I-Kojic Acid Dipalmitate
I-Kojic Acid Dipalmitate (KAD) kuwumkhiqizo osuselwe kuwoI-Kojic Acid, yaziwa nangokuthiI-Kojic Dipalmitate.I-Kojic Acid Dipalmitatei-ejenti ethandwayo yokwenza mhlophe isikhumba.Ngaphambi kokwethulaKojicI-Acid Dipalmitate.KojicI-Acid iyabiliswa futhi ihlanjululwe nge-glucose noma i-sucrose ngaphansi kwesenzo se-koji.Indlela yayo yokwenza mhlophe iwukuvimbela kokubili umsebenzi we-tyrosinase nomsebenzi we-N-DHICA oxidaSe.Futhi ingavimba i-dihydroxyindole polymerization.I-Kojic Acid iyi-ejenti emhlophe eyodwa engavamile evimbela ama-enzyme amaningi ngesikhathi esisodwa.Kukhona ukhilimu we-Kojic Acid, insipho ye-Kojic Acid emakethe.Kodwa-ke, ukusetshenziswa kwe-Kojic Acid esikhumbeni kancane kancane kuthathelwa indawo okuphuma kuyo.
Amapharamitha Abalulekile Wezobuchwepheshe:
Ukubukeka | Impushana yekristalu emhlophe noma evaliwe |
Isivivinyo | 99.0% iminithi. |
I-Melting Point | 93.0~97.0℃ |
Ukulahlekelwa Ekumisweni | 0.5% ubuningi. |
Izinsalela ekushiseni | 0.5% ubuningi. |
Izinsimbi Ezisindayo | 3 ppm ubuningi. |
I-Arsenic | 2 ppm ubuningi. |
Izicelo:
Ngenxa ye-Kojic Acid ayizinzile ekukhanyeni, ekushiseni nase-ion yensimbi.Ayimuncwa kalula isikhumba.Ngakho kwavela okuphuma ku-Kojic Acid.Abacwaningi basungule inani lokuphuma kwe-Kojic Acid ukuze bathuthukise ukusebenza kwe-Kojic Acid.Okuphuma kokunye akugcini nje ngokuba nendlela yokwenza mhlophe efana ne-Kojic Acid, kodwa futhi kunokusebenza okungcono kune-Kojic Acid.
I-ejenti emhlophe ye-Kojic Acid edume kakhulu emakethe njengamanje i-Kojic Acid Dipalmitate (KAD).Iwukuphuma kwe-diesterified kwe-Kojic Acid.Kutholwe ukuthi inhlanganisela ye-KAD kanye ne-glucosamine derivatives izokwandisa umphumela wokwenza isikhumba sibe mhlophe.
I-Kojic Acid DipalmitateVS I-Kojic Acid
I-Kojic Acid Dipalmitate iguquliwe kokuphuma kwe-Kojic Acid okungagcini nje ngokunqoba ukungazinzi kokukhanya, ukushisa nama-ion ensimbi, kodwa futhi igcina impahla enhle kakhulu yokuvimbela umsebenzi we-tyrosinase esikhumbeni somuntu futhi ivimbele ukwakheka kwe-melanin.Isebenza kakhulu kune-Kojic Acid.I-Kojic Dipalmitateingaveza imiphumela emihle kakhulu ngisho nokushintshashintsha kwesikhumba, ukulwa namabala obudala, izimpawu zokukhulelwa, amabala kanye nokuphazamiseka kwesikhumba okujwayelekile kobuso nomzimba.Ngokungafani ne-Kojic Acid, evame ukudala izinkinga zokuzinza komkhiqizo ezifana nokushintsha kombala, i-Kojic Acid Dipalmitate inikeza ukuzinza okuhle kakhulu komkhiqizo ngaphandle kwezinkinga zokungaqini kombala.
1. Ukukhanya Kwesikhumba: I-Kojic Acid Dipalmitate inikeza imiphumela esebenza ngempumelelo yokukhanyisa isikhumba.Uma iqhathaniswa ne-Kojic Acid, i-Kojic Dipalmitate ithuthukisa ngokuphawulekayo imiphumela evimbelayo emsebenzini we-tyrosinase, ovimbela ukwakheka kwe-melanin.Njenge-ejenti emhlophe encibilikayo yesikhumba, kulula ukumuncwa isikhumba.
2. Ukuzinza Kokukhanya Nokushisa:I-Kojic Acid Dipalmitate ilula futhi nokushisa kuzinzile, Kodwa i-Kojic Acid ivamise uku-oxidize ngokuhamba kwesikhathi.
3. Ukuzinza kwe-pH: I-Kojic Acid Dipalmitate izinzile ngaphakathi kwebanga le-pH elibanzi lika-4-9, elihlinzeka ngokuguquguquka kubadidiyeli.
4. Ukuqina Kombala: I-Kojic Acid Dipalmitate ayishintshi ibe nsundu noma ibe phuzi ngokuhamba kwesikhathi, ngoba i-Kojic Acid Dipalmitate izinzile ku-pH, ukukhanya, ukushisa kanye ne-oxidation, futhi ayihlanganisi nama-ion ensimbi, aholela ekuzinzeni kombala.
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