● Gịnị bụ Kojic acid dipalmitate?
Okwu mmalite nke akụrụngwa: ọhụrụ sitere na kojic acid gaa na ihe mgbaze na-agbaze abụba
Kojic acid dipalmitate (CAS No.: 79725-98-7) bụ ihe esterified nke kojic acid, nke a na-akwado site na ijikọta kojic acid na palmitic acid. Usoro ihe omimi ya bụ C₃₈H₆₆O₆ na ịdị arọ ya bụ 618.93. A na-enweta Kojic acid na mbụ site na ngwaahịa agba nke fungi dị ka Aspergillus oryzae ma na-eji ya eme ihe na nchekwa nri na ịcha ọcha, mana mmiri ya na enweghị ike na ìhè, okpomọkụ na ion metal na-egbochi ngwa ya. A na-agbanwe Kojic acid dipalmitate site na esterification, nke ọ bụghị naanị na-ejigide ọrụ ọcha nke kojic acid, kamakwa na-eme ka nkwụsi ike ya na abụba solubility dịkwuo mma, na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-emepụta ihe na-emepụta ihe na ihe ịchọ mma.
Usoro nkwadebe ya gụnyere njikọ kemịkalụ na teknụzụ bioenzymatic hydrolysis. Teknụzụ ọgbara ọhụrụ na-ebuli ọnọdụ mmeghachi omume (dịka esterification okpomọkụ dị elu ma ọ bụ enzyme catalysis) iji hụ na ịdị ọcha ngwaahịa bụ ≥98% ma zute ụkpụrụ ogo ịchọ mma.
Kojic acid dipalmitatebụ ntụ ntụ kristal na-acha ọcha na-acha odo odo nwere ebe mgbaze nke 92-96°C yana njupụta nke 0.99 g/cm³. Ọ bụ soluble na mmanụ ịnweta mmanụ, esters na ethanol na-ekpo ọkụ, ma ọ dịghị edozi na mmiri. A na-eme ka ndị otu hydroxyl dị n'ụdị ihe owuwu ya, nke na-ezere ijikọ hydrogen na ihe ndị ọzọ dị na ihe ịchọ mma (dị ka ihe nchekwa na sunscreens) ma na-eme ka arụmọrụ na-arụ ọrụ dịkwuo mma.
Isi uru nke kojic acid dipalmitate:
Nkwụsi ike Photothermal:E jiri ya tụnyere kojic acid, ọkụ ya na nguzogide okpomọkụ na-abawanye nke ọma, na-ezere ngbanwe nke site na kọntaktị na ion ígwè.
Àgwà ndị nwere ike ime abụba:Ọ na-adị mfe sosebe n'ụdị mmanụ, nwere ike banye n'ime stratum corneum nke akpụkpọ ahụ nke ọma, ma welie arụmọrụ absorption.
● Gịnị bụ uru nkeKojic acid dipalmitate?
Kojic acid dipalmitate na-enweta mmetụta nlekọta anụ ahụ site n'ọtụtụ usoro:
1. Ọcha ọcha dị oke mma:
Na-egbochi ọrụ tyrosinase: Site na chelating ion ọla kọpa (Cu²⁺), ọ na-egbochi ụzọ mmepụta melanin, ma nwee mmetụta na-acha ọcha dị ike karịa kojic acid. Data ụlọ ọgwụ na-egosi na ọnụọgụ mgbochi melanin ya nwere ike iru karịa 80%.
Mee ka ntụpọ dị mfe:Kojic acid dipalmitatenwere mmetụta nkwalite dị ukwuu na pigmenti dị ka ntụpọ afọ, akara mgbatị, freckles, wdg.
2. Antioxidant na mgbochi ịka nká:
Ọ nwere ikike ịkpachapụ anya n'efu, na-ebelata mmebi oxidative na-akpata ultraviolet, na-egbu oge mmebi collagen, ma na-enyere aka na mgbochi wrinkle.
3. Ịdị nwayọọ na nchekwa:
Edepụtara ya dị ka akụrụngwa ịchọ mma dị mma nke US CTFA, EU na China Food and Drug Administration. Ọ naghị akpasu iwe na adabara akpụkpọ anụ.
● Kedu ihe bụ ngwa nke Kojic acid dipalmitate ?
1. Ụlọ ọrụ ịchọ mma:
Ngwaahịa na-acha ọcha: Tinye na ude ihu, ihe ndị dị mkpa (ọgwụgwọ akwadoro 1%-3%), masks, wdg, dị ka ijikọ ihe na-emepụta glucosamine iji mee ka mmetụta na-acha ọcha okpukpu abụọ.
Ihuenyo na nrụzi: Na-arụ ọrụ na ihe mkpuchi anwụ anụ ahụ dị ka zinc oxide iji kwalite nchedo UV na rụkwaa mmebi ọkụ.
Ngwaahịa na-egbochi ịka nká: A na-eji ude mgbochi mgbochi na ude anya iji belata ahịrị dị mma.
2. Ọgwụ na nlekọta pụrụ iche:
Nyochaa iji ya na ọgwụgwọ nke ọrịa pigmentary (dị ka chloasma) na nrụzi pigmenti mgbe ọkụ.
3. Ogige na-apụta:
Ngwa nke nanotechnology: Melite nkwụsi ike nke ihe site na teknụzụ encapsulation, nweta ntọhapụ na-adịte aka, ma kwalite nrụpụta ngwaahịa.
● Nnweta NEWGREENKojic acid dipalmitate Ntụ ntụ
Oge nzipu: Mee-29-2025
