yeChinese Stone Machinery
INCI | Molecula | MW |
Nicotinamide, Pyridine-3-Carboxyamide | C6H6N2O | 122.13 |
Solubility: Kunyungudika zvakasununguka mumvura uye doro, soluble mu glycerin
Niacinamide kana nicotinamide (NAM) imhando yevhitamini B3 inowanikwa muchikafu uye inoshandiswa sekuwedzera kwechikafu uye mushonga.Sekuwedzera, inoshandiswa nemuromo kudzivirira nekurapa pellagra (kushomeka kweniacin).Nepo nicotinic acid (niacin) inogona kushandiswa kuita izvi, niacinamide ine pundutso yekusakonzera kutsvuka kweganda.Se cream, inoshandiswa kurapa acne.Ivhitamini inonyungudika mumvura.
Migumisiro ishoma.Pakunwa zvakanyanya matambudziko echiropa anogona kuitika.Mari yakajairika yakachengeteka kuti ishandiswe panguva yekuzvitakura.Niacinamide iri mumhuri yevhitamini B yemishonga, kunyanya iyo vhitamini B3 yakaoma.Iyo amide ye nicotinic acid.Zvokudya zvine niacinamide zvinosanganisira mbiriso, nyama, mukaka, nemiriwo yakasvibira.
Niacinamide yakawanikwa pakati pa1935 na1937. Iri paWorld Health Organisation's List of Essential Medicines.Niacinamide inowanikwa semushonga wegeneric uye pamusoro pekaunda.Mukutengesa, niacinamide inogadzirwa kubva ku nicotinic acid (niacin) kana nicotinonitrile.Munyika dzinoverengeka zviyo zvine niacinamide yakawedzerwa kwazviri.
Iyo ndeye Vitamin B, inotora chikamu mune metabolism mumuviri, inogona kushandiswa kudzivirira pellagra kana imwe niacin defection chirwere.Inoshandiswa kuchitoro chemishonga, chikafu chekuwedzeraIchi chigadzirwa chinoshanda sezvinotevera:
Kutanga, melanin yakadzika mukati meganda re melanin sero, asi panguva ino, zvakare mukati, gare gare matende anotamirwa kune akapoteredza keratin masero, nicotinamide inogona kukanganisa kuendeswa kwe melanin, kuita kuti melanin yave melanocyte igare mukati isingauye. kunze, saka hazvizoenderera mberi nekugadzira melanin melanin masero, Chechipiri, melanin haizoonekwe neziso remunhu pamusoro peganda, kuitira kuti iwane kuchena mhedzisiro.
Chechipiri, niacinamide inoratidza kuti ine mhedzisiro yakanaka yekusaccharification, kunyanya mushure me2015, izwi rekuti "saccharification yakadzama tsvakiridzo yakadzama, zvirwere zvakawanda zvefiziological zvakaratidza kuti nesaccharification (maillard reaction), zvinhu zvinogadzirwa nesaccharification zvine brown, zvinogona kurega. ganda rinotaridzika dema, saka mash kuramba kunobatsirawo kuchena.ves, feed additives, cosmetic, nezvimwe.
Muchiedzo chinodzorwa chezvidzidzo zve20, majasi akadzokororwa anodzokororwa e nicotinamide panguva yakaderera (0.2%) akashandawo mukuderedza ganda rekudzivirira muviri rinokonzerwa neyakamanikana-spectrum UV mwaranzi inotevedzera chiedza chezuva.0.2% yekumisikidzwa inoshanda, uye isu tinowanzo shandisa nicotinamide yakavakirwa ganda rekuchengetedza zvigadzirwa zveganda zvinowanzopfuura 2%, iyo yakanyanya kusungwa ye4% ~ 5%.Saka isai nicotinamide yakatorwa usati waisa sunscren.
Item | Standard |
Kuonekwa (20oC) | white crystalline powder |
Melting point: | 128-131 °C |
Kurasikirwa pakuomeswa: | <0.5% |
Zvakasara pakubatidza: | <0.1% |
Heavy metals: | <0.003% |
Zviri nyore carbonizable: | hapasisina ruvara kupfuura Matching Fluid A |
Assay: | 98.5% -101.5% |
25kgs/drum, faibha chigubhu chine polyethylene bag mukati
24month
Shading uye yakavharwa kuchengetedza
Zvinoenderana nezvido zvako chaizvo, sarudza inonzwisisika yakazara dhizaini uye kuronga maitiro