Asiti ea Kojic
Asiti ea Kojice tsejoa e le 5- hydroxyl -2- hydroxymethyl -1 le 4- piranone.Ke motsoako o fokolang oa asiti o entsoeng ka ho belisoa ha likokoana-hloko.Fine tramperic acid ke nale e tšoeu kapa e mosehla joaloka kristale;E qhibiliha habonolo metsing, joala le acetone, e qhibiliha hanyenyane ka har'a ether, ethyl acetate, chloroform le pyridine, ha e qhibilihe ka har'a benzene;mokhoa oa eona oa molek'hule ke C6H6O4, Boima ba limolek'hule142.1, Ntlha ea ho qhibiliha153~156℃.
Lintlha tsa bohlokoa tsa Tekheniki
Ponahalo | Khalase e tšoeu kapa e soeufetse |
Tlhahlobo | ≥99.0% |
Sebaka se qhibilihang | 152-156℃ |
Tahlehelo ka ho omisa | ≤0.5% |
Masalla a ho Ignition | ≤0.1% |
Litšepe tse boima | ≤3 ppm |
Tšepe | ≤10 ppm |
Arsenic | ≤1 ppm |
Chloride | ≤50 ppm |
Alfatoxin | Ha e bonahale |
Lisebelisoa:
E sebelisoa tšimong ea litlolo.Letlalong la motho, tyrosine e entsoe ke oxidation e rarahaneng le polymerization ea li-radicals tsa mahala tsa oksijene tlas'a catalysis ea tyrosinase, 'me qetellong melanin e entsoe.Asiti ea Kojice ka thibela tlhahiso ea tyrosinase, kahoo e ka thibela ka matla ho thehoa ha melanin ea letlalo, 'me e sireletsehile ebile e se chefo,' me e ke ke ea hlahisa leukoplakia, kahooKojice kenyelelitsoe ka har'a metsi a litlolo, mask, emulsion, tranelate ea letlalo, 'me e ka sebetsana ka katleho le li-freckles, matheba a botsofali, li-pigmentation, li-acne le litlolo tse ling tse tšoeu. Kojic Acid 70 ho 80% ea bohlokoa e buelloa ka litlolo, ho eketsa 0.2 ho 1%.Kojic Acid ke lisebelisoa tse tala bakeng sa ho hlahisa maltol le ethyl maltol. li-radicals tsa mahala tsa kahare, li matlafatsa matla a sele e tšoeu, 'me li be molemo ho bophelo bo botle ba' mele oa motho.Ka hona, Kojic Acid e se e sebelisitsoe e le lisebelisoa tse tala tsa cephalosporins, 'me sehlahisoa se felileng se sebelisetsoa ho phekola maloetse a kang hlooho le leino le opang,' me liphello tsa analgesic le tse khahlanong le ho ruruha li leshome Arola se nepahetseng. e ka sebelisoa ho hlahisa chefo e bolaeang likokoana-hloko.Manyolo a bio micro (mokelikeli o mofubelu o tebileng), o entsoeng ka 0.5 ho ea ho 1% Kojic Acids, o sebelisoa lijo-thollo le meroho, ebang ke motsoako o fokolang e le manyolo a foliar kapa kemiso e ntseng e eketseha ea ho sebelisoa ha metso.Kojic Acid e ka boela ea sebelisoa. e ka sebelisoa e le reagent ea ho hlahloba tšepe, filimi ea speckle inhibitor, ect.
Melemo:
- Phello e thibelang botsofali: Lihlahisoa tse nang le Kojic Acid li ka khantša letlalo, tse ka ntlafatsang ponahalo ea matheba a lilemo le tšenyo ea letsatsi.Ho fokotseha ha matheba a lefifi ho ka ba le phello e khahlanong le botsofali.
- Phekola Melasma:Kojic Acid e ka boela ea thusa ho fokotsa melasma, e leng ho fifala ha letlalo ka lebaka la boimana.
- Fokotsa Ponahalo ea Maqeba:Kojic Acid e ka boela ea fokotsa ho fifala ha maqeba.Le hoja asiti e sa ntlafatse botenya ba maqeba, e ka fokotsa 'mala o lefifi o amanang le mefuta e itseng ea mabali.Ho khantša lebali ho ka etsa hore le se ke la bonahala haholo.
- Melemo ea Antifungal:Kojic Acid e boetse e nahanoa hore e na le melemo e meng ea antifungal.E ka thusa ho thibela le ho alafa mafu a itseng a fungal, joalo ka mafu a leoto la moatlelete le tomoso.
- Liphello tsa Antibacterial: Kojic Acid e ka boela ea fana ka melemo ea antibacterial.E ka thusa ho fokotsa menyetla ea ho ba le mefuta e tloaelehileng ea mafu a letlalo a baktheria.
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