Beta Arbutin 497-76-7 Kupenya kweganda
Kubhadhara:T/T, L/C
Kwakabva Chigadzirwa:China
Shipping Port:Beijing/Shanghai/Hangzhou
Order (MOQ):1kg
Nguva Yekutungamira:3 mazuva ekushanda
Kukwanisa kugadzira:1000kg / mwedzi
Mamiriro ekuchengetedza:Kuchengetwa munzvimbo inotonhorera, yakaoma, tembiricha yekamuri.
Package zvinhu:ngoma
Pakeji saizi1kg/drum, 5kg/drum, 10kg/drum, 25kg/drum
Nhanganyaya
β-Arbutin inoshandiswa sechinhu chinochenesa chekudzora kugadzirwa kwe melanin pigments, izvo zvinhu zvinokonzeresa kushanduka uye mafinya.
Iyo inozivikanwa sechinhu chiri mu ericaceous herbs inonzi bearberry leaf.Discoloration uye freckles inoitika nekuda kweiyo reactive oxygen inogadzirwa muganda nekusangana neUV muchiedza chezuva, kushushikana, kusvibiswa kwemuchadenga, nezvimwewo, iyo inomisa tyrosinase uye iyo yakashongedzwa enzyme inosimudzira kushandurwa kwe tyrosine mu melanocytes (pigment masero) kune melanin pigments.β-Arbutin inonzi inoratidza kuchena mhedzisiro nekudzikisa kugadzirwa kwe melanin pigments nekushanda zvakananga pa tyrosinase mune melanocytes.
Tsanangudzo (yedzo 99.5% neHPLC)
Test Items | Standard |
Chitarisiko | White crystalline powder |
Assay | 99.5% min |
Melting point | 198.5-201.5℃ |
Kujeka kwemhinduro yemvura | Transparency, colorless, hapana akamisa nyaya |
PH kukosha kwe1% aqueous solution | 5-7 |
Specific optical rotation | [α]D20=-66±2° |
Arsenic | ≤2ppm |
Hydroquinone | ≤10ppm |
Simbi inorema | ≤10ppm |
Kurasikirwa pakuomeswa | ≤0.5% |
Ignition yasara | ≤0.5% |
Pathogen | Utachiona ≤300cfu/g |
Howa ≤100cfu/g |