Kulula ukudibanisa i-lactase ne-lactose.
Kungenzeka ukuthi wezwa nge-lactose, okuyinto uhlobo ushukela olutholakala ubisi nezinye imikhiqizo yobisi-based. Abantu abaningi banenkinga yokugaya i-lactose - kungenxa yokuthi abanalo i-lactase eyanele, okuyinto enzyme imizimba yethu eyenza ukusisiza ukuba sidle i-molecule i-lactose.
Umzimba wakho awukwazi ukugaya futhi ubambe i-lactose ngaphandle kokuthi i-enzyme ye-lactase ihluke ukuba ibe yizingxenye ezimbili eziyingxenye eyaziwa ngokuthi i-glucose (ishukela elula) ne-galactose (enye indlela ushukela empeleni engumnandi kakhulu kune-glucose ne-fructose eyaziwa kangcono) .
Uma ungenayo i-lactase eyanele emathunjini akho, le nqubo ayisebenzi ukwenza i-lactose ibe khona emaqeleni amabili amancane. Futhi uma i-lactose ingaphuki, idala izinkinga.
Yiziphi izinkinga? Impela, i-lactose engaphenduliwe ingabangela izigumbane zomzimba, flatulence kanye nesifo sohudo.
Abantu abanokubekezelelana kwe-lactose ngokuvamile kumele bagweme umkhiqizo wobisi (noma okungenani ubeke umkhawulo) ukuze bagcine izimpawu zabo ziba khona. Ngenye indlela, bangathenga ubisi lwe-lactose nezinye imikhiqizo yobisi olusekelwe ubisi.
Yini Lokhu Kuhlobene Nezifo ZamaCeliac?
Njengoba kuvela, i-enzyme lactase yenziwa ngamathumbu emathumbu emathunjini, okuyizicabha ezincane ezinjengamunwe ezisemathunjini akho amancane.
Uma umuntu enesifo se-celiac , ukusetshenziswa kwe- gluten kubangela ukuthi amasosha omzimba awo ahlasele ngephutha labo villi, okuholela kulokho okubizwa ngokuthi i-villous atrophy , noma ukuguguleka kwe-villi.
Lapho i-villi isivele isuka, umzimba unenkinga yokukhiqiza i-lactase eyanele.
Njengoba umzimba wakho udinga i-lactase ukugaya i-lactose, ukuntuleka kwe-lactase kungaholela ekungabeki kwe-lactose.
Ucwaningo luye lwabonisa ukuthi abantu abahlolwe ukuthi banesifo se-celiac bangaphinda babekezelele i-lactose emikhiqizweni yobisi uma sebeqalile ukulandela ukudla kokudla okungenayo i-gluten . Kungenzeka ukuthi lokhu kwenzeka ngenxa yokuthi amandla abo emathunjini amathumbu okukhiqiza i-lactase abuyiselwe njengoba i-vil yabo emathunjini ikhula emuva.
Esinye isifundo, umuntu oyedwa kwabangu-15 waphinde wakwazi ukugaya i-lactose (njengoba kulinganiswa nokuhlolwa kokuphefumula kwe-hydrogen) zingakapheli izinyanga eziyisithupha zokuphuma kwe-gluten. Abantu abasishiyagalolunye abayisishiyagalolunye nesishiyagalolunye abasesifundweni bafumana amandla okugaya i-lactose zingakapheli izinyanga ezingu-12 ukuqala ukudla.
Abacwaningi baphawula ukuthi "inani elikhulu" labantu abanezifo ezingama-celiac kubonakala sengathi libuyela emuva ekubeni li-lactose-elibekezelayo (cishe ngenxa yokuthi manje likhiqiza i-enzyme lactase) ngemva konyaka ekudleni okungenalutho kwe-gluten. Odokotela kufanele bavivinye ukubekezelelana kwe-lactose ukuqinisekisa ukuthi abantu abanesifo se-celiac abangekho ngokungadingekile ne-lactose-free, ucwaningo luphelile.
Kungenzeka futhi ukwazi ukuthi yini eyaziwa njengokwenyama okuyisisekelo se-lactase. Lokhu kusho ukuthi izakhi zakho zezakhi zofuzo zibeka icala lokuntuleka kwe-lactase (nokuhluleka okuhlobene nokugaya i-lactose), hhayi esinye isimo sezokwelapha esifana nesifo se-celiac.
(Ehlelwe nguJane Anderson)
Umthombo:
Ojetti V. et al. Ukunciphisa i-lactose malabsorption ezigulini ze-celiac ngemuva kokuthola ukudla okungenamsoco we-gluten. I-Scandinavia Journal of Gastroenterology. 2008; 43 (2): 174-7.