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Asid sitrig

Asid sitrig
Enghraifft o'r canlynolmath o endid cemegol Edit this on Wikidata
Mathfatty alcohol, fatty acid, tricarboxylic acid Edit this on Wikidata
Màs192.027 uned Dalton Edit this on Wikidata
Fformiwla gemegolC₆h₈o₇ edit this on wikidata
Dyddiad darganfod1784 Edit this on Wikidata
Rhan ocylch Krebs, citrate secondary active transmembrane transporter activity, citrate synthase activity Edit this on Wikidata
Yn cynnwysocsigen, carbon, hydrogen Edit this on Wikidata
Tudalen Comin Ffeiliau perthnasol ar Gomin Wicimedia
Moleciwl asid sitrig

Asid gwan ydy asid sitrig neu asid citrig, sydd hefyd yn asid organig, a ddefnyddir yn aml i roi blas sur ar fwyd a diodydd meddal ac i brisyrfio bwyd yn naturiol. Mae'n gweithio fel gwrthocsidant ac mae ganddo briodweddau naturiol i lanhau o amgylch y cartref ayb.

Mae gan lemon a leim, a gweddill y teulu o ffrwythau sitrig ganran uchel iawn o asid sitrig ynddynt.

Priodweddau

[golygu | golygu cod]
Crisialau o asid sitrig mewn golau wedi'i bolareiddio, gyda'r llun wedi'i chwyddo x200

Dan amgylchiadau cyffredin, powdwr o grisialau ydy asid sitrig ac nid hylif. Mae'n perthyn i'r teulu o asidau a elwir asid carbocsylig. Pan gaif ei gynhesu'n uwch na 175 °C, mae'n dadelfennu o ganlyniad ei fod wedi colli carbon deuocsid a moleciwlau dŵr. Oherwydd ei briodweddau naturiol, caiff ei ddefnyddio'n aml fel ychwanegiad at fwydydd megis diodydd meddal, cwrw a seltzer.

Eginyn erthygl sydd uchod am wyddoniaeth. Gallwch helpu Wicipedia drwy ychwanegu ato.
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Asid sitrig
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