Kojic Acid
Kojic Acidyaziwa ngokuba yi-5- hydroxyl -2- hydroxymethyl -1 kunye ne-4- piranone.Yikhompawundi ebuthathaka ye-asidi ephilayo eyenziwe ngokubiliswa kwe-microorganisms.Fine tramperic acid yinaliti emhlophe okanye etyheli njengekristale;Inyibilika ngokulula emanzini, etywaleni nakwi-acetone, inyibilika kancinane kwi-ether, i-ethyl acetate, i-chloroform kunye ne-pyridine, i-soluble kwi-benzene;ifomula yayo yemolekyuli nguC6H6O4,Ubunzima bemolekyuli142.1,Indawo yokunyibilikisa153~156℃.
IiParameters ezingundoqo zobuGcisa
Imbonakalo | Ikristale emhlophe okanye emhlophe |
Isivavanyi | ≥99.0% |
Indawo yokunyibilika | 152-156℃ |
Ilahleko ekomisweni | ≤0.5% |
Intsalela kwi-Ignition | ≤0.1% |
Iintsimbi ezinzima | ≤3 ppm |
Intsimbi | ≤10 ppm |
Arsenic | ≤1 ppm |
I-Chloride | ≤50 ppm |
IAlfatoxin | Akukho kubonwa |
Usetyenziso:
Isetyenziswe kwintsimi yezithambiso.Kwisikhumba somntu, i-tyrosine idityaniswe yi-oxidation eyinkimbinkimbi kunye ne-polymerization ye-oxygen free radicals phantsi kwe-catalysis ye-tyrosinase, kwaye ekugqibeleni i-melanin yenziwe.Kojic Acidinokuthintela ukuhlanganiswa kwe-tyrosinase, ngoko inokuthintela ngamandla ukubunjwa kwe-melanin yesikhumba, kwaye ikhuselekile kwaye ayinayo inetyhefu, kwaye ayiyi kuvelisa i-leukoplakia, ngoko ke.Kojicyongezwe kumanzi okwenza, i-mask, i-emulsion, i-cream cream, kwaye inokuphatha ngokufanelekileyo i-freckles, amabala obudala, i-pigmentation, i-acne kunye nezinye izithambiso ezimhlophe. I-Kojic Acid i-70 ukuya kwi-80% ye-vitality iyacetyiswa kwii-cosmetics, yongeza i-0.2 ukuya kwi-1%.I-Kojic Acid yimpahla eluhlaza yokuvelisa i-maltol kunye ne-ethyl maltol. Kwi-pharmaceutical, i-Kojic Acid ayinayo i-mutagenic kwiiseli ze-eukaryotic, inokuphelisa kwakhona. i-radicals yangaphakathi yasimahla, yongeza amandla eseli emhlophe, kwaye ibe luncedo kwimpilo yomzimba womntu.Ngoko ke, i-Kojic Acid sele isetyenziswe njengezinto eziluhlaza ze-cephalosporins, kwaye imveliso egqityiweyo isetyenziselwa ukunyanga izifo ezifana nentloko kunye nezinyo, kunye nemiphumo ye-analgesic kunye ne-anti-inflammatory zilishumi. ingasetyenziselwa ukuvelisa izitshabalalisi zebhayoloji.Isichumiso se-bio micro (ulwelo olubomvu olunzulu), olwenziwe kwi-0.5 ukuya kwi-1% ye-Kojic Acids, igalelwa kwingqolowa kunye nemifuno, nokuba i-concentration ephantsi njengesichumisi se-foliar okanye i-agent ekhulayo yokukhula kwi-root application.I-Kojic Acid nayo ingakwazi isetyenziswe njenge-iron analysis reagent, ifilimu speckle inhibitor, ect.
Izibonelelo:
- Isiphumo sokuchasana nokuguga: Iimveliso eziqukethe i-Kojic Acid zinokulula ulusu, olunokuphucula ukubonakala kwamabala eminyaka kunye nomonakalo welanga.Ukunciphisa amabala amnyama kunokuba nefuthe lokuguga.
- Ukunyanga iMelasma:I-Kojic Acid inokuba luncedo ekunciphiseni i-melasma, eyenza isikhumba sibe mnyama ngenxa yokukhulelwa.
- Nciphisa inkangeleko yeZiva:I-Kojic Acid isenokunciphisa ukujika kombala kweziva.Nangona i-asidi ingaphuculi ubukhulu bezicubu ezibomvu, inokunciphisa umbala omnyama ohambelana neentlobo ezithile zeziva.Ukukhanyisa isiva kunokusenza singabonakali.
- IiNzuzo zeAntifungal:I-Kojic Acid nayo kucingelwa ukuba ineenzuzo ezithile ze-antifungal.Inokuba luncedo ekuthinteleni nasekunyangeni izifo ezithile zokungunda, ezifana nonyawo lomdlali kunye nosulelo lwegwele.
- Iimpembelelo zeAntibacteria: I-Kojic Acid inokubonelela ngeenzuzo ze-antibacterial.Inokunceda ukunciphisa amathuba okuphuhlisa iintlobo eziqhelekileyo zosulelo lolusu lwebhaktiriya.
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