Sialic acid, n-acetylneuraminic acid
N-acetylneuraminic acid, kuj tseem hu ua sialic acid, yog ib qho tseem ceeb romocent ntawm cov lus tseem ceeb uas sib txuas lus nruab nrab {}}
Sialic acid yog ib lub tsev ua ke ib txwm muaj xws li glycopsins xws li cov ntshav ntawm lub ntshav ntawm cov qaub ncaug xws li saliva .
Lus txhais ib yam
{{05- (Acetylamino) -3 dideoxy-d-glycero-d-galacto {{}} tsis yog}. Lactaminacid; 5- acetamido -3}}} dideoxy-d-glycero-d-galacto-2- tsis yog; 5- acetamido-3}} dideoxy-d-glycero-d-galacto {23} {2366666666. {{24} acetamido -3} dideoxy-d-galacto-nonulopyranosacidhydrate; 5- acetamido -3}}} dideoxy-d-galacononulosoniconicacid;5- acetamido {{}}}}5- dideoxy-d-galactonulosonicaacid; 5- acetylamino {}}}} dideoxy-d-glycero-d-galacto -2- tsis yog}.
● Ne tsis muaj .}} 131-48-6
● EC Tsis muaj .}} 205-023-1
● MF: C11H19NO9
● MW: 309.27
Cov lus ntawm socic acid, n-acetylneuraminic acid
|
Cov khoom |
Cov lus qhia |
Kuaj cov txiaj ntsig |
|
Kev tshwm sim |
Tawm-dawb rau cov hmoov dawb dawb |
Ntuas |
|
So |
Dawb soluble hauv dej |
Ntuas |
|
Optical Rotation (C =0.5}%, dej) |
{{0 {}} ~ {-27 deg |
-30.7 deg |
|
Poob rau ziab |
Tsawg dua los yog sib npaug rau 1.0% |
0.32% |
|
Purity (los ntawm HPLC) |
Ntau dua los yog sib npaug rau 99.0% |
99.4% |
● Ntim: 100g / hnab; 500g / hnab; 1kg / hnab; 25Kg / nruas
● Cov Qauv Pom Zoo Cia: Khw nyob rau hauv qhov chaw txias, qhuav thiab muaj cua sov .
● Pom zoo cia kub: 2-8 degree
● Cov Khoom Siv Khoom Siv: Khoom Noj Khoom Haus Huv, Kev Kho Kom Zoo Nkauj Raw Khoom
Cov txiaj ntsig ntawm sialic acid, n-acetylneuraminic acid
Feem ntau tiv thaiv nyob rau hauv lub hlwb
Nws yog muaj pov thawj los ua cov khoom tseem ceeb hauv kev nco thiab kev kawm ua haujlwm .
01
Khoom Noj Khoom Haus Cheebtsam Tib Neeg
Nws txhim kho lub hlwb kev txhim kho ntawm cov menyuam mos .
02
Qhov tseem ceeb glyconutrients rau tib neeg lub cev
Nws dav muaj nyob rau hauv lub cell membrane thiab neuron . Nws tuaj yeem txhim kho lub cev tiv thaiv.
03
Kev Tawm Tsam Laus
Ntev siv cov khoom lag luam tawv tawv muaj cov tawv nqaij acid tuaj yeem ncua kev laus tawv nqaij thiab txhawb nqa cov tawv nqaij ingeneration.
04
Ntxuav hniav dawb
Sialic acid tau zoo tyrosine hydroxylase thiab DOPA hydroxylase kev ua si, tiv thaiv melanin tsuas .
05
