Cellulose shine mafi yawan nau'in polymer na halitta a cikin yanayi. Yana da fili mai layi na polymer wanda aka haɗa ta D-glucose ta hanyar β- (1-4) glycosidic bonds. Matsayin polymerization na cellulose zai iya kaiwa 18,000, kuma nauyin kwayoyin zai iya kai miliyoyin da yawa.
Ana iya samar da Cellulose daga itace ko auduga, wanda ita kanta ba mai narkewa a cikin ruwa ba, amma ana ƙarfafa ta da alkali, ana sanya ta da methylene chloride da propylene oxide, a wanke da ruwa, a bushe don samun methyl cellulose mai narkewa (MC) da ruwa. hydroxypropyl methylcellulose (HPMC), wato, methoxy da hydroxypropoxy ana amfani da su don maye gurbin ƙungiyoyin hydroxyl a kan C2, C3 da C6 matsayi na glucose don samar da nonionic cellulose ethers.
Methyl cellulose wani wari ne, fari zuwa fari mai laushi mai laushi a bayyanar, kuma pH na maganin yana tsakanin 5-8.
Abun cikin methoxyl na methylcellulose da aka yi amfani da shi azaman ƙari na abinci yawanci shine tsakanin 25% da 33%, madaidaicin matakin maye gurbin shine 17-2.2, kuma matakin ka'idar maye yana tsakanin 0-3.
A matsayin ƙari na abinci, abun cikin methoxyl na hydroxypropyl methylcellulose yawanci yana tsakanin 19% da 30%, kuma abun cikin hydroxypropoxyl yawanci tsakanin 3% da 12%.
Halayen sarrafawa
thermoreversible gel
Methylcellulose/Hydroxypropylmethylcellulose yana da kaddarorin gelling na thermoreversible.
Methyl cellulose/hydroxypropyl methyl cellulose dole ne a narkar da shi a cikin ruwan sanyi ko ruwan zafi na al'ada. Lokacin da maganin ruwa ya yi zafi, danko zai ci gaba da raguwa, kuma gelation zai faru lokacin da ya kai wani zazzabi. A wannan lokacin, methyl cellulose/hydroxypropyl methyl cellulose Maganin gaskiya na propyl methylcellulose ya fara rikidewa ya zama farar fata mara kyau, kuma danƙon da ke fitowa ya karu da sauri.
Ana kiran wannan zafin jiki thermal gel qaddamar zafin jiki. Yayin da gel ɗin ya yi sanyi, danƙon da ke bayyana yana raguwa da sauri. A ƙarshe, ma'aunin danko lokacin da sanyaya ya dace da farkon yanayin zafi mai zafi, gel ɗin ya juya zuwa wani bayani, maganin ya juya zuwa gel lokacin da mai tsanani, kuma tsarin juya baya a cikin bayani bayan sanyaya yana canzawa kuma mai maimaitawa.
Hydroxypropyl methylcellulose yana da mafi girma thermal gelation farkon zafin jiki fiye da methylcellulose da ƙananan ƙarfin gel.
Paiki
1. Kayayyakin yin fim
Fina-finan da aka kafa ta methylcellulose/hydroxypropylmethylcellulose ko fina-finan da suka ƙunshi duka biyun na iya hana ƙaura mai da asarar ruwa yadda ya kamata, don haka tabbatar da kwanciyar hankali na tsarin abinci.
2. Emulsifying Properties
Methylcellulose/Hydroxypropylmethylcellulose na iya rage tashin hankali da kuma rage yawan kitse don ingantacciyar kwanciyar hankali na emulsion.
3. Kula da asarar ruwa
Methylcellulose/Hydroxypropylmethylcellulose na iya sarrafa ƙaurawar abinci yadda ya kamata daga daskarewa zuwa zafin jiki na al'ada, kuma yana iya rage lalacewa, crystallization na kankara da canje-canjen rubutu na abinci ta hanyar firiji.
4. Ayyukan m
Ana amfani da Methylcellulose/Hydroxypropylmethylcellulose a cikin adadi mai mahimmanci don haɓaka ƙarfin haɗin gwiwa mafi kyau yayin kiyaye danshi da sarrafa sakin dandano.
5. Jinkirin aikin hydration
Yin amfani da methylcellulose / hydroxypropylmethylcellulose na iya rage dankowar abinci a lokacin sarrafa zafi, ta haka yana inganta ingantaccen samarwa. Yana rage tukunyar tukunyar jirgi da lalata kayan aiki, yana hanzarta aiwatar da lokutan zagayowar, yana inganta yanayin zafi, kuma yana rage samuwar ajiya.
6. Yin kauri
Methylcellulose/Hydroxypropylmethylcellulose za a iya amfani da a hade tare da sitaci don samar da synergistic sakamako, wanda zai iya ƙwarai ƙara danko ko da a wani sosai low ƙara matakin.
7. Maganin yana da ƙarfi a ƙarƙashin yanayin acidic da barasa
Maganin Methylcellulose/Hydroxypropylmethylcellulose sun tsaya tsayin daka zuwa pH 3 kuma suna da kwanciyar hankali mai kyau a cikin maganin da ke ɗauke da barasa.
Amfani da methyl cellulose a cikin abinci
Methyl cellulose wani nau'i ne na ether maras ionic cellulose wanda aka samar ta hanyar amfani da cellulose na halitta azaman albarkatun kasa da maye gurbin ƙungiyoyin hydroxyl akan rukunin glucose mai anhydrous a cikin cellulose tare da ƙungiyoyin methoxy. Yana yana da riƙewar ruwa, thickening, emulsification, fim samuwar, adaptability Wide pH kewayon da surface aiki da sauran ayyuka.
Mafi fasalinsa na musamman shine gelation mai jujjuyawa, wato, maganin sa na ruwa yana samar da gel lokacin zafi, kuma yana komawa zuwa bayani lokacin da aka sanyaya. Ana amfani da shi sosai a cikin abinci mai gasa, soyayyen abinci, kayan zaki, miya, miya, abubuwan sha, da jigo. da alewa.
Babban gel ɗin a cikin methyl cellulose yana da ƙarfin gel fiye da sau uku na na al'ada na methyl cellulose thermal gels, kuma yana da kaddarorin mannewa masu ƙarfi, riƙe ruwa da kaddarorin riƙe siffar.
Yana ba da damar abincin da aka sake ginawa su riƙe tsayayyen rubutun da ake so da kuma jin daɗin baki duka a lokacin da kuma na tsawon lokaci bayan sake dumama. Aikace-aikace na yau da kullun sune abinci mai daskararre da sauri, kayan cin ganyayyaki, nama da aka sake ginawa, kifi da kayan cin abincin teku da tsiran alade masu ƙarancin mai.
Lokacin aikawa: Dec-12-2022