Thaum kuv mus khw kuv pheej pom cov lus "zoo dua" lossis "muaj zog" ntawm cov khoom noj khoom. Cov lus no txhais li cas thiab qhov txawv ntawm qhov ob yog dab tsi?
Koj yuav pom cov lus no ntawm cov khoom noj uas ua tiav, feem ntau nrog rau kev noj qab haus huv los yog cov khoom noj haus ntxiv. Cov zaub mov uas muaj cov lus zoo ntxiv los yog muaj zog sau rau ntawm cov ntawv lo tau muaj ib los yog ntau cov khoom noj ntxiv rau lawv thaum lub sij hawm tsim kev lag luam.
Hom 'ntxiv kev muab tshuaj' muaj xws li calcium, vitamin C, potassium, hlau, protein ntau los yog fiber.
Qee yaam, kev kawm txhawb ntxiv thiab muaj kev tiv thaiv zoo sib xws, tab sis cov ntsiab lus tsis sib hloov. Koj tuaj yeem hais tias qhov kev kawm txhawb ntxiv yog ib qho kev txhawb nqa, tiam sis kev kho kom haum tsis zoo ib yam li kev txhawb nqa.
Cov Khoom Noj zoo li cas?
Lo lus 'zoo zuj zus' txhais tau hais tias cov khoom noj tau muab ntxiv los hloov cov khoom uas tau ploj thaum lub sijhawm tsim khoom. Piv txwv, cov hom qoob mog yog cov nplua nuj nyob hauv cov vitamins B thiab cov hlau uas nyob rau sab nraud ntawm cov qoob loo, uas hu ua tus hull. Tag nrho cov nplej yog zoo thiab zoo rau koj, tab sis neeg feem coob xav siv dawb hmoov rau lawv cov qhob cij, ncuav qab zib thiab lwm cov khoom ci. Yog li cov khoom noj khoom haus manufacturers refine tag nrho cov nplej los ntawm tshem cov hulls, tsim dawb hmoov. Ntawm chav kawm, tshem tawm cov hulls kuj tshem tawm feem ntau ntawm cov vitamins B-hlau thiab hlau kom lawv rov ntxiv rau hauv cov hmoov ua ntej ntim thiab xa mus muag khoom noj thiab cov khw nojmov.
Kev loj hlob yog tswj kom tiv thaiv cov neeg tau txais kev pab. Lub Tebchaws Asmeskas Cov Khoom Noj thiab Tshuaj Yeeb Tsawg muaj cov cai uas cov neeg ua zaubmov yuavtsum tau ua rawsli thiaj li yuav tuaj yeem ua ntawv foob txog kev tsim. Raws li FDA, cov zaub mov tuaj yeem thov kom tau zoo yog hais tias lawv muaj "tsawg kawg 10 feem pua ntawm cov nqi txhua hnub ntawm qhov kev pab cuam dua li cov zaub mov ntawm tib hom uas tsis muaj kev txhawb nqa."
Tsis tas li ntawd, cov khoom yuav raug sau ua yeeb yam thaum lawv ua tau raws li "FDA's definition rau ib hom zaub mov nrog lub npe uas muaj lub sijhawm ntawd (xws li qhob cij los yog cov nplej uas muaj zog)." Rau peb qhov piv txwv, cov hmoov nplej tsuas yog lo "hmoov nplej" yog tias nws muaj cov thiamine, riboflavin, niacin, folic acid , thiab iron.
Cov Khoom Noj Muaj Dab Tsi?
Fortified cov zaub mov muaj cov as-ham ntxiv ntxiv los ntawm cov zaub mov ua lag luam, tab sis lawv tsis tau txhais hais tias yuav hloov cov as-ham uas tau poob thaum lub sijhawm ua haujlwm. Qhov tseeb, cov zaub mov muaj zog feem ntau muaj cov as-ham uas tsis tshwm sim hauv cov khoom noj. Lub tswv yim yog los ua kom cov zaub mov muaj txiaj ntsig los ntawm kev ntxiv khoom noj khoom haus. Qhov no yuav pab tau rau cov neeg uas muaj peev xwm ploj ntawm ob peb qhov tseem ceeb cov khoom xyaw thiab cov loj dua, cov khoom noj khoom haus muaj peev xwm pab tau cov khoom noj uas tsis muaj kev noj haus thiab cov kev noj qab nyob zoo rau cov pej xeem. Piv txwv, ib qho ntawm cov khoom noj khoom haus thawj zaug hauv Teb Chaws Asmeskas tau iodized ntsev.
Nyob rau hauv thaum ntxov 1900s, goiter (ib tug kab mob ntawm lub qog gland) kuj raug nyob rau hauv cov cheeb tsam uas iodine deficient nyob rau hauv cov av. Nyob rau hauv 1924, qee cov neeg ntsev ntsev ua ntxiv rau iodine rau lawv cov khoom, uas pab txo tus naj npawb ntawm cov neeg mob ntawm cov quav hauv luv luv.
Mis nyuj haus yog thawj zaug uas muaj vitamin D thaum xyoo 1933 los xyuas kom meej tias ib qho dej txaus ntawm cov tshuaj calcium uas yuav nqus tau. Ib qho vitamin D tsis muaj peev xwm ua tau rau rickets rau cov menyuam yaus thiab osteoporosis rau cov laus.
Hnub no koj yuav pom cov kua txiv kab ntxwv kua txiv hmab txiv ntoo, phytosterol-fortified margarine thiab vitamin thiab pob zeb hauv av fortified cereals hauv koj lub khw muag khoom noj. Cov khoom noj khoom haus kuj zoo li no, tab sis txawm tias cov khoom noj qua qaub zog yuav ua kom muaj zog nrog ob peb qho tshuaj ntxiv kom lawv tuaj yeem tso cov ntaub ntawv pov thawj los ua kom muaj zog lossis muaj kev txhawb nqa. Yog li yuav tsum saib xyuas cov neeg pabcuam hauv daim ntawv lo thiab tshawb xyuas cov ntawv pov thawj tseeb ntawm sab nraum qab los yog hauv qab ntawm pob, vim tias kev tiv thaiv tuaj yeem yog qhov zoo tshaj plaws, nws tsis tuaj yeem xa cov zaub mov tsis zoo rau kev noj qab haus huv.
Qhov chaw:
Bishai D, Nalubola R. "Keeb Kwm ntawm Khoom Phem Khoom Noj Hauv Tebchaws Meskas: Qhov Zoo Tseem Ceeb Tshaj Tawm Rau Cov Neej Nruab Nrab hauv Nroog Tebchaws." Economic Kev Txhim Kho thiab Kev Hloov Kho. University of Chicago Xovxwm, 2002.
> Lub Koom Haum Saib Xyuas Tsev Kawm Ntawv. "Kev Noj Tseg Noj Zaub Mov: Cov Txheej Txheem Kev Qhia rau Kev Noj Qab Haus Labometer thiab Fortification."
Lub Tebchaws Asmeskas Cov Khoom Noj thiab Tshuaj. "Cov Khoom Noj Uas Muaj Ntxiv Cov Khoom Noj Uas Pom Zoo" Tau Zog "?