Ntaus Khoom Noj Uas Ntaus Nrig Nyob Hauv Cov Khoom Qhuav Qhuav Li Cereal
Cov zaub mov ua haujlwm ua rau ntau yam khoom noj khoom haus. Cov khoom noj no yuav luag txhua zaus muaj qee yam khoom noj khoom haus los txhim kho tsw los yog ua rau lub neej txee ntawm qhov khoom. BHA thiab BHT yog ob qho ntawm cov khoom siv ntxiv uas koj yuav pom tau teev nyob rau ntawm cov ntawv sau qhia txog ntau cov khoom noj muag.
Ntau tus neeg nug txog kev nyab xeeb ntawm cov khoom noj khoom haus no thiab nws yog kev txhawj xeeb.
Muaj kev ruaj siab, tab sis, ob qho tib si BHA thiab BHT tau raug kuaj thiab siv cov khoom noj kom ruaj ntseg ntev heev.
Dab tsi yog BHA thiab BHT?
Cov khoom noj khoom haus manufacturers ntxiv cov butylated hydroxyanisole (BHA) thiab butylated hydroxytoluene (BHT) rau cov khoom noj xws li cereal thiab lwm yam khoom muag qhuav los pab cov nqaijrog nyob zoo dua qub. Ob qho BHA thiab BHT yog antioxidants , uas txhais tau hais tias lawv tuaj yeem tiv thaiv lwm cov tebchaw los ntawm kev puas tsuaj ntawm cov pa oxygen. Nyob rau hauv ib txoj kev, BHA thiab BHT zoo ib yam li cov vitamin E , uas yog ib qho antioxidant thiab feem ntau siv los ua ib yam tshuaj tiv thaiv thiab.
Kev ua zaub mov xws li cov qos yaj ywm flakes thiab cov zaub mov tshais qhuav yog feem ntau muab ntim rau hauv cov thawv cua txias uas muaj cov khoom tsis huv thiab tsis muaj teeb meem xws li nitrogen gas. Tab sis thaum koj qhib lub pob, cov txheem yog raug cov pa oxygen hauv cov pa.
Cov pa yog zoo rau peb, obviously. Peb yuav tsum ua pa ua pa kom tas mus li. Tab sis, oxygen tsis zoo li no rau cov khoom noj uas ua tiav vim nws reacts rau cov rog thiab ua rau lawv mus rancid.
Cov khoom noj uas muaj cov roj ntsha npliag saj tsis zoo thiab thaum me ntsis rog tsis zoo rau koj, nws tsis yog dab tsi koj xav noj ntau zaus.
Qee yam khoom tau siv tam sim ntawd nws tsis tseem ceeb, tab sis nws yuav coj koj ib lub hlis los yog li ntawd mus rau hauv ib lub thawv ntawm cereal. Koj tsis xav kom koj cov cereal los zaum ntawd thiab mus ua phem-nws yog ib qhov nyiaj khib nyiab thiab noj zaub mov ploj tsis yog lub tswv yim zoo.
Puas yog BHA thiab BHT Zoo Siv Los?
Lub Koom Haum Saib Xyuas Kev Noj Qab Haus Huv thiab Tshuaj Yeeb Tsoom Tebchaws Meskas (FDA) suav tias BHA thiab BHT yuav tsum siv tau cov zaub mov ua tiav.
Cov kws tshawb fawb tau kwv yees tias tus nqi BHA uas tuaj yeem noj zaub mov nruab nrab thiab tsis pom muaj teeb meem dabtsi. Tsis tas li ntawd, cov kws tshawb fawb tau txiav txim siab tias nws yuav siv sij hawm txhua txhua hnub tsawg kawg 125 zaus ntawm qhov nyiaj rau BHA ua cov tshuaj lom.
Ib yam li ntawd, BHT tseem raug txiav txim tias yuav tsis muaj teeb meem. Txawm li cas los xij, cov kev tshawb fawb pom tias siv ntau qhov ntau ntawm BHT tej zaum yuav muaj qee cov kev sib tshuam nrog kev tswj kev tswj xeeb ntawm hormonal los yog cov tshuaj hormones steroid. Nws kuj tseem tuaj yeem ua rau cov qib siab enzymes siab. Tam sim no, FDA tso cai rau khoom noj khoom haus manufacturers siv BHT, tab sis kev tshawb nrhiav kev nyab xeeb ntxiv tau pom zoo.
Lo Lus Ntawm
Tag nrho hauv txhua qhov, cov khoom noj no muaj kev nyab xeeb, thiab koj yeej tsis xav noj cov khoom noj uas tau ploj mus lawm. Txawm li cas los xij, txoj kev txhawj xeeb ntawm lub ntsiab lus yuav tsis yog qhov khoom khaws cia rau lawv tus kheej tab sis cov zaub mov muaj nqis ntawm cov khoom noj uas koj tau noj. Vim tias BHA thiab BHT siv rau hauv cov khoom noj uas muaj roj ntau ntau, muaj caij zoo rau cov khoom noj uas lawv siab nyob hauv calorie ntau ntau. Qhov tseeb, qhov no yuav tsis yog qhov kev xaiv rau koj txoj kev noj haus.
Qhov chaw:
US Food thiab Drug Administration. Xaiv pawg ntawm GRAS Cov Tshuaj (SCOGS) Lub tswv yim: Butylated Hydroxyanisole (BHA). 2015.
US Food thiab Drug Administration. Xaiv pawg ntawm GRAS Cov Tshuaj (SCOGS) Lub tswv yim: Butylated Hydroxytoluene (BHT). 2015.