Mis tsis muaj lactose: tuam ntxhab, thev naus laus zis, cov txiaj ntsig thiab kev puas tsuaj

2024 Tus sau: Isabella Gilson | [email protected]. Kawg hloov kho: 2023-12-17 03:27

Yog tias koj nquag mus xyuas cov khw muag khoom loj, tej zaum koj yuav pom cov thawv ci uas hais tias lawv muaj mis nyuj tsis muaj lactose. Nws feem ntau cuam tshuam nrog qee yam khoom tsim, uas tsis yog cov khoom siv ntuj tsim, xws li hloov cov suab thaj nrog cov piam thaj hloov. Qhov tseeb, qhov no tsis yog qhov teeb meem, txawm hais tias qhov yuav tsum tau noj nws yog vim tus yam ntxwv ntawm lub cev ntawm tus neeg.

Yog tias koj noj qab haus huv tag nrho, koj tuaj yeem haus mis nyuj tsis muaj lactose tsis tu ncua, tab sis rau tus neeg muaj lactase tsis txaus, tsis muaj kev xaiv li ntawd. Noj cov mis nyuj tsis tu ncua yuav ua rau nws mob raws plab, tsam plab thiab plab.

YLactose allergy

Nws yog hom zaub mov tsis haum. Lub cev tiv thaiv kab mob, rau qhov tsis paub yog vim li cas, pib pom cov mis nyuj protein li txawv teb chaws, ntxiv rau, ua phem rau lub cev. Ib qho kev tawm tsam hnyav pib, uas los ntawm sab nraud zoo li cov zaub mov lom. Feem ntau hauv 30 feeb tom qab haus mis nyuj (ice cream, cheese, tsev cheese)cramping mob plab, rumbling, nce roj tsim pib tshwm. Feem ntau qhov no xaus nrog xeev siab lossis ntuav, raws plab loj nrog cov kua dej tawm, thiab ua pob tawv nqaij. Muaj peev xwm o ntawm lub ntsws thiab cov kab mob ua pa.

Nyob rau hauv rooj plaub no, nws raug nquahu kom tsis suav tag nrho kev noj cov mis nyuj protein rau hauv lub cev. Nrog rau qhov tshwm sim me me ntawm qhov tsis sib xws, nws txaus los txiav txim siab qhov kev nyab xeeb npaum li cas thiab tsis pub tshaj nws. Hauv kev tsis haum tshuaj hnyav, cov menyuam yaus thiab cov neeg laus hloov pauv cov mis nyuj protein nrog zaub analogues (kua mis). Thiab qee zaum qhov tshuaj tiv thaiv no tsuas yog txuas rau nyuj cov kua mis protein xwb. Sim noj tshis ib pliag thiab saib seb koj lub cev ua li cas.

Y Lactose intolerance

Ntau zaus ob lub ntsiab lus no tsis meej pem. Tseeb tiag, intolerance thiab kev tsis haum tshuaj yog me ntsis ze, tab sis muaj qhov sib txawv. Hauv thawj kis, lub cev tiv thaiv kab mob tsis koom nrog, uas txhais tau hais tias peb tsis tuaj yeem tham txog kev ua xua. Qhov ua rau ntawm cov teeb meem yog qhov tsis muaj peev xwm ntawm lub cev kom zom cov kua mis qab zib - carbohydrate hu ua lactose. Yog hais tias rau ib tug neeg laus qhov no tsis yog ib qho teeb meem, ces lactose intolerance nyob rau hauv cov me nyuam feem ntau hloov mus rau hauv kev loj hlob retardation, teeb meem nrog rau txoj hnyuv, tshwj xeeb tshaj yog rau cov me nyuam.

Yuav ua li cas hauv lub cev? Mis nkag mus rau hauv lub plab, thiab los ntawm qhov ntawd mus rau cov hnyuv. Thiab ntawm no qhov teeb meem pib: qhov tsis muaj lub plab zom mov (lactase) tsis tuaj yeem ua rau nws tuaj yeem ua rau zom thiab zom cov mis nyuj qab zib, thiab nws, dhau los, ua lub chaw yug me nyuam rau cov kab mob putrefactive thiab microorganisms. Qhov no yog li cas zaub mov intolerance tshwm sim. Nws qhov sib txawv tseem ceeb ntawm kev ua xua yog tias tsis muaj pob khaus ntawm daim tawv nqaij thiab Quincke's edema yeej tsis tsim. Qhov teeb meem no daws tau yooj yim me ntsis, txij li hnub no muaj cov mis tsis muaj lactose uas tuaj yeem noj tau es tsis txhob siv ib txwm siv, uas yuav zam cov tsos mob tsis zoo.

Cov tsos mob tseem ceeb ntawm lactose intolerance

Nyob ntawm tus neeg, qhov no yuav ntuav, mob plab, tsam plab lossis raws plab. Nws tuaj yeem qee zaum nyuaj rau qhov txawv ntawm nws cov tsos mob zoo sib xws ntawm kev ua xua thiab ua xua. Kev kuaj mob yog qhov nyuaj tshwj xeeb rau cov menyuam yaus. Nco ntsoov hu rau tus kws kho mob hauv zos, nws yuav pab kuaj mob thiab muab qee yam lus pom zoo.

Yog tias tsis muaj kws kho mob (yog tias koj mus so, tawm hauv nroog), ces cia li tso tseg cov khoom siv mis nyuj thiab saib cov tshuaj tiv thaiv. Yog tias nws zoo dua, tom qab ib hnub, muab cov mis nyuj uas tsis muaj lactose rau tus menyuam. Nws yog dab tsi, peb yuav xav txog ntau yam hauv qab no. Yog tias nyob rau hauv ib teev cov tsos mob uas tshwm sim dhau los ntawm cov mis nyuj zoo tib yam tsis tshwm sim, ces koj tuaj yeem ua pa dawb, qhov no tsis yog kev ua xua. Yog tias koj lub nroog muaj lub khw rau kev tsim cov khoom soy, ces xav tias dawb mus rau lub qhov hluav taws xob mus yuav lawv cov mis nyuj, qaub cream thiab taum paj (cheese). Cov khoom no muaj zaub, kua protein, yog cov digestible heev thiab noj qab nyob zoo.

Lactose Free Formula rau Cov Me Nyuam

Thaum ntsib teeb meem ntawm ib tus neeg tsis muaj lactose intolerance hauv tus menyuam me, cov niam txiv feem ntaulawv pib ntshai. Tom qab tag nrho, mis nyuj thiab tus me nyuam noj qab nyob zoo yog ob lub ntsiab lus uas sib koom ua ke hauv peb lub siab rau hauv ib qho tag nrho. Qhov tseeb, txhua yam tsis tu siab heev. Nyuj cov kua mis yog tsim los pub rau menyuam mos noj thiab tej zaum yuav tsis zoo tagnrho rau tus menyuam uas muaj lub plab zom mov sib txawv. Txawm li cas los xij, nws yog ib qho khoom muaj txiaj ntsig uas muaj ntau cov calcium thiab phosphorus, uas cov menyuam yaus xav tau.

Txoj kev uas yooj yim tshaj plaws yog pub mis rau koj tus menyuam tsis muaj lactose. Nws yog dab tsi, koj yuav zoo siab qhia rau koog tsev kawm ntawv tus kws kho menyuam yaus lossis tus kws pab tswv yim muag hauv lub tuam txhab koom tes. Tag nrho cov txiaj ntsig zoo ntawm cov mis nyuj yog khaws cia hauv nws. Muaj ntau yam khoom lag luam hauv khw, xws li cov qauv tsis muaj lactose rau cov menyuam yug tshiab mus rau cov mis nyuj porridges rau cov menyuam yaus preschools.

Cov tuam txhab nto moo tshaj plaws ntawm cov mis tsis muaj lactose rau menyuam yaus yog Valio (Finland), Humana (Lub Tebchaws Yelemees), Hipp (Hungary), Heinz (England), Nestle Holland. Lawv ua kom muaj kev xav tau siab ntawm lawv cov khoom, vim qhov no yog cov zaub mov tseem ceeb rau cov khoom me. Tias yog vim li cas cov khoom no paub thiab hlub los ntawm cov niam thoob plaws ntiaj teb. Pediatricians pom zoo kom maj mam hloov cov me nyuam mus rau cov mis uas tsis muaj lactose, thiab maj mam sim cov zaub mov tsis tu ncua. Feem ntau, nrog lub hnub nyoog, kev tsim cov enzyme (lactase) nce, thiab kev zom zaub mov rov qab mus rau qhov qub.

YDab tsi yog mis nyuj tsis muaj lactose

Kuv yuav tsum hais tias tsis txawv ntau npaum li nyuj. Qhov no yog tej yam ntuj tso mis nyuj, los ntawm uas, los ntawm txoj kev ntawm ib tug complexmembrane cais seized mis nyuj qab zib, carbohydrate. Yog hais tias peb coj mus rau hauv tus account thev naus laus zis subtleties, ces peb tuaj yeem hais cov hauv qab no: muaj cov khoom tsis muaj lactose thiab nws cov kwv tij ntxaib, cov mis nyuj nrog cov ntsiab lus ntawm cov mis nyuj tsis muaj qab zib. Dab tsi suits koj yog xaiv - empirically los yog nyob rau hauv lub hauv paus ntawm kev sim kuaj. Txoj kev thib ob yog nrawm dua thiab nyiam dua.

Lactose tsis muaj qab zib me ntsis dua li mis nyuj. Qhov no yuav siv qee qhov ua rau siv. Txwv tsis pub, cov ntsiab lus ntawm cov as-ham yog tib yam nkaus, yog li yog tias koj tsis muaj lactose intolerance, ces nws tsis muaj teeb meem tiag tiag uas koj noj mis nyuj.

khoom noj khoom haus tag nrho

Feem ntau peb tsis tuaj yeem xav txog lub rooj uas tsis muaj qaub cream, kefir, tsev cheese thiab cheese. Cov no yog cov khoom siv tau zoo tshaj plaws, uas yog qhov tseem ceeb tshaj plaws rau lub cev loj hlob. Nws hloov tawm hais tias cov me nyuam uas muaj lactose intolerance yog deprived ntawm lub sij hawm noj mov txoj cai? Tsis yog, niaj hnub no ntshuam manufacturers tau ua kom paub tseeb tias tag nrho cov khoom tsim nyog yam tsis muaj lactose nyob rau hauv txee.

YQhov no yog cov mis nyuj, kefir, tsev cheese thiab cheese. Ib kab ntxiv suav nrog yogurts, curds lossis cream, nrog rau butter, uas tuaj yeem ntxiv rau cov khoom noj. Lub txee lub neej nyob ntawm cov khoom thiab ntim, piv txwv li, cov mis nyuj hauv cov ntim mos yog khaws cia rau 8 hnub, thiab hauv pob tetra rau ob peb lub hlis.

Yog tias koj nyob hauv ib lub nroog me me, thiab yog li tsis muaj kev nplua nuj nyob hauv khw muag khoom, ces koj tuaj yeem siv txoj hauv kev hauv tsev. Yuav cov mis nyuj tsis muaj lactose yog yooj yim heev rau ferment siv Linex capsules los yog"Bifidumbacterin" kom tau zoo heev yogurt. Straining nws los ntawm cheesecloth, koj tuaj yeem noj tsev cheese, thiab yog tias koj boil nws thiab muab dai rau hauv cheesecloth, koj yuav txaus siab rau tsev cheese. Muaj ntau txoj hauv kev kom tau txais tsev cheese: ua qhov no, ua kom sov cov mis nyuj thiab ncuav ib lub tshuaj calcium chloride rau hauv nws. Koj yuav tau txais ib qho tshwj xeeb curd enriched nrog ib qho tseem ceeb mineral. Yog li koj tuaj yeem faib koj tus menyuam txoj kev noj haus, txawm tias nws raug kev txom nyem los ntawm lactose intolerance.

Valio khoom

Cov chaw tsim khoom no paub thoob plaws tebchaws Russia. Nws pab tau ntau leej niam. Raws li kev txheeb cais, niaj hnub no txog 15% ntawm cov menyuam yaus raug kev txom nyem los ntawm lactose intolerance. Qee lub sij hawm nws ploj mus nrog hnub nyoog, qee zaum nws tsis. Dab tsi yog mis nyuj tsis muaj lactose, peb kawm ua tsaug rau Valio. Peb cov tuam txhab lag luam hauv tsev tsuas yog mus tshaj tawm cov khoom lag luam no, tab sis rau ntau qhov no yog ib txoj haujlwm tsis yooj yim sua, vim nws xav tau kev nqis peev loj uas yuav tsis them sai sai.

Thawj zaug lub tuam txhab Finnish tau tsim cov kab ntau lawm hauv xyoo 2001. Nyob rau hauv lub rhawv ntawm sab qaum teb lub teb chaws tshwm cov khoom tiav tshem tawm ntawm lactose thiab nrog txo cov roj cov ntsiab lus. Qhov no yog qhov tseem ceeb heev vim cov neeg hauv zos tsis tau txais ntau lub hnub thiab yog li raug kev txom nyem los ntawm vitamin D tsis txaus. Nws yog qhov zoo tshaj plaws absorbed nrog calcium, yog li cov khoom siv mis nyuj yog qhov tseem ceeb.

Yog tias thawj xyoo ntawm lub tuam txhab kev ua haujlwm lactose hauv cov mis nyuj tseem nyob, txawm hais tias nyob rau hauv me me, hnub no muaj cov kab ntau lawm.zam qhov no kiag li. Vim qhov kev pom tsis zoo, cov khoom lag luam muaj qab zib saj. Ib txhia nyiam nws, lwm tus tsis heev. Tab sis cov neeg tsim khoom tau nrhiav lub sijhawm los ua tiav qhov zoo tshaj plaws uas yuav haum rau txhua tus. Lawv ua tiav. Valio lactose-dawb mis yog tam sim no indistinguishable los ntawm cov khw muag khoom noj mis nyuj.

Yog tias txawv teb chaws qhov no twb yog cov khoom paub, ces cov neeg siv khoom hauv tsev tsuas yog pib paub txog cov khoom uas tsis muaj lactose. Nyob rau tib lub sijhawm, qhov ntim ntawm nws qhov kev siv ntau tshaj txhua qhov kev npaj. Qhov no qhia tias cov Russians txaus siab rau qhov zoo ntawm Valio cov khoom noj siv mis. Muaj kev thov ntawm kev ua lag luam, uas txhais tau hais tias kev tsim khoom hauv tsev nrog cov nqi sib tw rau cov khoom tiav yog xav tau.

Lactose Free Mis Manufacturers

Xyaum tsuas yog tus xa khoom zoo tshaj plaws rau kev lag luam Lavxias niaj hnub no yog Valio. Lactose-dawb mis nyuj ntawm hom no ua tau raws li txhua tus qauv thiab tau lees paub tias yog qhov zoo tshaj plaws hauv nws ntu. Muaj ntau lub tuam txhab uas tau sim rov ua qhov kev ua yeeb yam no, tab sis qhov tsis muaj peev nyiaj los yuav cov cuab yeej kim thiab kho cov thev naus laus zis coj mus rau qhov tseeb tias tsuas yog cov mis nyuj uas tsis muaj lactose tau tsim. Hauv qhov no, txoj kev yooj yim tshaj plaws tau xaiv, lub plab zom mov (lactase) tau ntxiv rau cov mis nyuj, qhov no ua rau muaj kev puas tsuaj ntawm lactose rau hauv qabzib thiab galactose. Tias yog vim li cas cov neeg siv khoom xav tias qhov tsis zoo, qab zib qab qab. Cov khoom zoo li no tsis muaj kev nyab xeeb rau cov neeg uas muaj cov tsos mob hnyav.thiab cov tsos mob intolerance.

Muaj ntau cov kev tshawb fawb piv cov khoom tsis muaj lactose los ntawm cov tuam txhab sib txawv. Tsuas yog Valio mis nyuj muaj 0.01% mis nyuj qab zib. Ntau lub npe qis-lactose tau tshaj tawm 4.8%, uas yuav luag sib npaug rau qib lactose hauv cov mis nyuj tag nrho.

Raws li cov xwm txheej nom tswv, kev rau txim thiab kev ntsuas teb, cov mis tsis muaj lactose tau tso tseg rau hauv kev lag luam hauv tsev. Cov neeg tsim khoom tau poob lub peev xwm loj loj rau kev loj hlob thiab kev loj hlob, thiab ntau tus niam txiv tau poob ib qho khoom tseem ceeb rau lawv cov menyuam. Nws tseem siv cov mis mos tsis muaj lactose, kua mis nyuj thiab tshis. Niaj hnub no, Belarus tau pib tsim cov khoom tseem ceeb no raws li Savushkin Product brand.

Tsev tsim khoom

Tam sim no tsis muaj lub tuam txhab hauv Russia tuaj yeem yuav lossis tsim nws tus kheej thev naus laus zis. Valio khaws cov kws tshaj lij tsis pub lwm tus paub. Txawm tias cov neeg sau xov xwm lees paub lawv cov khoom tsim tawm tsis pub thaij duab ntawm kev cob qhia ntau lawm.

Kev tsim cov khoom tsis muaj lactose yuav tsum muaj cov cuab yeej siv siab, thev naus laus zis tshwj xeeb thiab kev nqis peev ntau lab daus las. Nyob rau tib lub sijhawm, kev tsim cov khoom tshiab tuaj yeem siv sijhawm ntau xyoo. Lub ntiaj teb nto moo tuam txhab Valio siv 15 xyoo los tsim. Tsuas yog tom qab ntawd lawv muaj peev xwm patent thiab muag lawv cov mis nyuj thiab lwm yam khoom. Lawv tuaj yeem noj tau los ntawm ib tus neeg uas muaj lactose intolerance, thaum saj tsis txawv ntawm cov khoom noj siv mis ib txwm muaj.

Txhawm rau pib koj tus kheej ntau lawm, koj tsis tas yuav rov tsim lub log,Valio technology tau ntawv tso cai thoob ntiaj teb. Nws twb tau ua tiav siv hauv Norway, Tebchaws Asmeskas thiab Fabkis. Cov neeg tsim khoom hauv tsev txaus siab rau lub sijhawm tshiab, tab sis lawv ntshai tias vim muaj kev nqis peev nyiaj txiag loj, tus nqi ntawm cov khoom tiav yuav tsis zoo rau cov neeg siv khoom.

mis tsis muaj lactose: cov txiaj ntsig thiab kev puas tsuaj

Rau tus neeg noj qab haus huv, mis nyuj yog cov khoom muaj txiaj ntsig, muaj cov zaub mov, vitamins, amino acids. Nrog lactose tsis txaus, ib tug neeg muaj kev tsis xis nyob, tab sis qhov no tsis yog teeb meem ntawm mis nyuj, tab sis ntawm tus yam ntxwv ntawm nws lub cev. Nws yog rau cov neeg zoo li no tias mis nyuj tsis muaj lactose yog qhov pom tiag tiag. Nws muaj tib yam khoom muaj txiaj ntsig, tab sis nws tsis ua rau muaj kev cuam tshuam tsis zoo los ntawm txoj hnyuv.

Yog tias cov mis tsis muaj lactose tsis tas sijhawm, tag nrho cov qauv huv thiab huv tau ua tiav, ces nws tsis tuaj yeem ua mob rau lub cev. Tsis tas li ntawd, koj yuav tsum tsis txhob nyob twj ywm ntawm cov khoom tshiab, vim tias muaj ntau yam khoom siv hauv khw. Hauv fermented mis nyuj cov khoom, tus nqi ntawm lactose ib txwm txo qis thaum cov kab mob ua rau cov mis nyuj qab zib (carbohydrate) thaum fermentation. Yog tias cov kev mob tshwm sim los ntawm kev noj cov khoom noj siv mis tsis dhau, koj tuaj yeem siv cov tsev cheese me me thiab kefir. Teem kom muaj nuj nqis sim, rau ib tus neeg nws yog 400 g ntawm tsev cheese ib hnub, thiab rau lwm qhov, qhov siab tshaj plaws ntawm 100 g yog qhov tsim nyog.

Muaj lwm txoj hauv kev uas yuav tso cai rau koj los faib koj lub rooj sib txawv yam tsis muaj teeb meemnoj qab haus huv. Tus kws kho mob gastroenterologist tuaj yeem sau tshuaj tshwj xeeb uas muaj cov enzymes digestive (lactase). Vim yog cov nyiaj them poob haujlwm ntawm cov enzymes, kev zom zaub mov yuav zoo li qub txawm tias haus mis nyuj. Qhov no tsis yog kev kho mob, sai li sai tau thaum koj tso tseg cov tshuaj, kev zom zaub mov yuav rov qab mus rau qhov qub, vim lub cev nws tus kheej tsis tsim cov enzyme txaus. Tab sis nws tuaj yeem yog txoj hauv kev ncaj ncees los npaj kev pub mis rau menyuam yaus. Thaum lub hnub nyoog laus dua, koj tuaj yeem tau txais cov khoom tsim nyog los ntawm cov khoom siv hloov pauv.

zais ntawm daim duab zoo nkauj: cov mis nyuj uas tsis muaj lactose yog qhov zoo dua los xaiv?

Txhua tus poj niam siv zog ua kom zoo nkauj thiab feem ntau zaum ntawm ntau yam kev noj haus. Protein yoo mov hnub suav hais tias yog qhov zoo tshaj plaws. Lub cev siv ntau lub zog los zom cov khoom zoo li no, ntxiv rau, cov protein tau noj txhua hnub rau kev xav tau sab hauv. Txhawm rau them tus nqi, koj yuav tau siv cov roj reserves uas koj yuav tsum tau mus.

Nyob teb chaws txawv teb chaws, txhua tus neeg uas xav kom poob phaus tau ntev tau siv cov khoom noj mis tsis muaj lactose. Qhov sib txawv ntawm lawv thiab cov mis nyuj ib txwm, kefir thiab tsev cheese yog qhov pom zoo heev. Qhov no yog hais txog tib yam li haus tshuaj yej nrog lossis tsis muaj suab thaj ntawm kev noj haus. Qhov txawv yog vim muaj los yog tsis muaj lactose. Nws yog carbohydrate, mis nyuj qab zib, uas zom rau hauv qabzib thiab galactose thiab ua rau cov suab thaj sai sai rau hauv cov hlab ntsha, tom qab ntawd peb xav tias tshaib plab sai sai.

ThaumHauv kev tsim cov mis nyuj tsis muaj lactose, tag nrho cov lactose raug tshem tawm ntawm nws, thiab tsuas yog cov khoom siv tseem ceeb. Nyob rau tib lub sijhawm, tus naj npawb ntawm cov calories raug txo los ntawm 20%, thiab carbohydrates - los ntawm 35%. Raws li, cov txiaj ntsig ntawm koj cov khoom noj yuav yog qhov thib peb siab dua, tab sis rau qhov no koj yuav tsis tas yuav txo cov khoom noj lossis ua rau koj tus kheej ntxiv, lub zog loads. Raws li kev txheeb cais, nrog kev noj zaub mov hauv tsev tsis tu ncua, nws tuaj yeem poob 5 kg hauv ib lub lis piam, thiab nrog cov khoom tsis muaj lactose-dawb, 7 lossis ntau dua kilograms.

Yuav siv tau li cas yog cov khoom rau cov neeg siv khoom

Yog cov neeg nyob hauv megacities twb paub txhua yam txog cov mis nyuj tshiab, cheese, tsev cheese thiab butter, ces rau cov nroog me thiab cov cheeb tsam nyob deb nroog cov lus nug ntawm qhov twg yuav cov mis nyuj tsis muaj lactose yuav cuam tshuam. Yog tias ib tus neeg hauv tsev neeg feem ntau mus ncig ua lag luam, koj tuaj yeem hais kom nws nqa ib lub thawv tetra. Txawm nyob rau hauv chav tsev kub, xws li ib tug khoom yuav khaws cia rau ib ntev lub sij hawm. Qhov kev xaiv thib ob yog thov kom tsis muaj lactose mis nyuj txhua hnub ntawm lub khw ze. Thaum kawg cov neeg muag khoom yuav pom lub sijhawm los yuav cov khoom uas xav tau.

Summarize

Koj tuaj yeem hais tias cov khoom tsis muaj lactose yog lub sijhawm rau ntau tus neeg rov qab los noj zaub mov zoo. Txij li thaum ancient sij hawm, mis nyuj thiab nws cov derivatives tau suav hais tias yog lub hauv paus ntawm lub zog thiab kev noj qab haus huv, tsis txhob hais tias lawv qab npaum li cas thiab muaj pes tsawg leeg tuaj yeem ua noj. Yuav ua li cas rau noj tshais rau menyuam yaus? Ntawm chav kawm, mis nyuj porridge, thiab rau yav tav su khoom noj txom ncauj ib lub qhaub cij nrog cheese thiab butter. Khoom noj khoom haus niaj hnubKev lag luam tab tom ua qhov no muaj tseeb, txawm tias tus menyuam mos lactose intolerant.