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Asid wrig

Asid wrig
Enghraifft o'r canlynolmath o endid cemegol Edit this on Wikidata
Mathpurine alkaloid Edit this on Wikidata
Màs168.028 uned Dalton Edit this on Wikidata
Fformiwla gemegolC₅h₄n₄o₃ edit this on wikidata
Rhan ourate oxidase activity, xanthine oxidase activity, urate-ribonucleotide phosphorylase activity, FAD-dependent urate hydroxylase activity, xanthine dehydrogenase activity, alpha-ketoglutarate-dependent xanthine dioxygenase activity, 8-oxoguanine deaminase activity, urate transport, urate catabolic process, urate metabolic process, urate:anion antiporter activity, urate biosynthetic process Edit this on Wikidata
Yn cynnwysnitrogen, ocsigen, carbon Edit this on Wikidata
Tudalen Comin Ffeiliau perthnasol ar Gomin Wicimedia
Fformiwla Asid Wrig
Moleciwlau o Asid Wrig

Cyfansoddyn organig ydy asid wrig neu asid iwrig (Saesneg: uric asid) wedi ei wneud allan o garbon, nitrogen, ocsigen a hydrogen a chanddo isfformiwla o: C5H4N4O3.

Bioleg

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Mewn bodau dynol a theulu'r epaod, asid iwric ydy diwedd y broses o ocsideiddio (neu dorri i lawr) y piwrin y metaboledd, gan wedyn ei ysgarthu yn yr wrin (neu biso). Gwelir ar unwaith fod cysylltiad rhwng y ddau air: wrin a wrig. Yn y rhan fwyaf o anifeiliaid, fodd bynnag, mae'r ensym wricas (uricase) yn ocsideiddio'r asid wrig ymhellach fyth gan ei droi'n allantoin.[1]

Asid wrig uchel

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Math o wynegon (neu arthritis) ydy gowt sy'n cael ei achosi gan ormod o asid wrig.

Syndrom Lesch-Nyhan

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Credir fod yr afiechyd prin hwn yn etifeddol, ond mae'n ymwneud hefyd gyda gormod o asid wrig yn y corff.

Afiechydon cardiofasgiwlar

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er fod yr asid hwn yn gweithredu fel gwrthocsidant, mae gormodedd ohono'n cael ei gysylltu gyda phroblemau'n ymwneud â'r galon.

Clefyd y siwgwr

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Gwyddys am y cysylltiad rhwng gormodedd o asid wrin a chlefyd y siwgwr ers cychwyn yr 20ed ganrif.

Syndrom metabolaidd

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Cysylltiad arall.

Asid wrig yn creu cerrig

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Pan nad yw'n hydoddi, gall yr asid hwn grisialu gan greu cerrig.

Asid wrig isel

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Multiple sclerosis

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Mae ychwanegu asid wrin (drwy dabledi inosine) yn gymorth i'r claf.

Cyfeiriadau

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Asid wrig
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