L-Tyrosine Hmoov

Kev Piav Qhia Luv:

CAS No.:60-18-4

Ntim:25kg/Hnab

Min.Order Quantity:1000kgs

 

Qhov Ceev1.34

Qhov kub yaj290 ℃

Kub taw tes314.29 ℃ (kwv yees li qub)

Kev sib hloov tshwj xeeb-11.65 ° (C = 5, DIL HCL / H2O 50/50)

Qhov taw tes kub hnyiab176 ℃

Kev yaj dej0.45 g/L (25 ℃)

Kev yaj tauNws yog insoluble nyob rau hauv dej (0.04%, 25 ℃), insoluble nyob rau hauv anhydrous ethanol, ether, thiab acetone, thiab soluble nyob rau hauv dilute acids los yog bases.

Cov ntsuas kev cuam tshuam-12 ° (C = 5, 1mol / LH)

Cov coefficient ntawm acidity2.2 (ntawm 25 ℃)

Tus nqi PH6.5 (0.1g/l, H2O)


Cov Khoom Qhia Txog Khoom

Cov Cim Npe Khoom

l-tyrosine

kev taw qhia luv luv

Tyrosine (luv ua Tyr lossis Y) lossis 4-hydroxyphenylalanine yog ib qho ntawm 22 cov amino acids uas siv los ntawm cov cell los tsim cov protein. Nws tuaj yeem siv los tsim cov protein hauv cov cell, nrog rau cov codons UAC thiab UAU. Nws yog cov amino acid tsis tseem ceeb uas muaj cov pab pawg polar thiab tuaj yeem tsim los ntawm tib neeg lub cev. Lo lus 'tyrosine' los ntawm Greek tyros, txhais tau tias cheese. Thaum ntxov xyoo pua 19th, nws tau pom thawj zaug los ntawm German chemist Eustus von Libich hauv casein cheese, thiab thaum siv ua ib pab pawg ua haujlwm lossis sab, nws hu ua tyrosine.

kev ua haujlwm

Ntxiv rau qhov ua ib qho protein amino acid, tyrosine ua lub luag haujlwm tshwj xeeb hauv kev xa cov teeb liab hauv cov protein los ntawm kev vam khom rau cov pab pawg phenolic functional. Nws txoj haujlwm yog ua tus receptor rau cov pab pawg phosphate hloov los ntawm cov protein kinases (hu ua tyrosine kinase receptors), thaum lub phosphorylation ntawm cov hydroxyl pab pawg hloov pauv cov haujlwm ntawm cov protein lub hom phiaj.

Tyrosine kuj tseem ua lub luag haujlwm tseem ceeb hauv photosynthesis, ua haujlwm ua tus neeg muab hluav taws xob hauv kev txo qis ntawm oxidized chlorophyll hauv chloroplasts (Photosystem II), deprotonation ntawm phenolic OH pawg, thiab thaum kawg txo los ntawm plaub lub hauv paus manganese pawg hauv Photosystem II.

Cov khoom noj khoom haus

Tyrosine tuaj yeem tsim los ntawm phenylalanine hauv lub cev thiab tuaj yeem pom muaj nyob rau hauv ntau cov khoom noj muaj protein ntau xws li nqaij qaib, qaib ntxhw, ntses, mis nyuj, yogurt, cheese, cheese, txiv laum huab xeeb, almonds, noob taub dag, sesame, taum pauv, taum lima, avocados, thiab txiv tsawb.

L-tyrosine yog ib qho amino acid tsis tseem ceeb thiab yog ib qho ntawm cov khoom tseem ceeb hauv txoj kev ua methionine metabolism. Nws muaj ntau nyob rau hauv cov kab mob thiab ua lub luag haujlwm tseem ceeb hauv ntau yam txheej txheem biological.

L-tyrosine yog ib feem ntawm cov protein thiab koom nrog hauv cov txheej txheem tsim cov protein. Nws kuj yog ib qho ua ntej ntawm ntau yam tshuaj bioactive, suav nrog catecholamine neurotransmitters xws li dopamine, norepinephrine, thiab adrenaline, nrog rau cov tshuaj hormones thyroid thiab melanin.

Ntxiv rau, L-tyrosine kuj tseem koom nrog kev tsim cov tshuaj lom neeg tseem ceeb los ntawm ntau cov enzymes hauv lub cev, xws li tyrosine kinase thiab tyrosine hydroxylase, uas koom nrog kinase signaling pathways thiab physiological regulation.

Kev noj L-tyrosine tuaj yeem tau los ntawm kev noj zaub mov, nrog rau ntau yam khoom noj xws li txiv ntoo qhuav, noob, nqaij, ntses, thiab cov khoom noj mis nyuj. Tsis tas li ntawd, L-tyrosine kuj tseem tuaj yeem hloov pauv los ntawm lwm cov amino acid, phenylalanine, los ntawm txoj kev tsim tyrosine hauv lub cev.

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