Lub Ob Hlis 27, 2014 los ntawm Michael Greger
Trans fats tsis zoo. Lawv tuaj yeem ua rau muaj kev pheej hmoo ntawm kab mob plawv, kev tuag sai sai, ntshav qab zib, thiab tej zaum txawm tias mob hlwb. Trans fats tau txuas rau tus cwj pwm nruj, ua siab ntev, thiab chim siab.
Trans fats feem ntau pom nyob rau hauv ib qho chaw hauv qhov xwm txheej: hauv cov rog ntawm cov tsiaj thiab tib neeg. Kev lag luam zaub mov, txawm li cas los xij, tau pom ib txoj hauv kev los tsim cov roj toxicity los ntawm kev ua cov roj zaub. Hauv cov txheej txheem no, hu ua hydrogenation, cov atoms raug kho dua tshiab kom lawv coj zoo li tsiaj rog.
Txawm hais tias Amelikas ib txwm siv cov roj trans rog feem ntau los ntawm cov khoom noj uas muaj cov roj hydrogenated ib nrab, ib feem tsib ntawm cov rog trans rog hauv Asmeskas noj yog tsiaj txhu. Tam sim no hais tias cov nroog xws li New York tau txwv tsis pub siv cov roj hydrogenated ib nrab, kev noj cov roj trans rog tau poob qis, nrog txog 50 feem pua ntawm Asmeskas cov rog trans tam sim no los ntawm cov khoom tsiaj.
Cov zaub mov twg muaj cov roj trans rog ntau? Raws li lub Department of Nutrients ' official database, cheese, mis nyuj, yogurt, hamburgers, nqaij qaib rog, qaib ntxhw nqaij thiab kub dev saum cov npe thiab muaj kwv yees li 1 mus rau 5 feem pua ntawm cov roj trans.
Cov ob peb feem pua ntawm cov rog rog puas yog teeb meem? Lub cev muaj koob npe tshaj plaws hauv kev tshawb fawb hauv Tebchaws Meskas, National Academy of Sciences, tau xaus lus tias tsuas yog kev noj zaub mov zoo rau cov rog rog yog xoom.
Nyob rau hauv tsab ntawv ceeb toom rau txim rau kev noj cov rog trans, cov kws tshawb fawb tsis tuaj yeem muab qhov kev txwv siab tshaj qhov kev noj haus txhua hnub, vim tias "kev noj cov rog trans ua rau muaj kev pheej hmoo mob plawv." Nws kuj tseem yuav tsis muaj kev nyab xeeb rau kev noj cov roj cholesterol, hais txog qhov tseem ceeb ntawm kev txiav cov khoom tsiaj.
Txoj kev tshawb nrhiav tshiab tshaj plaws tau lees paub qhov kev pom tias kev noj cov rog trans, tsis hais lawv qhov chaw ntawm cov tsiaj lossis cov hauv paus chiv keeb, ua rau muaj kev pheej hmoo ntawm kev mob plawv, tshwj xeeb tshaj yog rau cov poj niam, raws li nws hloov tawm. "Vim tias kev noj cov rog rog yog qhov tsis muaj nyob hauv kev noj zaub mov tsis zoo, tsis yog vegan, txo cov rog rog kom tsawg yuav xav tau kev hloov pauv tseem ceeb hauv kev noj zaub mov noj," tsab ntawv ceeb toom hais.
Ib tus kws sau ntawv, tus thawj coj ntawm Harvard University Cardiovascular Program, muaj npe nrov piav qhia tias yog vim li cas, txawm li cas los xij, lawv tsis pom zoo kom noj zaub mov noj: "Peb tsis tuaj yeem hais kom tib neeg tso cov nqaij thiab cov khoom noj siv mis, "nws hais. “Tab sis peb tuaj yeem qhia tib neeg tias lawv yuav tsum ua neeg tsis noj nqaij. Yog tias peb tsuas yog ua raws li kev tshawb fawb tiag tiag, peb yuav saib qhov siab me ntsis. " Cov kws tshawb fawb tsis xav tso siab rau kev tshawb fawb ib leeg, puas yog? Txawm li cas los xij, daim ntawv tshaj tawm xaus lus tias kev noj cov roj ntsha trans fatty acids yuav tsum raug txo kom ntau li ntau tau, thaum noj zaub mov kom txaus yog qhov tseem ceeb.
Txawm hais tias koj yog ib tus neeg tsis noj nqaij nruj, koj yuav tsum paub tias muaj qhov tsis zoo ntawm cov ntawv sau npe uas tso cai rau cov khoom noj uas muaj tsawg dua 0,5 gram ntawm cov roj trans fatty acids rau ib qho kev pab kom sau tias "tsis muaj rog." Daim ntawv lo no qhia tsis tseeb rau pej xeem los ntawm kev tso cai rau cov khoom lag luam sau npe trans fat-dawb thaum, qhov tseeb, lawv tsis yog. Yog li kom zam tag nrho cov rog rog, txiav cov nqaij thiab cov khoom noj siv mis, cov roj ua kom zoo, thiab txhua yam nrog cov khoom xyaw hydrogenated ib nrab, txawm tias daim ntawv lo hais li cas.
Cov roj uas tsis tau hloov pauv, xws li cov roj txiv roj, yuav tsum tsis muaj cov rog rog. Tab sis qhov kev nyab xeeb tshaj plaws yog tag nrho cov khoom noj muaj roj, xws li txiv ntseej, txiv ntseej, thiab noob.