NICOTINAMIDE
Intangiriro
Niacinamide, izwi kandi nka nicotinamide, vitamine B3 cyangwa vitamine PP, ni vitamine ishongera mu mazi kandi ibarirwa muri vitamine B. Igice cya niacinamide kiri muri izi ngirabuzimafatizo ebyiri za coenzyme mu mubiri w'umuntu gifite imiterere yo kongeramo hydrogen ya Chemicalbook na dehydrogenation, bigira uruhare mu gushonga kwa binyabuzima. Gukwirakwiza hydrogen bishobora guteza imbere guhumeka kw'ingingo, inzira ya oxidation y'ibinyabuzima n'imikorere y'umubiri, ibi bikaba bifite akamaro kanini mu kubungabunga ubusugire bw'ingingo zisanzwe, cyane cyane uruhu, inzira y'igogora n'imitsi. Iyo ibuze, itera prosthema kuko guhumeka no gushonga kw'uturemangingo biragira ingaruka.
Imiterere y'ibinyabutabire
Niacinamide ni ifu y'umweru ifite ishusho ya kristu cyangwa kristu, nta mpumuro cyangwa impumuro nke, kandi irasharira gato. Ubucucike ni 1.4, kandi aho gushonga ni 129-131℃. 1g y'iki gicuruzwa irashongeshwa muri 1ml y'amazi, 1.5ml ya ethanol cyangwa 10ml ya glycerine, kandi ntishongeshwa muri ether. Irahamye. Irwanya aside, alkali n'ubushyuhe bwinshi. Irahamye ku rumuri n'ubushyuhe mu kirere cyumye. Iyo ishyushye mu bisubizo bya alkali cyangwa aside, ikora niacin.
Imikorere y'umubiri
Ubushobozi bwiza bwo kurwanya iminkanyari Ubushobozi bwa niacinamide bwo kurwanya iminkanyari ni uko ishobora gukora ChemicalbookATP, igatanga imbaraga ku turemangingo twa keratin, yongera imikorere ya collagen, kandi ikagira imikoranire myiza, ishobora gukoreshwa n'ibindi bintu birwanya iminkanyari. Ubushakashatsi bwinshi bwakorewe mu gihugu no mu mahanga bwagaragaje ko niacinamide ishobora kugabanya neza ikibazo cyo kudakora neza kw'ubudahangarwa bw'uruhu bitewe n'imirasire ya ultraviolet.
