aArbutin, White crystal ntụ ntụ, mfe soluble na mmiri, methanol, ethanol, propylene glycol, glycerin enweghị precipitates. Alfa Arbutin nke a makwaara dị ka 4-Hydroxyphenyl-alpha-D-glucopyranoside, bụ nke a na-ejikarị ejikọta na tyrosinase nke melanocytes na akpụkpọ ahụ ma gbochie ọrụ tyrosinase. Ọ bụ ihe na-ewu ewu na-acha ọcha na Japan na mba ndị ọzọ dị n'Eshia. A na-ejikarị ya na ude, isi ihe, nkpuchi ihu maka ịcha akpụkpọ na mwepụ frechles. Na ikike nke α-arbutin igbochi enzyme a (mmetụta na-acha ọcha) bụ ugboro 10 ruo 15 karịa nke β-arbutin.
① Alpha Arbutin kristal ntụ ntụ 98% HPLC
②Alfa Arbutin kristal 99.5% HPLC
Arbutin na-arụ ọrụ dị ka ihe na-acha ọcha iji belata melanin na akpụkpọ ahụ.
Arbutin nwere ike imechi pores na akpụkpọ ahụ, ọ nwekwara ike ịkwalite uto cell ma nyere aka gwọọ ọnyá akpụkpọ ahụ.
Arbutin na-ewerekwa dị ka ihe antiseptik na mgbochi mkpali.
Ihe nyocha | Nkọwapụta | Ụzọ |
Nnwale ihe ndị na-arụ ọrụ | ||
α-Arbutin | ≥99.5% | HPLC |
Hydroquinone | ≤1.00pm | HPLC |
Nnwale anụ ahụ | ||
Ọdịdị | White Crystal ntụ ntụ | Anya |
Nha urughuru | 90% gafere 60 mesh | Ch.P 2020 IV |
Ebe Na-agbaze | 202.0 ~ 210.0 ± 0.5 ℃ | Ch.P 2020 IV |
Ntụgharị ngwa anya akọwapụtara | +174.0˚~+186.0˚ | Ch.P 2020 IV |
Uru pH (ihe ngwọta 1%) | 5.0-7.0 | Ch.P 2020 IV |
Ihe dị n'ime mmiri | ≤0.5% | GB 5009.3 |
Ngụkọta ntụ | ≤0.5% | GB 5009.4 |
Nnwale kemịkalụ | ||
Ọla dị arọ | ≤50.00pm | GB 5009.11 |
Arsenic | ≤3.00pm | GB 5009.11 |
Ndu | ≤5.00pm | GB 5009.12 |
Cadmium | ≤2.00pm | GB 5009.15 |
Mercury | ≤1.00pm | GB 5009.17 |
Nnwale Microbiological | ||
Ngụkọta ọnụ ọgụgụ nje bacteria | ≤300cfu/g | GB 4789.2 |
Yist na ebu | ≤10cfu/g | GB 4789.15 |
Coliforms | ≤90MPN/100g | GB 4789.3 |
Salmonella | Ihe ọjọọ | GB 4789.4 |
Staphylococcus aureus | Ihe ọjọọ | GB 4789.10 |
Shigella | Ihe ọjọọ | GB 4789.5 |
★ Full usoro nke α-Arbutin na elu ịdị ọcha 99.5% ma ntụ ntụ na kristal ụdị.
★ High ịdị ọcha α- Abutin na obere Hydroquinone fọdụrụnụ na-erughị 0.1ppm ọbụna adịghị mma.
★ Standardized ngwaahịa, ezi uche price, ọkachamara ọrụ na-anọgide na-nyere.