I-AScorbic Acid
Isingeniso
I-Vitamin C, eyaziwa nangokuthi i-L-ascorbic acid, iyizakhamzimba ezibalulekile ezingeni eliphezulu zezilwane ezinde kanye nezinye izinto ezimbalwa eziphilayo. I-Ascorbic acid ingakhiqizwa yi-metabolism ezintweni eziningi eziphilayo, kodwa abantu bayizimo ezisobala kakhulu. Into eyaziwa kakhulu ukuthi ukuntuleka kwe-vitamin C ku-Chemicalbook kungabangela i-scurvy. Iqembu le-pharmacokidic le-vitamin C yi-ascorbic acid ion. Emzimbeni, i-vitamin C iyi-antioxidant ngoba ingavikela umzimba engcupheni yama-oxidizing agents, kanti i-vitamin C nayo iyi-coenzyme.
Izakhiwo ze-physicochemical
I-Vitamin C incibilika kalula emanzini, incibilika kancane ku-ethanol, ayincibiliki ku-ether, i-chloroform, i-benzene, i-ether ye-Petroleum, uwoyela, amafutha. Isixazululo samanzi sibonisa ukusabela kwe-asidi. Ingafakwa ngokushesha ku-oxidised ibe yi-dehydroascotic acid emoyeni, inephunga elimuncu elifana ne-citric acid. Iyisithako esinamandla sokunciphisa, futhi ngemva kokugcinwa isikhathi eside, kancane kancane iphenduka ibe amazinga ahlukene okukhanya kwe-chemical book yellow. Lo mkhiqizo utholakala kuzo zonke izinhlobo zemifino nezithelo ezintsha. Lo mkhiqizo udlala indima ebalulekile ekuncibilikeni kwezinto eziphilayo kanye nokunciphisa kanye nokuphefumula kwamaseli, okusiza ekwakhiweni kwe-nucleic acid futhi kukhuthaze ukukhiqizwa kwamaseli abomvu egazi. Inganciphisa futhi i-Fe3+ ibe yi-Fe2+, ukuze kube lula ukuyimunca ngumzimba womuntu futhi ibe nenzuzo ekukhiqizweni kwamaseli.
SEBENZISA
I-Vitamin C ibamba iqhaza ekukhiqizweni kwe-collagen emzimbeni. Inethonya lokuqeda ubuthi kanye nokukhuthaza ukukhiqizwa kwama-antibodies, okungathuthukisa umsebenzi wokukhipha ubuthi emzimbeni. Kwezokwelapha, isetshenziswa kakhulu ekuvimbeleni noma ekwelapheni i-scurvity, kanye nokuguga kwamazinyo, ithumba lezinsini, i-anemia, ukukhula nokuthuthuka kokuma kanye nezinye izifo ezibangelwa ukunganele kwe-ascorbic acid ku-Chemicalbook. Ekucubungulweni kokudla, isetshenziswa njengesithuthukisi samavithamini sejusi le-orange eligxilile, amakristalu ejusi, amaswidi, ijeli yezithelo, ijamu yezithelo, njll.
