Ko te Arbutin ka taea te tango mai i nga tipu penei i te bearberry me te whakahiato ma te tikanga matū.Ko Arbutin Synthesized i tenei wa ko tetahi o nga kaihoko hypopigmenting tino whakamahia i roto i nga mahi whakapaipai.Ka taea hoki e Arbutin te whakamakuku i te kiri e tino marama ana te ahua, na reira ka whakamahia te arbutin ki te uira kiri me nga maatete ki nga mahi whakapaipai.
Ko te Arbutin ko Alpha-Arbutin me Beta-Arbutin.Mo nga korero taipitopito o te hua, ka taea e koe te toro ki te hono: https://www.yrchemspec.com/alpha-arbutin-product/
Tawhā Hangarau Matua:
Nga taonga | Arepa-Arbutin | Beta-Arbutin |
Te ahua | Paura Tioata Ma | Te paura ma |
Te whakamatautau | 99.0% min. | 99.5%min |
Te rewa | 202~207 ℃ | 198.5~201.5℃ |
Te marama o te wairewa wai | He maamaa, he kore tae, kaore he take i whakatarewahia | He maamaa, he kore tae, kaore he take i whakatarewahia |
Te maama me te tae o te otinga | He maama me te kore tae | |
uara pH o te 1% wairewa wai | 5.0~7.0 | 5.0~7.0 |
Te hurihanga whatu motuhake | 【ɑ】D20=+176~184° | 【α】D20=-66±2º |
Arsenic | ≤2 ppm | ≤2 ppm |
Hydroquinone | ≤10 ppm | ≤10 ppm |
Te whakarewa taumaha | ≤10 ppm | ≤10 ppm |
Ngaronga i te whakamaroke | ≤0.5% | ≤0.5% |
Te toenga mura | ≤0.5% | ≤0.5% |
Patogene | Huakita: ≤100cfg/g max.Fungus: ≤100 cfu/g | Huakita:≤300cfu/gFungus:≤100cfu/g |
Ko nga take o te pigmentation:
Ko te tae o te kiri ka whakatauhia e te taunekeneke o nga tae rereke.Ko te tae parauri ka puta mai i te eumelanin me te phaeomelanin, he mea hanga i roto i nga pūtau epidermal motuhake e kiia nei ko melanocytes.Ko te enzyme tyrosinase, i te nuinga o te waa kei roto i te ahua ngoikore, ka hangaia i roto i enei melanocytes.Ko tana whakahoahoa e te rama UV ka paheke te melanogenesis, he raupapa matatini o nga tauhohenga matū enzymatic ka mutu ka puta te hanganga o nga melanins, ka puta he rerekee kore e pai ki te mata o te kiri e kitea ana he waahi tawhito, he melasma, he kowhatu ranei.
Hangahanga Mahi:
Ko Arbutin he glycosylated hydroquinone ka puta mai i roto i nga momo 2, te Alpha-Arbutin me te Beta-Arbutin.E kiia ana ko nga Arbutins te mea tino pai hei whakamarama kiri na te mea ka awhina i te aukati i te koiora melanin epidermal.Ka awhina ki te aukati i te biosynthesis melanin epidermal ma te aukati i te waiora enzymatic o Tyrosine me Dopa.
Kua kitea he hua pai ake a Alpha-Arbutin, ahakoa ka whakatauritea ki ona ngota ngota matū-rite, hydroquinone me te beta-arbutin.I tua atu i te kaha ake o te kaha, he pai ake te ahua o te haumarutanga ki te whakarite ki te hydroquinone, a he pai ake ki te whakataurite ki te beta-arbutin.Ko enei ahuatanga ka pai ake te mahi mo te whakamarama o te kiri me te whakaiti i nga waahi pouri ki te kiri.
Hydroquinone me Arepa Arbutin
Ko te Hydroquinone kua roa kua kiia ko te paerewa koura mo te maimoatanga o te hyperpigmentation.Ahakoa ko nga rangahau haumanu e whakaatu ana i nga urupare whakahekenga pai rawa atu na te 2% hydroquinone, kua kitea ano he hua kino kino.Ko etahi o enei ko te ochronosis o waho, ko te katarakate, ko te milia colloided, ko te sclera, me te whakangao maikuku, te ngaronga o te kiri, te ngoikore o te whakaora i nga patunga me te whakaputanga o te kakara ika.Ka taea hoki e te Hydroquinone te kino o te DNA.Ko enei paanga kino ka whakaiti i te whakamahinga o te hydroquinone.
Kua whakamatauhia a Alpha-Arbutin ki te whai i te painga o te whakamarama me te kore o te paitini me te riri e pa ana ki te hydroquinone.
Nga hua tiaki kiri kei roto arbutin:Kirīmi kiri, kirīmi freckle, kirīmi peara tino pai me te kiri kanohi.
Wā tuku: Maehe-23-2021