Intolerance rau mis nyuj qab zib (lactose) nyob rau hauv cov me nyuam

Intolerance (intolerance), lactose (mis nyuj qab zib) - ib hom ntawm cov zaub mov intolerance nyob rau hauv cov me nyuam. Yog hais tias tsis tam sim no, los yog muaj ib tsis txaus tus nqi ntawm cov enzyme lactase (lov lactose), nws tsis tshwm sim los yog tshwm sim insufficiently zom cov zaub mov (assimilation), mis nyuj qab zib (lactose) nyob rau hauv lub plab hnyuv ib ntsuj av tau ntawm tus me nyuam.

Tsis muaj (los yog tsis tuaj kawm ntawv) ntawm lactase tau nyob rau hauv cov tsos mob xws li mob plab, raws plab, flatulence thiab tsam plab tus me nyuam. Yog hais tias lub tau ntawm cov mis nyuj thiab khoom muab mis nyuj muaj txhawb rau rov tshwm sim ntawm tej tsos mob, ces koj yuav xav tias intolerance rau lactose (mis nyuj qab zib).

Lactose (mis nyuj qab zib)

Lactose (mis nyuj qab zib) - ib tug xov tooj ntawm lub ntsiab suab thaj nyob rau hauv cov mis nyuj. Lactose yog ib tug disaccharide muaj li ntawm yooj yim tawg tsam (yooj yim suab thaj) - piam thaj thiab galactose (kev cob cog rua ntawm ib tug oxygen choj).

Lactose yog muaj nyob rau hauv niam cov kua mis (thiab ib co tsiaj nyob rau hauv cov mis nyuj; 4-6%) uas saib kuas txoj kev loj hlob ntawm kab mob thawj lub hlis ntawm lub neej.

Lactase (lub enzyme uas cleaves mis nyuj qab zib)

Lub enzyme (enzyme), lactase nyob rau hauv lub cev yog tsim nyob rau hauv lub hlwb ntawm lub qog ua kua week ntawm cov hnyuv thiab cleaves lactose rau hauv piam thaj thiab galactose.

Rau kev zom (zom cov zaub mov) ntawm leej niam lub mis nyuj me nyuam mos liab yuav tsum tau ib tug txaus siab cov ntsiab lus ntawm lactase. Sai li sai tau raws li leej niam cov kua mis yog tsis ib tug loj qhov twg los ntawm tus me nyuam kev noj haus ntau npaum li cas ntawm lactase ua decreases. Txawm li cas los, lub residual zus tau tej cov lactase tseem rau cov neeg laus, thiab muaj kev haum ntawm lactose mis nyuj thiab khoom muab mis nyuj.

Ntau npaum li cas yog lactose intolerance

Intolerance rau lactose (mis nyuj qab zib) - yog heev heev thiab yuav pom tsis tau li ntau li ntau ib tug kab mob, tiam sis raws li ib tug khoom teejtug uas yog tus kab mob ntawm ntau tus neeg. Yam tsawg kawg 50% ntawm cov pejxeem mus rau ib tug tsawg los yog ntau dua twg lactose intolerant. Nyob rau hauv cov me nyuam mos thiab cov me nyuam yaus, lactose intolerance yog ntawm ob qhov tseem ceeb (tsis tshua muaj heev), muab piv nrog ib tug haum mis nyuj ua (mis nyuj cov nqaijrog).

Txawm li cas los, lactose intolerance nyob rau hauv cov me nyuam yog ib tug tseem ceeb tshaj qhov zoo tshaj tshaj rau cov neeg laus vim hais tias cov mis nyuj thiab khoom muab mis nyuj muaj ib tug yooj yim feem ntawm cov khoom noj haus ntawm cov me nyuam cov hluas uas muaj hnub nyoog.