Hydroxypyl methylcellose (hpmc)Wani yanki ne mai narkewa mai narkewa a cikin masana'antu da filayen aikace-aikace, kuma yana da kewayon ƙimar aikace-aikace, kamar a cikin saki mai sarrafawa, sarrafa abinci da kayan abinci. Abubuwan da suka mallaki sunadarai a cikin tsarin fermentation galibi suna da alaƙa da lalacewa da kuma gyara na selulose da ayyukan celta na ƙananan ƙwayoyin cuta. Domin samun mafi kyawun fahimtar halayen sunadarai na HPMC a cikin tsarin fermentation, da farko muna buƙatar fahimtar ainihin tsarin da kuma lalata tsarin selulose.
1. Tsarin asali da kaddarorin hydroxypyl methylcelhin
HPMC wani asali ne wanda aka samu ta hanyar siginar sinadarai na sel na halitta (pel). Komad bayan sarkar kwayoyin ta shine kwayoyin kwayoyin (C6h12o6) da haɗin β-1,4 glycosdic shaidu. Celullulose kanta wuya ta narke cikin ruwa, amma ta hanyar gabatar da detyl (-Cech3) kuma ƙungiyoyi na ruwa, za a iya inganta ƙungiyoyi masu ruwa. Tsarin gyara na HPMC gabaɗaya ya haɗa da pleulake tare da Methyl chloride (ch3h6) a ƙarƙashin yanayin alkaline, kuma samfurin sakamakon yana da karfi hydrophilicity hydrophilicity.
2. Abubuwan sunadarai a lokacin fermentation
Tsarin fermentation na HPMC yawanci ya dogara da aikin ƙananan ƙwayoyin cuta, wanda ke amfani da HPMC a matsayin tushen carbon da tushen abinci mai gina jiki. Tsarin fermentation na HPMC ya hada da manyan matakan:
2.1. Lalata hpmc
Celullulose da kansa ya ƙunshi raka'an Glucose, kuma HPMC za a lalata ta hanyar ƙananan ƙwayoyin cuta, da farko bazu zuwa ƙarami masu amfani (kamar glucose, xylose, da dai sauransu). Wannan tsari yakan ƙunshi aikin enzedmes da yawa na enzymes. Babban halayen lalacewa sun hada da:
Cellulose Hydrolysis amsa: β-1,4 glykisidic shaidu a cikin selulose hydrules za a karya shi ta hanyar seligoschcharides (kamar Oligoschcharides (kamar Oligosaccharides, menccharides, da sauransu). Waɗannan sugars za su kara metabolized kuma ana amfani da kwayoyin cuta.
Hydrolysis da lalata hpmc: metroxypropyl maye a cikin kwayar cutar HPMC za a cire ta hydrolysis. Bayyanar takamaiman tsarin hydrolysis wanda aka fahimta duk da haka ba a fahimta ba, amma ana iya yin jita da cewa a cikin yanayin ferymesismed shine catalyzed ta hanyar enzylms da aka ɓoye). Wannan tsari yana haifar da fashewar ƙwayoyin cuta na HPMC da kuma cire ƙungiyoyi masu aiki, a ƙarshe samar da ƙananan ƙwayoyin kwayoyin sukari.
2.2. Abubuwan da ke motsa jiki na microbial
Da zarar HPMC ya lalata cikin ƙaramin kwayoyin sukari, microsanisms sun sami damar canza waɗannan kayan sanyin ta hanyar halayen enzymatic. Musamman, kananan ƙwayoyin cuta sun ba da glucose cikin ethanol, lactic acid ko wasu metabolites ta hanyar hanyoyin fermentation. Daban-daban microorganisms na iya metabolize samfuran lalata lalata ta hanyar hanyoyi daban-daban. Hanyoyi na yau da kullun sun haɗa da:
Hanyoyin GlycoLysis: an bazu glucose a cikin pyruvate da ci gaba cikin makamashi (ATP) da metabolites (ATP) da metabolites (ATP) da lactic acid, etch.).
Fermentation samfurin tsara: A karkashin yanayin Anaerobic ko hypoxic canza glucose ko hanyoyin lalata, waɗanda suke amfani da su a cikin hanyoyin masana'antu daban-daban.
2.3. Redox dauki
A lokacin aiwatar da fermentation na HPMC, wasu ƙananan ƙwayoyin cuta na iya ƙara canza canje-canje na matsakaici ta hanyar sake fasalin halayen Redox. Misali, tsarin samar da ethanol yana tare da sake hada-hadar da Redox, glucose yana canzawa don samar da pyruvate, sannan kuma an canza Pyruvate cikin ethanol ta hanyar rage halayen. Waɗannan halayen suna da mahimmanci don kiyaye ma'aunin ƙwayoyin cuta.
3. Gudanarwa Abubuwan da ke cikin Tsarin Fermentation
A lokacin aiwatar da fermentation na HPMC, dalilai na muhalli suna da tasiri muhimmin tasiri akan halayen sunadarai. Misali, PH, zazzabi, sun saba wa abun cikin oxygen oxygen, gyare-gyare na tushen abinci, da sauransu zai shafi ragin metabolisisms da nau'in samfuran. Musamman yawan zafin jiki da pH, aikin enzymes na microbial na iya bambanta mahimmanci a ƙarƙashin yanayin fermentation don tabbatar da lalata yanayin hpmc da kuma ingantaccen ci gaba na tsarin ƙwayoyin cuta na ƙwayoyin cuta.
Tsarin fermentation naHpmCYa ƙunshi halayen sunadarai, gami da hydrolysis na celulose, lalata hpmc, metabolism na sugars, da tsara kayayyaki. Fahimtar da waɗannan halayen ba kawai taimaka wajen inganta tsarin fermentation na HPMC ba, har ma yana ba da goyon baya na tushe don samar da masana'antu da ke da alaƙa. Tare da zurfafa bincike, mafi inganci da hanyoyin samar da tattalin arziƙi za a iya ci gaba a nan gaba don inganta kayan lalata na HPMC a cikin Biesransformation, kariya ta muhalli da sauran filayen.
Lokaci: Feb-17-2025