Kojic Acid Dipalmitate (KAD) bụ ihe na-esi na kojic acid nweta liposoluble. A na-akpọkwa ya 2-palmitoyl methyl -5-palmitoyl-pyranone. O nwere ikike ka ukwuu igbochi mmepụta melanin karịa kojic acid. Enweghị otu hydroxyl n'ime usoro ihe omimi ya, yabụ na ọ gaghị etolite njikọ hydrogen na ihe ndị ọzọ na-arụ ọrụ na ịchọ mma iji metụta ọrụ ha, yana ọ nwere ezigbo ndakọrịta. Dị ka onye na-acha ọcha, KAD na-ejikarị eme ihe na ụlọ ọrụ ịchọ mma.
Usoro nka na ụzụ isi:
Ọdịdị | kristal ọcha ma ọ bụ gbanyụọ ọcha ntụ ntụ |
Nyocha | 99.0% nkeji. |
Ebe Na-agbaze | 93.0-97.0 |
Ọnwụ na ihicha | 0.5% kacha. |
Ihe fọdụrụ na mgbanye | 0.5% kacha. |
Ọla dị arọ | 3ppm kacha. |
Arsenic | 2 ppm kacha. |
Njirimara
(1) Nkwụsi ike dị mma na okpomọkụ na ọkụ; enweghị mgbanwe agba.
(2) Mmanu solubility dị mma.
Uru maka akpụkpọ ahụ:
(1) Ọcha: Kojic acid dipalmitate nwere mmetụta mgbochi siri ike na melanin. Ngwakọta ya nke ion ọla kọpa na-egbochi ịgbalite ion ọla kọpa na tyrosinase. N'ihi ya, KAD nwere ike ime ka akpụkpọ ahụ dị ọcha.
(2) Iwepụ Egwuregwu: Kojic acid dipalmitate na-ebelatakwa pigmenti nke meralin pigment kpatara. Ọ nwere ike ịkwalite metabolism nke anụ ahụ, ma wepụ ngwa ngwa melarin pigmenti etolitela. KAD na-alụ ọgụ megide melasma, ntụpọ afọ, chloasma, akara mgbatị, freckles na pigmenti ndị ọzọ.
Ego agbakwunyere: 1 ~ 5%
Nchekwa Dipalmitate Kojic:
Na ọkwa nke aha List of Cosmetics Raw Material nke China Food and Drug Administration bipụtara na 2014, na Katalọgụ Of the International Cosmetics Raw Material Standard English Name nke CTFA , EU na CAFFCI nyere na 2010 ha abụọ amatala Kojic Acid Dipalmitate dị ka raw raw. ihe ịchọ mma . Enweghị akụkọ ọ bụla na-egosi enweghị nchebe ya maka ojiji mpụga. Kojic acid Dipalmitate nwere nkwụsi ike dị elu karịa vitamin-C, ya mere ọ na-arụ ọrụ nke ọma na enweghị mmetụta ọ bụla.
Oge nzipu: Ọgọst-18-2020