N'ime ụlọ ọrụ nri, HPMC nwere ike imeziwanye ihe na-esi ísì ụtọ na ngwa ngwa nke mgwakota agwa. Na mgbakwunye, mgbakwunye nke Hydroxypropyl Methyl cellulose etherHPMCna-ebelata mmụba nke mmiri mmiri na-ekpo ọkụ na mgwakota agwa n'oge nchekwa oyi, si otú a na-egbochi mmetụta nke ice crystallization na nhazi netwọk mgwakota agwa. Mmebi ahụ na-ejigide nkwụsi ike na iguzosi ike n'ezi ihe nke nhazi ya, si otú a na-enye nkwa maka ịdị mma nke ngwaahịa ikpeazụ. N'aka nke ọzọ, mgbakwunye HPMC nwekwara mmetụta dị mma na njikwa mma na achịcha steamed. Maka ihe atụ ndị na-adịghị frozen, mgbakwunye nke HPMC mụbara ọnụ ọgụgụ kpọmkwem nke achịcha a na-ekpo ọkụ ma na-emeziwanye ihe odide nke achịcha steamed; ebe n'ịgbatị oge oyi, mgbakwunye HPMC gbochiri mmebi nke àgwà achịcha steamed mere site na ogo ntụ ọka oyi kpọnwụrụ. Nke a na-egosi na HPMC nwere ike tinye n'ọrụ na nhazi nke oyi kpọnwụrụ mgwakota agwa na steamed achịcha dị ka ikpeazụ ngwaahịa, na nwere mma mmetụta na-emeziwanye àgwà nke steamed achịcha.
(2) Nnwale gosiri na e mebiri ihe owuwu gluten na-enweghị HPMC n'ihi nhazi na uto nke kristal ice, modul na-agbanwe agbanwe na-ebelata nke ukwuu, ọdịnaya thiol n'efu mụbara nke ukwuu, na netwọk microstructure mebiri; Otú ọ dị, mgbakwunye nke HPMC nwere ike igbochi mgbanwe a nke ọma, karịsịa mgbe ego mgbakwunye bụ 2%, ma e jiri ya tụnyere ndị na-ahụ maka njikwa, ọdịnaya nke otu sulfhydryl n'efu, ọdịnaya nke mmiri oyi na ikpughe nke ìgwè hydrophobic belatara, Ọdịdị nke abụọ na nhazi netwọk microscopic nke gluten nọgidere dịtụ Stablize. Nke a bụ n'ihi na HPMC nwere ike ibelata mmegharị mmiri ma gbochie mmụba nke ọdịnaya mmiri oyi, si otú a na-ebelata mmebi nke oghere oghere na nhazi netwọk nke protein gluten site na kristal ice.
(3) Nnwale ahụ chọpụtara na mgbe ụbọchị 60 nke nchekwa oyi kpọnwụrụ gasịrị, njirimara gelatinization nke starch niile mụbara, enthalpy gelatinization na-abawanye nke ukwuu, ebe ike gel nke starch tapawa belatara, nke gosipụtara na a gbanwere usoro nke starch (ụkọ kristal kristal na-abawanye). budata). , ogo nke mmebi starch mụbara); Otú ọ dị, starch nkwusioru na HPMC kwukwara, starch Ọdịdị nọgidere dịtụ ike mgbe kefriza, si otú mbenata ogo mgbanwe gelatinization e ji mara, gelatinization enthalpy, gel ike, wdg Ọ na-egosi na mgbakwunye na nke HPMC nwere ike inhibit mmetụta nke ice kristal. na Ọdịdị na Njirimara nke nwa afọ starch granules.
(4) The nnwale na-egosi na tụnyere na-achịkwa otu, mgbakwunye na nke HPMC nwere ike mma ịnọgide na-enwe gbaa ụka ọrụ nke yist, inhibit mbelata nke gbaa ụka elu nke mgwakota agwa na lanarị ọnụ ọgụgụ nke yist mgbe kefriza maka 60 ụbọchị. si otú a ibelata ụdị mbelata extracellular. Ọnụego mmụba nke ọdịnaya glutathione, na n'ime oke ụfọdụ, mmetụta nchebe nke HPMC jikọtara nke ọma na ego mgbakwunye ya. Nke a na-egosi na HPMC nwere ike ichebe yist site na igbochi nhazi na uto nke kristal ice.
6.2 Outlook
(1) Iji n'ihu n'usoro na-amụ mmetụta nke ịgbakwunye HPMC na iko mgbanwe okpomọkụ (H) nke oyi kpọnwụrụ mgwakota agwa, na gbaa ụka kinetics nke yist na ekpomeekpo nke steamed achịcha, nakwa dị ka e guzobere, ibu, na redistribution nke ice kristal na. ntụ ọka oyi kpọnwụrụ, wdg. Ya mere, a na-ahọrọ ụdị ọhụrụ ndị nwere nrụgide nrụgide siri ike kwesịrị ekwesị maka ntụ ọka oyi kpọnwụrụ, na e nyere ntụaka maka mmepụta na ụgbọ mmiri oyi nke ntụ ọka oyi kpọnwụrụ na ọbụna ihe oriri ndị ọzọ oyi kpọnwụrụ.
(2) Ọzọkwa na-amụ mmelite mmetụta nke HPMC na àgwà nke oyi kpọnwụrụ mgwakota agwa na ngwaahịa ya n'oge ogologo kefriza nchekwa oge, na inyocha ngwa nke HPMC na ndị ọzọ ụdị oyi kpọnwụrụ mgwakota agwa.
(3) Ọzọkwa ebuli oyi kpọnwụrụ mgwakota agwa uzommeputa na usoro parameters ndị kwekọrọ n'ezie mmepụta nke steamed achịcha, ka mma na welie àgwà nke oyi kpọnwụrụ mgwakota agwa steamed achịcha ngwaahịa, na n'otu oge ahụ akara ma belata mmepụta. ọnụ ahịa. Tụkwasị na nke ahụ, a pụkwara ịgbasa ngwa ngwa HPMC na mgwakota agwa ndị China na-ekpo ọkụ na-eme ka ọ bụrụ ngwaahịa pasta, na enwere ike ịmepụta ọtụtụ atụmatụ na ụdị ngwaahịa iji gboo mkpa nke ndị na-azụ ahịa.
Oge nzipu: Sep-30-2022