Methylcellulose bụ ihe oriri na-emekarị. A na-eme ya site na cellulose eke site na mgbanwe kemịkalụ. Ọ nwere ezigbo nkwụsi ike, gelling na ndina-eme ka a na-eji ya eme ihe na ụlọ ọrụ nri. Dị ka ihe arụrụ arụrụ arụ, nchekwa ya na nri bụ ihe na-eche ogologo oge.
1. Njirimara na ọrụ nke methylcellulose
Ọdịdị molekụla nke methylcellulose dabeere naβ-1,4-glucose unit, nke a na-etolite site na iji otu methoxy dochie ụfọdụ otu hydroxyl. Ọ na-agbaze na mmiri oyi ma nwee ike ịmepụta gel na-atụgharị n'okpuru ọnọdụ ụfọdụ. Ọ nwere ezigbo ndim, emulsification, nkwusioru, nkwụsi ike na njigide mmiri. Ọrụ ndị a na-eme ka a na-eji ya eme ihe na achịcha, achịcha achịcha, ihe ọṅụṅụ, ngwaahịa mmiri ara ehi, nri oyi kpọnwụrụ na ubi ndị ọzọ. Dịka ọmụmaatụ, ọ nwere ike melite nhazi nke mgwakota agwa na igbu oge ịka nká; N'ime nri ndị oyi kpọnwụrụ akpọnwụ, ọ nwere ike melite nguzogide ntu oyi.
N'agbanyeghị ọrụ ya dị iche iche, methylcellulose n'onwe ya anaghị etinye uche ma ọ bụ metabolized n'ime ahụ mmadụ. Mgbe ọ risịrị nri, a na-esikarị na tract digestive pụta n'ụdị na-adịghị emebi emebi, nke na-eme ka mmetụta ya na ahụ mmadụ pụta ìhè. Agbanyeghị, njirimara a kpalitere ndị mmadụ na-eche na ọ na-eri ogologo oge nwere ike imetụta ahụike eriri afọ.
2. Nyocha toxicological na nchekwa nchekwa
Ọtụtụ nchọpụta toxicological egosiwo na methylcellulose nwere ezigbo biocompatibility na obere nsị. Nsonaazụ nke nnukwu toxicity ule gosiri na LD50 ya (ọgwụgwọ na-egbu egbu) dị elu karịa ego ejiri na mgbakwunye nri a na-emekarị, na-egosi nchekwa dị elu. N'ime ule nsi ogologo oge, oke, oke na anụmanụ ndị ọzọ egosighi mmeghachi omume ọjọọ n'okpuru nri ogologo oge na oke doses, gụnyere ihe egwu dị ka carcinogenicity, teratogenicity na nsị ịmụ nwa.
Na mgbakwunye, a mụọla mmetụta methylcellulose n'ime eriri afọ mmadụ. N'ihi na ọ naghị agbaze ma tinye ya n'ime ya, methylcellulose nwere ike ịbawanye ụda stool, kwalite peristalsis intestinal, ma nwee ụfọdụ uru na-ebelata afọ ntachi. N'otu oge ahụ, ọ naghị agba ọkụ site na osisi intestinal, na-ebelata ihe ize ndụ nke flatulence ma ọ bụ mgbu afọ.
3. Iwu na ụkpụrụ
A na-ahazi iji methylcellulose dị ka ihe mgbakwunye nri zuru ụwa ọnụ. Dị ka nyocha nke Kọmitii Ọkachamara Na-ahụ Maka Mgbakwunye nri (JECFA) n'okpuru Food and Agriculture Organisation of the United Nations (FAO) na Healthtù Ahụ Ike (wa (WHO) na Healthtù Ahụ Ike (wa (WHO)) akọwapụtaghị ihe oriri kwa ụbọchị (ADI) nke methylcellulose. ", na-egosi na ọ dị mma iji n'ime usoro ọgwụgwọ akwadoro.
Na United States, e depụtara methylcellulose dị ka ihe a na-ahụkarị dị ka ihe nchekwa (GRAS) site n'aka nchịkwa nri na ọgwụ ọjọọ nke US (FDA). Na European Union, a na-ekewa ya dị ka ihe mgbakwunye nri E461, akọwapụtara nke ọma ojiji ya na nri dị iche iche. Na China, a na-ahazikwa ojiji nke methylcellulose site na “National Food Safety Standard Food Additive Use Standard” (GB 2760), nke chọrọ njikwa siri ike nke usoro onunu ogwu dịka ụdị nri siri dị.
4. Echiche nchekwa na ngwa bara uru
Ọ bụ ezie na nchekwa zuru oke nke methylcellulose dị oke elu, ntinye ya na nri ka kwesịrị ịṅa ntị na isi ihe ndị a:
Usoro onunu ogwu: Mgbakwunye oke nwere ike igbanwe udiri nri ma metuta ihe omuma; N'otu oge ahụ, oke oriri nke ihe nwere eriri nwere ike ịkpata bloating ma ọ bụ ahụ erughị ala mgbari nri dị nro.
Ọnụ ọgụgụ ndị e lekwasịrị anya: Maka ndị mmadụ nwere ọrụ eriri afọ na-adịghị ike (dị ka ndị agadi ma ọ bụ ụmụntakịrị), nnukwu doses nke methylcellulose nwere ike ịkpata afọ ntachi na obere oge, ya mere a ga-eji nlezianya họrọ ya.
Mmekọrịta na ihe ndị ọzọ: N'ụfọdụ usoro nri, methylcellulose nwere ike inwe mmetụta synergistic na ihe mgbakwunye ma ọ bụ ihe ndị ọzọ, yana mkpa ka echebara mmetụta ha jikọtara ọnụ.
5. Nchịkọta na Outlook
N'izugbe,methylcellulose bụ ihe mgbakwunye nri dị mma ma dị irè nke na-agaghị emerụ ahụ ike mmadụ n'ime oke ezi uche dị na ya. Ngwongwo ya na-adịghị anabata ya na-eme ka ọ kwụsie ike na tract digestive ma nwee ike iweta ụfọdụ uru ahụike. Otú ọ dị, iji hụkwuo nchekwa ya na iji ogologo oge eme ihe, ọ dị mkpa ịnọgide na-aṅa ntị na nchọpụta toxicological dị mkpa na data ngwa ngwa bara uru, karịsịa mmetụta ya na ndị mmadụ pụrụ iche.
Site na mmepe nke ụlọ ọrụ nri yana mmụba nke ọchịchọ ndị na-azụ ahịa maka ịdị mma nri, oke ojiji nke methylcellulose nwere ike gbasaa ọzọ. N'ọdịnihu, a ga-enyocha ngwa ndị ọzọ na-emepụta ihe n'echiche nke ịhụ na nchekwa nri iji weta uru dị ukwuu na ụlọ ọrụ nri.
Oge nzipu: Dec-21-2024