TianJia Moetsi oa Lijo tse Ekelitsoeng L-Tyrosine

Tlhaloso e Khutšoanyane:

Nomoro ea CAS:60-18-4

Sephutheloana:25kg/Mokotla

Bongata ba Odara:1000kgs

 

Botenya1.34

Sebaka se qhibilihang290 ℃

Ntho e belang314.29 ℃(khakanyo e boima)

Ho potoloha ho itseng-11.65 ° (C=5, DIL HCL/H2O 50/50)

flash point176 ℃

Ho qhibiliha ha metsi0.45 g/L (25℃)

SolubilityHa e qhibilihe ka metsing (0.04%, 25 ℃), ha e qhibilihe ka har'a anhydrous ethanol, ether, le acetone, 'me e qhibiliha ka li-acids tse hlapollang kapa li-bases.

Lenane la refractive-12 ° (C=5, 1mol/LH

Acidity coefficient2.2 (ho 25 ℃)

PH boleng6.5 (0.1g/l, H2O)


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

L-tyrosine

kenyelletso e khutšoanyane

Tyrosine (e khutsufalitsoeng e le Tyr kapa Y) kapa 4-hydroxyphenylalanine ke e 'ngoe ea li-amino acid tse 22 tse sebelisoang ke lisele ho kopanya liprotheine.E ka sebelisoa ho kopanya liprotheine liseleng, ka li-codons UAC le UAU.Ke amino acid e seng ea bohlokoa e nang le lihlopha tsa mahlakoreng a polar 'me e ka etsoa ke' mele oa motho.Lentsoe "tyrosine" le tsoa ho Segerike tyros, e bolelang chisi.Mathoasong a lekholo la bo19 la lilemo, e ile ea fumanoa ka lekhetlo la pele ke setsebi sa k'hemistri sa Lejeremane Eustus von Libich ka chisi ea casein, 'me ha e sebelisoa e le sehlopha se sebetsang kapa se lehlakoreng, se bitsoa tyrosine.

tshebetso

Ntle le ho ba protheine ea amino acid, tyrosine e phetha karolo e khethehileng ho fetisetsoang ha pontšo ka liprotheine ka ho itšetleha ka lihlopha tse sebetsang tsa phenolic.Mosebetsi oa eona ke receptor bakeng sa lihlopha tsa phosphate tse fetisetsoang ke protheine kinases (eo ho thoeng ke li-receptors tsa tyrosine kinase), ha phosphorylation ea lihlopha tsa hydroxyl e fetola mosebetsi oa protheine e lebisitsoeng.

Tyrosine e boetse e phetha karolo ea bohlokoa ho photosynthesis, e sebetsa e le mofani oa elektronike phokotsong ea chlorophyll e nang le oxidized ka chloroplasts (Photosystem II), deprotonation ea lihlopha tsa OH tsa phenolic, 'me qetellong e fokotsoe ke lihlopha tse' nè tsa mantlha tsa manganese ho Photosystem II.

Mehloli ea lijo

Tyrosine e ka etsoa ho tsoa ho phenylalanine 'meleng' me e ka fumanoa lijong tse ngata tse phahameng tsa protheine joalo ka khoho, turkey, tlhapi, lebese, yogurt, chisi, chisi, makotomane, lialmonde, peo ea mokopu, sesame, soya, linaoa tsa lima, avocado, le libanana.

L-tyrosine ke amino acid eo e seng ea bohlokoa ebile ke e 'ngoe ea lintho tsa bohlokoa tseleng ea methionine metabolism.E fumaneha haholo linthong tse phelang 'me e phetha karolo ea bohlokoa lits'ebetsong tse ngata tsa likokoana-hloko.

L-tyrosine ke karolo ea liprotheine mme e nka karolo ts'ebetsong ea liprotheine.Hape ke selelekela sa lintho tse fapaneng tsa bioactive, ho kenyelletsa li-neurotransmitters tsa catecholamine tse kang dopamine, norepinephrine, le adrenaline, hammoho le lihomone tsa qoqotho le melanin.

Ho phaella moo, L-tyrosine e boetse e ameha ho qaleng ha limolek'hule tsa bohlokoa tsa likokoana-hloko ka letoto la li-enzyme 'meleng, tse kang tyrosine kinase le tyrosine hydroxylase, tse amehang litseleng tsa matšoao a kinase le taolo ea fisioloji.

Ho kenngoa ha L-tyrosine ho ka fumanoa ka lijo, ka mehloli e mengata ea lijo e kenyelletsang linate, peo, nama, tlhapi le lihlahisoa tsa lebese.Ho phaella moo, L-tyrosine e ka boela ea fetoloa ho tloha ho e 'ngoe ea amino acid, phenylalanine, ka tsela ea tyrosine synthesis' meleng.

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