Beta Arbutin 497-76-7 na-egbuke egbuke akpụkpọ
Ụgwọ:T/T, L/C
Isi mmalite ngwaahịa:China
Ọdụ ụgbọ mmiri:Beijing/Shanghai/Hangzhou
Nye iwu (MOQ):1 n'arọ
Etiti oge:3 ụbọchị ọrụ
Ike mmepụta:1000kg / ọnwa
Ọnọdụ nchekwa:Echekwara ya na ebe dị jụụ, ebe akọrọ, okpomọkụ ụlọ.
Ihe ngwugwu:drum
Nha ngwugwu:1kg / drum, 5kg / drum, 10kg / drum, 25kg / drum
Okwu mmalite
A na-eji β-Arbutin mee ihe dị ka ihe na-acha ọcha maka ịchịkwa ọgbọ nke pigmenti melanin, nke bụ ihe na-eme ka ọkpụkpụ na agba agba.
A maara ya dị ka ihe dị na ahịhịa ericaceous nke a na-akpọ akwụkwọ bearberry.Discoloration na freckles na-eme n'ihi ikuku oxygen na-arụ ọrụ nke na-emepụta na akpụkpọ ahụ site na ikpughe na UV na ìhè anyanwụ, nchekasị, mmetọ ikuku, wdg, nke na-eme ka tyrosinase na enzyme na-arụ ọrụ na-akwalite ntụgharị nke tyrosine na melanocytes (sel pigmenti) na pigmenti melanin.A na-ekwu na β-Arbutin gosipụtara mmetụta ịcha ọcha site na ibelata mmepụta nke melanin pigmenti site na ịrụ ọrụ ozugbo na tyrosinase na melanocytes.
Nkọwapụta (nnwale 99.5% nke HPLC)
Nnwale ihe | Ọkọlọtọ |
Ọdịdị | White crystalline ntụ ntụ |
Nyocha | 99.5% nkeji |
Ebe mgbaze | 198.5-201.5 ℃ |
Ịdị ọcha nke ngwọta mmiri | Nghọta, enweghị agba, ọ nweghị ihe kwụsịtụrụ |
PH uru nke 1% aqueous ngwọta | 5-7 |
Ntụgharị anya pụrụ iche | [a]D20= -66±2° |
Arsenic | ≤2pm |
Hydroquinone | ≤10ppm |
Igwe dị arọ | ≤10ppm |
Ọnwụ na ihicha | ≤0.5% |
Ihe fọdụrụ mgbanye | ≤0.5% |
Ọrịa nje | Ihe nje bacteria ≤300cfu/g |
Fungus ≤100cfu/g |