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Zinc Pyrithione (ZPT): He Werohanga Rohe-maha

 

He aha te Zinc Pyrithione?

Ko te Zinc pyrithione (ZPT) he matatini konutea waro me te tauira ngota o C₁₀H₈N₂O₂S₂Zn (taimaha rāpoi 317.7). Ko tona ingoa i ahu mai i nga kai pakiaka o te tipu Annonaceae Polyalthia nemoralis, engari kua whakamahia e te ahumahi hou te whakahiato matū hei whakaputa. I te tau 2024, ka pakaru te tukanga arai a Haina i roto i te pounamu parakore, ka whakahaeretia te waikawa crotonic poke i raro iho i te 16ppm na roto i te methanol-acetone graded crystallization, ka piki ake te purenga o te ho'oraa ki te 99.5%.

 

Āhuatanga ā-tinana me te matū:

Te ahua me te wairewa: he ma ki te paku kowhai te paura tioata, tata korere i roto i te wai (<0.1g/100mL), paku wairewa i roto i te waihano, te whakarewatanga i roto i te polyethylene glycol ka eke ki te 2000mg/kg;

Ko nga ngoikoretanga o te pumau: he tairongo ki te marama me te waikura, he ngawari te whakaheke i te rama ultraviolet, te takai parauri e hiahiatia ana; Ko te ngoikoretanga o te wehewehe i te pH <4.5,> 9.5 ranei, ko te pH tino pai ko te 4.5-9.5;

Waahanga waahana te waahi nui: ka mau mo te 120 haora i te 100℃, engari ka tere te pirau ki runga ake i te 240℃;

Te hotokoretanga: ka heke ki te hau katoo, chelates me nga katote rino/parahi (taea ki te 1ppm ka huri kowhai te hua).

 

He aha NgaNga paingaO Zinc Pyrithione ?

Ka whakatutukihia e te ZPT te whakamaaramatanga whanui (e whai hua ana ki nga momo moroiti e 32) na roto i te tikanga whakawhiti katote ahurei, ina koa mo Malassezia, te kaipahua o te pakitea, me te MIC iti iho i te 8ppm:

 

1. Whakangaronga Rōnaki Katote

I roto i te taiao waikawa, ko te H⁺ te whakauru ki roto i te huakita me te K⁺ te whakaputanga, a, i roto i te taiao kawakore, ka whakakapihia te Na⁺/Mg²⁺, ka pakaru te punaha kawe matūkai moroiti;

 

2. Te Waahi Membrane Pūtau

Te whakauru ki roto i te phospholipid bilayer, te whakanui ake i te uruhanga kiriuhi me te tuku i te riipene rauemi intracellular;

 

3. Te Whakamahi Enzyme Inhibition

Te aukati i te mekameka kawe irahiko me te aukati i nga whaaamu matua o te whakangao pūngao (pērā i te ATP synthase).

 

Manatoko haumanu: I muri i te whakamahi shampoo kei roto 1.5%zincpyrithionemo nga wiki e 4, ka whakahekehia te pakitea ki te 90%, ka heke te reanga o te mate seborrheic dermatitis e 60%.

 

 

He aha NgaTaupāngaOf Zinc Pyrithione?

1. Mara matū ia rā:

Ka taea te whakamahi i roto i te 70% o te shampoo anti-dandruff, me te taapiri o te 0.3%-2%;

 

Ko etahi hua whakapaipai ka aukati i te whakamahinga o te zinc pyrithione me te tohu "horoia i muri i te whakamahinga". Ka taea e koe te whakamahi i te hua rereke piroctone ethanolamine (OCT).

 

2. Ahumahi Anti-Corrosion:

Revolution anti-fouling: ka whakahuihuitia ki te waikura kapu hei aukati i te whakapiringa o te paoa me te whakaiti i te kai wahie o te kaipuke ma te 12%;

 

3. Ahuwhenua me nga Rawa:

Te whakamarumaru kakano: 0.5% te maatete whakakikorua hei aukati i te koriri me te whakanui ake i te tere whakatipu ma te 18%;

 

Te muka antibacterial: te papanga polyester kua honoa he reeti antibacterial o> 99%.

 

4. Toronga Hauora:

E toru nga take o te whakamatautau kino (kare he mate pukupuku/teratogenicity/mutagenicity), whakamahia mo te kiri hakihaki me te paninga antibacterial o nga taputapu rongoa.

 

Tohutohu:

Ahakoa te paitini waha whakapekaof zinc pyrithionehe iti (LD₅₀>1000mg/kg i nga kiore), nga whakatupato haumanu i nga tau tata nei:

 

Ko te paitini o te kiri: ko te whakapa atu mo te wa roa ka puta te mate mate mate mate, me te whakapa atu ki te kamo ka puta te conjunctivitis;

 

Contraindications tino:

→ Te kiri whati (ka piki ake te uruhanga e 3 nga wa, ka puta he whakaaturanga nahanaha);

→ Nga wahine hapu me nga tamariki (kua ngaro nga raraunga urunga arai toto-roro);

 

Whakawhanaungatanga tarukino: A ape i te whakamahi tahi me te EDTA (ka whakaitihia te kaha o te raau taero ki te chelating zinc ions).

 

NEWGREEN Whakarato Kounga TeiteiZinc PyrithionePaura


Wā tuku: Hūrae-09-2025