Tuam Tshoj Nicotinamide (Niacinamide) Chaw tsim tshuaj paus
Nicotinamide Taw Qhia:
| INCI | Molecula | MW |
| Nicotinamide, Pyridine-3-Carboxyamide | C6H6N2O | 122.13 Nws |
Solubility: Dawb soluble hauv dej thiab cawv, soluble hauv glycerin
Niacinamide los yog nicotinamide (NAM) yog ib daim ntawv ntawm vitamin B3 nyob rau hauv cov zaub mov thiab siv raws li kev noj haus thiab tshuaj.Ua ib qho ntxiv, nws yog siv los ntawm qhov ncauj los tiv thaiv thiab kho pellagra (niacin deficiency).Thaum nicotinic acid (niacin) tuaj yeem siv rau lub hom phiaj no, niacinamide muaj txiaj ntsig tsis ua rau tawv nqaij.Raws li ib tug cream, nws yog siv los kho pob txuv.Nws yog ib qho dej-soluble vitamin.
Kev mob tshwm sim tsawg heev.Thaum noj tshuaj siab yuav muaj teeb meem rau daim siab.Cov nqi ib txwm muaj kev nyab xeeb rau kev siv thaum cev xeeb tub.Niacinamide yog nyob rau hauv cov tshuaj vitamin B tsev neeg, tshwj xeeb yog cov vitamin B3 complex.Nws yog ib qho amide ntawm nicotinic acid.Cov zaub mov uas muaj niacinamide muaj xws li poov xab, nqaij, mis nyuj, thiab zaub ntsuab.
Niacinamide tau tshawb pom thaum xyoo 1935 thiab 1937. Nws yog nyob rau hauv World Health Organization's List of Essential Medicines.Niacinamide muaj nyob rau hauv cov tshuaj generic thiab tshaj lub txee.Kev lag luam, niacinamide yog tsim los ntawm nicotinic acid (niacin) lossis nicotinonitrile.Hauv ntau lub tebchaws nplej muaj niacinamide ntxiv rau lawv.
NicotinamideDaim ntawv thov:
Nws belongs rau vitamin B, koom nrog hauv cov metabolism hauv lub cev, tuaj yeem siv los tiv thaiv pellagra lossis lwm yam kab mob niacin defection.Nws yog siv rau lub tsev muag tshuaj, zaub mov additiCov khoom no ua haujlwm raws li hauv qab no:
Ua ntej, melanin yog tob rau hauv daim tawv nqaij ntawm melanin cell, tab sis lub sij hawm no, nws kuj nyob rau hauv, yog tom qab tentacles yog kis mus rau lub puag ncig keratin hlwb, nicotinamide tuaj yeem cuam tshuam nrog kev hloov ntawm melanin, ua rau melanin tau melanocyte nyob hauv tsis tuaj. tawm, yog li yuav tsis txuas ntxiv tsim melanin melanin hlwb, Thib ob, melanin yuav tsis pom los ntawm tib neeg lub qhov muag ntawm daim tawv nqaij, thiaj li ua tiav cov nyhuv whitening.
Thib ob, niacinamide ua pov thawj tias muaj txiaj ntsig zoo ntawm saccharification, tshwj xeeb tshaj yog tom qab xyoo 2015, lo lus "saccharification heev in-depth kev tshawb fawb, ntau yam kab mob ntawm lub cev tau pom tias nrog saccharification (maillard cov tshuaj tiv thaiv), cov khoom tsim los ntawm saccharification yog xim av, tuaj yeem cia daim tawv nqaij zoo li dub, yog li mash kuj tseem pab whitening.ves, pub additives, cosmetic, thiab lwm yam.
Hauv kev tswj hwm ntawm 20 yam kev kawm, rov ua dua cov tsho loj ntawm nicotinamide ntawm qhov tsis tshua muaj siab (0.2%) kuj tseem muaj txiaj ntsig zoo hauv kev txo cov tawv nqaij tiv thaiv kab mob los ntawm nqaim-spectrum UV hluav taws xob uas ua rau lub hnub ci.0.2% ntawm cov concentration yog zoo, thiab peb feem ntau siv nicotinamide raws li cov khoom tu tawv nqaij concentration yog feem ntau siab tshaj 2%, qhov zoo tshaj plaws concentration ntawm 4% ~ 5%.Yog li thov nicotinamide extract ua ntej siv tshuaj pleev thaiv hnub.
Nicotinamide Specifications:
| Yam khoom | Txuj |
| Qhov tshwm sim (20oC) | dawb crystalline hmoov |
| Melting point: | 128-131 ° C |
| Loss ntawm ziab: | <0.5% |
| Residue ntawm ignition: | <0.1% |
| Cov hlau hnyav: | <0.003% |
| Yooj yim carbonizable: | tsis muaj xim ntau dua li Matching Fluid A |
| Kev ntsuam xyuas: | 98.5% -101.5% |
Pob:
25kgs / nruas, fiber ntau nruas nrog polyethylene hnab hauv
Lub sijhawm siv tau:
24 muaj
Cia:
Shading thiab kaw ruaj khov
