin sa kuma za'a iya ɗauka gwargwadon takamaiman bukatun aikace-aikacen. Don kula da tsarkakakken HPMC, dole ne a adana shi a cikin bushe, wuri mai sanyi daga hasken rana da sauran gurbata.
Lokaci: Aug-25-2023