Uyazi uma izinkukhu zintula uvithamini A, zizovela lezo zimpawu?
I-Avitaminosis A (ukuntuleka kwe-retinol)
Amavithamini eQembu A anomphumela wokuphila ekukhuluphaleni, ekukhiqizeni amaqanda kanye nokumelana nezinkukhu eziningi ezifweni ezithathelwanayo nezingezona ezithathelwanayo. I-provitamin A kuphela eye yahlukaniswa nezitshalo ngendlela ye-carotene (i-alpha, i-beta, i-gamma carotene, i-cryptoxanthin), ecutshungulwa emzimbeni.
izinyoni zibe vitamin A.
Uvithamini A omningi utholakala esibindini senhlanzi (amafutha ezinhlanzi), i-carotene - kumifino eluhlaza, izaqathi, utshani kanye nefulawa.
Emzimbeni wenyoni, ukunikezwa okuyinhloko kwevithamini A kusesibindi, inani elincane - ezikhiqizweni, kumajuba - ezinso nezindlala ze-adrenal.
Isithombe somtholampilo
Izimpawu zomtholampilo zalesi sifo zikhula ezinkukhwini ezinsukwini ezingu-7 kuya kwezingu-50 ngemva kokugcinwa ekudleni okungenayo i-vitamin A. Izimpawu zesifo: ukungasebenzi kahle kokunyakaza, ukuvuvukala kwe-conjunctiva. Nge-avitaminosis yezilwane ezisencane, izimpawu zemizwa, ukuvuvukala kwe-conjunctiva, ukufakwa kwenqwaba ye-caseous ku-sac conjunctival ngokuvamile kwenzeka. Uphawu oluholayo kungase kube ukuphuma koketshezi lwe-serous ezimbotsheni zamakhala.
I-keratoconjunctivitis ematholeni angena esikhundleni ngokuntuleka kwevithamini A
Ukwelashwa nokuvimbela
Ukuvimbela i-A-avitaminosis, kuyadingeka ukunikeza ukudla ngemithombo ye-carotene ne-vitamin A kuzo zonke izigaba zokukhuliswa kwezinkukhu. Ukudla kwezinkukhu kufanele kufake u-8% wesidlo sotshani eseqophelweni eliphezulu. Lokhu kuzohlangabezana ngokugcwele nesidingo sabo se-carotene futhi benze ngaphandle kokushoda
i-vitamin A igxila. I-1 g kafulawa we-herbal ovela otshanini be-meadow iqukethe ama-220 mg we-carotene, 23 - 25 - i-riboflavin no-5 - 7 mg we-thiamine. I-Folic acid complex i-5 - 6 mg.
Amavithamini alandelayo eqembu A asetshenziswa kabanzi ekufuyweni kwezinkukhu: isixazululo se-retinol acetate emafutheni, isisombululo se-axeroftol emafutheni, i-aquital, i-vitamin A concentrate, i-trivitamin.
Isikhathi sokuthumela: Nov-08-2021