Nnukwu ego Zeaxanthin - β Arbutin ntụ ntụ 99% onye na-ahụ maka ịcha ọcha na Korea - Ụzọ ahụike
Nnukwu ego Zeaxanthin - β Arbutin ntụ ntụ 99% onye na-ahụ maka ịcha ọcha na Korea - Nkọwa ụzọ ahụike:
β-Arbutin Okwu Mmalite
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.
Isi nkọwa nkeBeta Arbutin
① Beta Arbutin kristal 98% HPLC
② Beta Arbutin kristal 99.5% HPLC
Uru nke Beta Arbutin
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.
Mpempe akwụkwọ nkọwapụta nke Beta Arbutin 98%
| 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 |
Ngwa ngwa
Gịnị mere Họrọ Anyị
★ 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.
Foto nkọwa ngwaahịa:
Ntuziaka ngwaahịa emetụtara:
Anyị nwere elu mmepụta akụrụngwa, ahụmahụ na ruru eru injinia na ndị ọrụ, ghọtara àgwà akara usoro na enyi na enyi ọkachamara ahịa otu tupu / mgbe-ahịa nkwado maka Big Discount Zeaxanthin - β Arbutin ntụ ntụ 99% Popular Whitenning Agent na Korea - Healthway , Ngwaahịa ga Nyefee na ụwa niile, dị ka: Philippines, Honduras, Greenland, Anyị dị mpako ịnye ngwaahịa anyị na ngwọta nye ndị ahịa ọ bụla gburugburu ụwa na ọrụ anyị na-agbanwe, ngwa ngwa na-arụ ọrụ nke ọma na ụkpụrụ njikwa njikwa siri ike nke kwadoro na otuto mgbe niile. site n'aka ndị ahịa.
Site na Elva si Seychelles - 2017.01.28 19:59 Ndị ọrụ ụlọ ọrụ mmepụta ihe nyere anyị ọtụtụ ndụmọdụ dị mma na usoro imekọ ihe ọnụ, nke a dị ezigbo mma, anyị nwere ekele dị ukwuu.
Site na Sandy si Sudan - 2018.12.30 10:21 
