Foda L-Tyrosine
l-tyrosine
taƙaitaccen gabatarwa
Tyrosine (wanda aka rage wa suna Tyr ko Y) ko 4-hydroxyphenylalanine yana ɗaya daga cikin amino acid 22 da ƙwayoyin halitta ke amfani da su don haɗa sunadaran. Ana iya amfani da shi don haɗa sunadaran a cikin ƙwayoyin halitta, tare da codons UAC da UAU. Amino acid ne wanda ba shi da mahimmanci wanda ya ƙunshi ƙungiyoyin gefe na polar kuma jikin ɗan adam zai iya haɗa shi. Kalmar 'tyrosine' ta fito ne daga tyros na Girka, ma'ana cuku. A farkon ƙarni na 19, masanin kimiyyar sinadarai na Jamus Eustus von Libich ne ya fara gano shi a cikin cukuwar casein, kuma lokacin da aka yi amfani da shi azaman rukuni mai aiki ko na gefe, ana kiransa tyrosine.
aiki
Baya ga kasancewarsa amino acid mai gina jiki, tyrosine yana taka muhimmiyar rawa wajen watsa sigina a cikin furotin ta hanyar dogaro da ƙungiyoyin aiki na phenolic. Aikinsa a matsayin mai karɓar sigina ne ga ƙungiyoyin phosphate da aka canjawa wuri ta hanyar protein kinases (wanda ake kira masu karɓar tyrosine kinase), yayin da phosphorylation na ƙungiyoyin hydroxyl ke canza ayyukan furotin da aka yi niyya.
Tyrosine kuma tana taka muhimmiyar rawa a cikin photosynthesis, tana aiki a matsayin mai samar da wutar lantarki a cikin rage amsawar chlorophyll mai oxidized a cikin chloroplasts (Photosystem II), rage protonation na ƙungiyoyin OH phenolic, kuma a ƙarshe rage ta hanyar gungu huɗu na manganese a cikin Photosystem II.
Tushen abinci
Ana iya haɗa Tyrosine daga phenylalanine a jiki kuma ana iya samunsa a cikin abinci mai yawan furotin kamar kaza, turkey, kifi, madara, yogurt, cuku, cuku, gyada, almond, tsaban kabewa, sesame, waken soya, waken lima, avocado, da ayaba.
L-tyrosine amino acid ne wanda ba shi da mahimmanci kuma yana ɗaya daga cikin mahimman abubuwa a cikin hanyar metabolism na methionine. Yana nan a cikin ƙwayoyin halitta kuma yana taka muhimmiyar rawa a cikin hanyoyin halitta da yawa.
L-tyrosine wani bangare ne na sunadarai kuma yana shiga cikin tsarin hada sunadarai. Hakanan yana daya daga cikin abubuwan da ke haifar da sinadarai masu aiki, wadanda suka hada da sinadarin catecholamine neurotransmitters kamar dopamine, norepinephrine, da adrenaline, da kuma hormones na thyroid da melanin.
Bugu da ƙari, L-tyrosine yana da hannu wajen haɗa muhimman ƙwayoyin halitta ta hanyar jerin enzymes a cikin jiki, kamar tyrosine kinase da tyrosine hydroxylase, waɗanda ke da hannu a cikin hanyoyin siginar kinase da kuma daidaita yanayin jiki.
Ana iya samun L-tyrosine ta hanyar abinci, tare da wadataccen tushen abinci, ciki har da goro, iri, nama, kifi, da kayayyakin kiwo. Bugu da ƙari, ana iya canza L-tyrosine daga wani amino acid, phenylalanine, ta hanyar haɗa tyrosine a jiki.
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