Waba uzi igihe inkoko zabuze vitamine A, ibyo bimenyetso bizagaragara?

Avitaminose A (kubura retinol)

Itsinda A vitamine zifite ingaruka zifatika kubyibuha, kubyara amagi no kurwanya inkoko kurwanya indwara nyinshi zanduza kandi zitandura. Gusa poritamine A yatandukanijwe n’ibimera mu buryo bwa karotene (alpha, beta, gamma carotene, cryptoxanthin), itunganyirizwa mu mubiri.

inyoni muri vitamine A.

Vitamine A nyinshi iboneka mu mwijima w'amafi (amavuta y'amafi), karotene - mu cyatsi, karoti, ibyatsi, na silage.

Mu mubiri w’inyoni, isoko nyamukuru ya vitamine A iri mu mwijima, umubare muto - mu muhondo, inuma - mu mpyiko na glande ya adrenal.

Ifoto ya Clinical

Ibimenyetso by’indwara bikura mu nkoko nyuma yiminsi 7 kugeza kuri 50 nyuma yo kubikwa ku mafunguro adafite vitamine A. Ibimenyetso biranga indwara: kubangamira guhuza ibikorwa, gutwika conjunctiva. Hamwe na avitaminose yinyamaswa zikiri nto, ibimenyetso byubwoba, gutwika conjunctiva, gushira imbaga nyamwinshi mumasaho ya conjunctival bikunze kubaho. Ikimenyetso cyambere gishobora kuba gusohora amazi ya serus avuye mumazuru.

Keratoconjunctivitis mu nyana zisimburwa no kubura vitamine A.

Kuvura no gukumira

Mu rwego rwo kwirinda A-avitaminose, ni ngombwa guha indyo isoko ya karotene na vitamine A mu byiciro byose byo korora inkoko. Indyo yinkoko igomba gushiramo 8% ifunguro ryibyatsi byujuje ubuziranenge. Ibi bizuzuza byimazeyo ibyo bakeneye kuri karotene kandi babikore badahagije

vitamine A yibanda cyane. 1 g y'ifu y'ibyatsi biva mu byatsi byo mu rwuri birimo mg 220 za karotene, 23 - 25 - riboflavin na 5 - 7 mg ya thiamine. Acide folike ni 5 - 6 mg.

Vitamine zikurikira z'itsinda A zikoreshwa cyane mu bworozi bw'inkoko: umuti wa retinol acetate mu mavuta, umuti wa axeroftol mu mavuta, amazi yo mu mazi, vitamine A yibanze, trivitamine.