Izifo ezibangelwa ukungabikho kwamavithamini

Ngomhla umntu kufuneka athole inani elithile leprotheni, i-fat, i-carbohydrates kunye neemaminerali. Nangona kunjalo, nokuba imenyu yakho iqinisekisa ukuzaliseka kweli meko, akusisona isizathu sokubiza ukutya kwakho ngokusemthethweni. Ekudleni, enye into ebalulekileyo yokutya - iivithamini - kufuneka ibe khona ngokwaneleyo. Ukuba le meko ayigcinwanga, umntu udala izifo ezibangelwa ukungabikho kwamavithamini.

Ukungabikho kwamavithamini emzimbeni womntu kunokukhokelela kwizifo ezahlukahlukeneyo, ezibangelwa ukungabikho kwemicimbi yezinto eziphilayo ezibandakanya la mavithamini.

Kwangexesha elide, uluntu sele lwazi isifo esibizwa ngokuba yi-scurvy. Esi sifo sasisoloko sihlushwa ngabanqwelisi abahamba ngehambo ezide ngeenyanga ezininzi. I-Scurvy ibonakaliswe ngongqonge kweendonga zeemithwalo zegazi, ukukhupha iisu, ukukhulula kunye nokulahlekelwa kwamazinyo. Kuphela emva kokufunyanwa kwamavithamini kufunyenwe ukuba i-scurvy ikhula ngokungenakunzima emzimbeni wevithamini C (elinye igama lale vithamini yi-ascorbic acid). Kubonakala ukuba ekungabikho kwezi zinto kubantu, i-collagen protein synthesis iphazamisekile, ekhokelela kwimiphumo engathandekiyo. Yaye inyaniso yokuba i-Middle Ages yayisoloko ifunyanwe kumanxweme, ngenxa yokuba ngamaxesha amandulo ukubonelelwa kwezithelo kunye nemifuno esheshayo yaphela kwiinqanawa. Ngoku kuyaziwa ukuba i-ascorbic acid ifunyenwe ikakhulu kwimveliso yezityalo. Ekuqaleni le nto ayengaziwa (ngokukodwa malunga namavithamini njengolu hlobo kuluntu lwenzululwazi lwaqala ukuthetha kuphela ngo-1880). Ngoku isifo esibangelwa ukungabikho kwe-vitamin C, asiqhelekanga, kwaye isizathu esona siphumo saso sisifo esibi kakhulu kwisondlo. Ukuba udla imihla ngemihla ubuncinane imifuno okanye iziqhamo, ngoko akudingeki ukwesaba ukubonakala kwesi sifo.

Izifo ezibangelwa ukusilela kwe-vitamin A, hememelopia, okanye, njengoko abantu babiza esi sifo, "ubumfama busuku". Ngolu hlobo lwesifo, umntu ubona kakuhle ngemini, kodwa ngokuhlwa, uyaziqonda izinto ezizungezile. Le meko ingathathwa njengesibonakaliso sokuqala kwe-vitamin A ekudleni. Ngenxa yokuntuleka kwevithamini A emininzi yesondlo somntu, i-xerophthalmia ikhula, ebonakalayo ngokumelela kwe-cornea yelihlo. Ngokuqhelekileyo isiseko sokuphuhliswa kwezi zifo kukuchithwa kwamanzi kunye nokuthutha emzimbeni wamafutha. Ekubeni i-vitamin A i-soluble enamafutha, ngenxa yokuphulwa kwe-metabolism yamathambo emzimbeni kwaye kukho ukungabikho kwezi zinto eziphilayo eziphilayo, nangona ukutya ngokwayo kunokufumana isisombululo esaneleyo sevithamini A. Nangona kunjalo, nangona kukho ukungabikho kwe-vitamin A ekudleni, le nto ilula ukulungisa ukufakwa kwimenyu yeesitya ezivela kwiidroti, utamatisi, iilitha.

Ukungabikho kwe-vitamin D kubangela isifo kubantwana ababizwa ngokuba yi-rickets. Ngesi sifo, inkqubo eqhelekileyo yenkqubo ye-bone mineralisation iyaphazanyiswa, kwaye ukuphuculwa kwamazinyo kubambezeleka. Imithombo ye-vitamin D yinto efana nokutya, isibindi, i-yolk yolk. Inani elikhulu levithamini D lifumaneka nakwioli yeentlanzi.

I-Vitamin E ibaluleke kakhulu kwizinto eziphilayo ezisebenzayo ezichaphazela iinkqubo zobomi bokuphuhlisa inkqubo yokuzala. Ngenxa yokungabikho kwe-vitamin E emadodeni, ukubunjwa kwe-spermatozoa kuphazamiseka, kwaye kwabasetyhini, kunokubakho ukuphambuka ekuphuhlisweni komntwana. I-dose yemihla ngemihla ye-vitamin E idlalwa ngokusetyenziswa kweemveliso ezifana neoli yemifino, okusanhlamvu, i-lettuce, iklabishi.

Ezi zifo zinika ingcamango ecacileyo yokuba ukungabikho kwamavithamini athile kwisondlo somntu kubangele ukuphuhliswa kweemeko ezahlukeneyo zesifo. Ngoko ke, ukwenzela ukukhusela ukuphuhliswa kwezi zifo, kufuneka silwele ukwenza ukutya kwethu njengendlela eyahlukeneyo, kunokwenzeka kwimveliso eyahlukeneyo yezilwanyana kunye nemvelaphi yemifuno. Indlela enjalo iya kuvumela ukuba, ukuba kunokwenzeka, ukuqinisekisa ukuhlukahluka kobuninzi bezinto eziphilayo ezisebenza ngokutya kunye nokukhusela ukuphuhliswa kwezifo ezibangelwa ukungabikho kwamavithamini.