α Arbutin, ufa wa kristalo woyera, wosungunuka mosavuta m'madzi, methanol, ethanol, propylene glycol, glycerin popanda mpweya. Alpha Arbutin, yemwenso amadziwika kuti 4-Hydroxyphenyl-alpha-D-glucopyranoside, amagwiritsidwa ntchito makamaka kumangirira ku tyrosinase ya melanocytes pakhungu ndikuletsa ntchito ya tyrosinase. Ndiwothandizira kuyera ku Japan ndi mayiko ena aku Asia. Amagwiritsidwa ntchito makamaka mu zonona, kwenikweni, chigoba cha nkhope pakuyeretsa khungu ndikuchotsa ma frechles. Ndipo kuthekera kwa α-arbutin kuletsa enzyme iyi (yoyera) ndi nthawi 10 mpaka 15 kuposa β-arbutin.
①Alpha Arbutin ufa wa kristalo 98% HPLC
②Alpha Arbutin crystal 99.5% HPLC
❶α Arbutin amagwira ntchito ngati yoyera kuti achepetse melanin pakhungu.
❷α Arbutin imatha kulimbitsa pores ndi khungu, imatha kulimbikitsanso kukula kwa ma cell ndikuthandizira zilonda zapakhungu kuchira.
❸α Arbutin amawonanso ngati antiseptic ndi anti-yotupa.
Kusanthula Zinthu | Zofotokozera | Njira |
Mayeso Yogwira Zosakaniza | ||
α-Arbutin | ≥99.5% | Mtengo wa HPLC |
Hydroquinone | ≤1.00ppm | Mtengo wa HPLC |
Mayesero akuthupi | ||
Maonekedwe | White Crystal Powder | Zowoneka |
Tinthu kukula | 90% imadutsa 60mesh | Ch.P 2020 IV |
Melting Point | 202.0 ~ 210.0 ± 0.5 ℃ | Ch.P 2020 IV |
Specific Optical Rotation | +174.0˚~+186.0˚ | Ch.P 2020 IV |
pH mtengo (1% yankho) | 5.0-7.0 | Ch.P 2020 IV |
Zomwe zili m'madzi | ≤0.5% | GB 5009.3 |
Phulusa lonse | ≤0.5% | GB 5009.4 |
Mayeso a Chemical | ||
Zitsulo Zolemera | ≤50.00ppm | GB 5009.11 |
Arsenic | ≤3.00ppm | GB 5009.11 |
Kutsogolera | ≤5.00ppm | GB 5009.12 |
Cadmium | ≤2.00ppm | GB 5009.15 |
Mercury | ≤1.00ppm | GB 5009.17 |
Mayeso a Microbiological | ||
Chiwerengero cha Mabakiteriya Onse | ≤300cfu/g | GB 4789.2 |
Yisiti ndi Molds | ≤10cfu/g | GB 4789.15 |
Coliforms | ≤90MPN/100g | GB 4789.3 |
Salmonella | Zoipa | GB 4789.4 |
Staphylococcus aureus | Zoipa | GB 4789.10 |
Shigella | Zoipa | GB 4789.5 |
★ Mndandanda wathunthu wa α-Arbutin wokhala ndi chiyero chachikulu 99.5% onse a ufa ndi mawonekedwe a kristalo.
★ Kuyera kwambiri α- Abutin ndi zotsalira zochepa za Hydroquinone zosakwana 0.1ppm ngakhale zoipa.
★ Zogulitsa zokhazikika, mtengo wololera, ntchito zamaluso zimaperekedwa mosalekeza.