Beta Arbutin, nke a makwaara dị ka 4-Hydroxyphenyl-beta-D-glucopyranoside, na-ejikarị ejikọta na tyrosinase nke melanocytes na akpụkpọ ahụ ma gbochie ọrụ tyrosinase. Tyrosinase bụ isi enzyme maka melanocytes anụ ahụ iji mepụta melanin. Ọ bụrụ na egbochiri ọrụ ya, ọ nweghị ike imepụta melanin. Mbelata nke melanin na akpụkpọ ahụ nwere mmetụta nke ịcha ọcha na ntụpọ ọkụ, ya mere a na-eji Arbutin eme ihe na-acha ọcha akpụkpọ anụ ma wepụ ntụpọ ojii.
① Beta Arbutin kristal 98% HPLC
② Beta Arbutin kristal 99.5% HPLC
❶ Beta Arbutin na-arụ ọrụ dị ka ihe na-acha ọcha iji belata melanin na akpụkpọ ahụ.
❷ Beta Arbutin nwere ike imechi pores ma mee ka akpụkpọ ahụ sie ike.
❸ Beta Arbutin na-ewerekwa dị ka ihe antiseptik na mgbochi mkpali.
Ihe nyocha | Nkọwapụta | Ụzọ |
Nnwale ihe ndị na-arụ ọrụ | ||
β-Arbutin | ≥99.5% | HPLC |
Hydroquinone | ≤10ppm | HPLC |
Nnwale anụ ahụ | ||
Ọdịdị | White Crystal ntụ ntụ | Anya |
Nha urughuru | 95% gafere 60 mesh | Ch.P 2020 IV |
Ebe Na-agbaze | 199-201 ℃± 0.5 ℃ | Ch.P 2020 IV |
Ntụgharị ngwa anya akọwapụtara | [a]D20= -64~-66.0°±2° | Ch.P 2020 IV |
Uru pH (ihe ngwọta 1%) | 5.0-7.0 | Ch.P 2020 IV |
Ihe dị n'ime mmiri | ≤0.50% | GB 5009.3 |
Ngụkọta ntụ | ≤0.50% | GB 5009.4 |
Nnwale kemịkalụ | ||
Ọla dị arọ | ≤50.00pm | GB 5009.11 |
Arsenic | ≤3.00pm | GB 5009.11 |
Ndu | ≤3.00pm | 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 Beta Arbutin na elu ịdị ọcha 99.5% n'elu.
★ High ịdị ọcha ma ọ bụrụ na Abutin na obere Hydroquinone fọdụrụnụ na-erughị 1ppm.
★ Standardized ngwaahịa, ezi uche price, ọkachamara ọrụ na-anọgide na-nyere.