TianJia Food Fikun olupese L-Tyrosine

Apejuwe kukuru:

CAS No.:60-18-4

Iṣakojọpọ:25kg/apo

Min.Oye Ibere:1000kgs

 

iwuwo1.34

Ojuami yo290℃

Oju omi farabale314.29 ℃ (iṣiro ti o ni inira)

Yiyi pato-11.65 ° (C=5, DIL HCL/H2O 50/50)

oju filaṣi176 ℃

Omi solubility0.45 g/L (25℃)

SolubilityO jẹ insoluble ninu omi (0.04%, 25℃), insoluble ni ethanol anhydrous, ether, ati acetone, ati tiotuka ni dilute acids tabi awọn ipilẹ.

Atọka itọka-12 ° (C=5, 1mol/LH

olùsọdipúpọ acidity2.2 (ni iwọn 25 ℃)

iye PH6.5 (0.1g/l, H2O)


Alaye ọja

ọja Tags

l-tyrosini

finifini ifihan

Tyrosine (ti a kukuru bi Tyr tabi Y) tabi 4-hydroxyphenylalanine jẹ ọkan ninu awọn amino acids 22 ti awọn sẹẹli lo lati ṣajọpọ awọn ọlọjẹ.O le ṣee lo lati ṣepọ awọn ọlọjẹ ninu awọn sẹẹli, pẹlu awọn codons UAC ati UAU.O jẹ amino acid ti ko ṣe pataki ti o ni awọn ẹgbẹ ẹgbẹ pola ati pe o le ṣepọ nipasẹ ara eniyan.Ọrọ 'tyrosine' wa lati Giriki tyros, ti o tumọ si warankasi.Ni ibẹrẹ ọrundun 19th, onimọ-jinlẹ ara Jamani Eustus von Libich kọkọ ṣe awari rẹ ninu warankasi casein, ati nigba lilo bi iṣẹ ṣiṣe tabi ẹgbẹ ẹgbẹ, a pe ni tyrosine.

iṣẹ

Ni afikun si jijẹ amuaradagba amino acid, tyrosine ṣe ipa pataki ninu iyipada ifihan agbara ninu awọn ọlọjẹ nipa gbigbekele awọn ẹgbẹ iṣẹ ṣiṣe phenolic.Iṣẹ rẹ jẹ bi olugba fun awọn ẹgbẹ fosifeti ti o gbe nipasẹ awọn kinases amuaradagba (ti a npe ni tyrosine kinase awọn olugba), lakoko ti phosphorylation ti awọn ẹgbẹ hydroxyl ṣe iyipada iṣẹ-ṣiṣe ti amuaradagba afojusun.

Tyrosine tun ṣe ipa pataki ninu photosynthesis, ṣiṣe bi olupese elekitironi ni idinku iṣesi idinku ti chlorophyll oxidized ni chloroplasts (Photosystem II), deprotonation ti awọn ẹgbẹ OH phenolic, ati nikẹhin idinku nipasẹ awọn iṣupọ manganese mojuto mẹrin ni Photosystem II.

Awọn orisun ounjẹ

A le ṣepọ Tyrosine lati phenylalanine ninu ara ati pe o le rii ni ọpọlọpọ awọn ounjẹ amuaradagba giga gẹgẹbi adie, Tọki, ẹja, wara, wara, warankasi, warankasi, ẹpa, almonds, awọn irugbin elegede, sesame, soybeans, awọn ewa lima, avocados, ati bananas.

L-tyrosine jẹ amino acid ti kii ṣe pataki ati ọkan ninu awọn nkan pataki ni ipa ọna iṣelọpọ methionine.O wa ni ibigbogbo ni awọn ohun alumọni ati pe o ṣe ipa pataki ninu awọn ilana ti ibi pupọ.

L-tyrosine jẹ paati ti awọn ọlọjẹ ati kopa ninu ilana iṣelọpọ ti awọn ọlọjẹ.O tun jẹ aṣaaju ti ọpọlọpọ awọn nkan bioactive, pẹlu catecholamine neurotransmitters bii dopamine, norẹpinẹpirini, ati adrenaline, ati awọn homonu tairodu ati melanin.

Ni afikun, L-tyrosine tun ni ipa ninu iṣelọpọ ti awọn ohun alumọni ti ibi pataki nipasẹ awọn ọna ti awọn enzymu ninu ara, gẹgẹbi tyrosine kinase ati tyrosine hydroxylase, eyiti o ni ipa ninu awọn ipa ọna ifihan kinase ati ilana ilana ẹkọ-ara.

Gbigbe ti L-tyrosine ni a le gba nipasẹ ounjẹ, pẹlu awọn orisun ounje lọpọlọpọ pẹlu eso, awọn irugbin, ẹran, ẹja, ati awọn ọja ifunwara.Ni afikun, L-tyrosine tun le yipada lati amino acid miiran, phenylalanine, nipasẹ ọna ọna iṣelọpọ tyrosine ninu ara.

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