nke Chinese Stone Machinery
INCI | Molecula | MW |
Nicotinamide, Pyridine-3-Carboxyamide | C6H6N2O | 122.13 |
Solubility: Na-agbaze kpamkpam na mmiri na mmanya, soluble na glycerin
Niacinamide ma ọ bụ nicotinamide (NAM) bụ ụdị vitamin B3 dị na nri ma jiri ya mee ihe dị ka ihe mgbakwunye nri na ọgwụ.Dị ka ihe mgbakwunye, a na-eji ọnụ egbochi na ịgwọ pellagra ( erughi niacin ).Ebe enwere ike iji nicotinic acid (niacin) mee ihe maka ebumnuche a, niacinamide nwere abamuru nke emeghị ka akpụkpọ ahụ na-agbapụta.Dị ka ude, a na-eji ya agwọ ihe otutu.Ọ bụ vitamin soluble mmiri.
Mmetụta dị ntakịrị.Na nnukwu doses, nsogbu imeju nwere ike ime.Ọnụ ego nkịtị dị mma maka iji n'oge ime ime.Niacinamide dị na ezinụlọ vitamin B nke ọgwụ, kpọmkwem vitamin B3 mgbagwoju.Ọ bụ nicotinic acid dị n'ime.Nri nwere niacinamide gụnyere yist, anụ, mmiri ara ehi, na akwụkwọ nri akwụkwọ ndụ akwụkwọ ndụ.
Achọpụtara Niacinamide n'etiti 1935 na 1937. Ọ dị na Ndepụta Ọgwụ Ndị Dị Mkpa nke Òtù Ahụ Ike Ụwa.Niacinamide dị ka ọgwụ ọnyà na n'elu ụlọ ahịa.Azụmahịa, a na-eme niacinamide site na nicotinic acid (niacin) ma ọ bụ nicotinonitrile.N'ọtụtụ mba ọka niacinamide agbakwunyere ha.
Ọ bụ nke vitamin B, na-ekere òkè na metabolism na ahụ, enwere ike iji gbochie pellagra ma ọ bụ ọrịa nkwarụ niacin ndị ọzọ.A na-eji ya maka ụlọ ahịa ọgwụ, nri additi Ngwaahịa a na-arụ ọrụ dị ka ndị a:
Nke mbụ, melanin dị n'ime akpụkpọ ahụ nke melanin cell, ma oge a, ọ bụkwa n'ime ya, e mesịa, a na-ebufe tentcles gaa na sel keratin gbara ya gburugburu, nicotinamide nwere ike igbochi nnyefe nke melanin, mee ka melanin e melanocyte nọrọ n'ime ka ọ ghara ịbịa. pụta, yabụ agaghị anọgide na-emepụta mkpụrụ ndụ melanin melanin, nke abụọ, anya mmadụ agaghị ahụ melanin n'elu anụ ahụ, iji nweta mmetụta na-acha ọcha.
Nke abụọ, niacinamide na-egosi na nwere mmetụta dị mma nke saccharification, karịsịa mgbe 2015 gasịrị, okwu ahụ bụ "saccharification nke ukwuu nyocha nyocha, ọtụtụ ọrịa physiological gosiri na na saccharification (mmeghachi omume maillard), ihe na-emepụta site na saccharification bụ aja aja, nwere ike ikwe ka. akpụkpọ ahụ dị ka oji, yabụ nguzogide mash na-enyekwa aka na-acha ọcha.ves, ihe mgbakwunye nri, ihe ịchọ mma, wdg.
N'ime nnwale a na-achịkwa nke isiokwu 20, uwe mkpuchi nicotinamide ugboro ugboro na ntinye uche dị ala (0.2%) dịkwa irè n'ibelata immunosuppression akpụkpọ ahụ nke radieshon UV dị warara nke na-eṅomi ìhè anyanwụ.0.2% nke itinye uche dị irè, anyị na-ejikarị nicotinamide dabere na ngwaahịa nlekọta anụ ahụ ịta n'ozuzu karịa 2%, ntinye kachasị mma nke 4% ~ 5%.Ya mere, tinye nicotinamide wepụ tupu itinye sunscren.
Ihe | Ọkọlọtọ |
Ọdịdị (20oC) | ọcha crystalline ntụ ntụ |
Ebe mgbaze: | 128-131 Celsius C |
Ọnwụ na ihicha: | <0.5% |
Ihe fọdụrụ na mgbanye: | <0.1% |
Ọla dị arọ: | <0.003% |
Carbonizable ngwa ngwa: | enweghị agba karịa Matching Fluid A |
Nyocha: | 98.5% -101.5% |
25kgs / drum, eriri eriri nwere akpa polyethylene n'ime
Ọnwa 24
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