Incazelo Nezakhiwo Zevithamini C
Incazelo
I-Vitamin C iyivithamini encibilikayo emanzini, ngamakhemikhali okuthiwa i-L-ascorbic acid, enefomula ye-molecular C ? H ? O ? kanye nesisindo samangqamuzana angu-176.12. Iyisakhi esiyisisekelo esibalulekile emzimbeni womuntu, esinokuncipha okuqinile, esitholakala kabanzi ezitshalweni nasemifino, futhi sibalulekile ekugcineni i-metabolism evamile kanye nempilo yomzimba.
Izakhiwo zomzimba namakhemikhali
Ukuncibilika kwamanzi
Uvithamini C uncibilika kalula emanzini futhi ungamuncwa ngokushesha umzimba womuntu, kodwa ukumunca ngokweqile kungakhishwa ngomchamo.
Izici zokunciphisa kanye ne-antioxidant
Njenge-ejenti yokunciphisa eqinile, ingaqeda ama-radicals mahhala, ivikele amangqamuzana emonakalweni we-oxidative, futhi ikhuthaze ukumuncwa kwensimbi (ukunciphisa i-iron e-trivalent ibe yi-divalent iron).
I-Acidic
Inezici ezine-asidi, izici zamakhemikhali ezisebenzayo, futhi ijwayele ukusabela nezinye izinto (njenge-hydrolysis kanye ne-oxidation).
Ukungazinzi kokushisa
Ngemva kokushisa, kulula ukubola futhi ingasebenzi. Ukupheka isikhathi eside noma ukwelashwa okushisayo kungaholela ekwehleni okukhulu kokuqukethwe kwe-vitamin C ezithelweni nemifino.
Ukufana kukashukela
Isakhiwo samangqamuzana siyafana nesikashukela, sinezici ezithile zokusabela kwe-physicochemical kashukela.
Isifinyezo
Izici ze-physicochemical kavithamini C zinquma umsebenzi wawo webhayoloji nomsebenzi, njengokuncibilika kwamanzi nokuncipha okusekela imiphumela ekhuthaza ukumuncwa kwensimbi, kuyilapho ukuzwela ukushisa kuphakamisa isidingo sokwengezwa ngezithako ezintsha noma izindlela zokupheka eziphusile.