Noj txiv hmab txiv ntoo thiab zaub ntau dua feem ntau pom zoo kom poob phaus vim lawv ua rau koj xav tias tag nrho, tab sis qhov no tuaj yeem yog qhov kawg, raws li kev tshawb fawb tshiab los ntawm University of Alabama ntawm Birmingham, luam tawm nyob rau hauv American Journal of Clinical Nutrition.
Raws li USDA's My Plate Initiative, qhov pom zoo noj txhua hnub rau cov neeg laus yog 1,5-2 khob txiv hmab txiv ntoo thiab 2-3 khob zaub. Katherine Kaiser, PhD, AUB Public Health Kws qhia ntawv, thiab ib pab neeg tshawb fawb xws li Andrew W. Brown, PhD, Michelle M. Moen Brown, PhD, James M. Shikani, Dr. Ph. thiab David B. Ellison, PhD, thiab Purdue University cov kws tshawb fawb tau ua qhov kev tshuaj xyuas thiab kev tshuaj ntsuam xyuas cov ntaub ntawv los ntawm ntau dua 1200 tus neeg koom hauv xya qhov kev tswj hwm kev sim uas tsom mus rau kev nce cov txiv hmab txiv ntoo thiab zaub hauv kev noj haus thiab cov txiaj ntsig ntawm kev poob phaus. Cov txiaj ntsig tau pom tias nce cov txiv hmab txiv ntoo thiab zaub noj ib leeg tsis txo qhov hnyav.
Kaiser hais tias "Zuag qhia tag nrho, tag nrho cov kev tshawb fawb uas peb tau tshuaj xyuas pom yuav luag tsis muaj txiaj ntsig rau kev poob phaus," Kaiser hais. “Yog li kuv tsis xav tias koj yuav tsum noj ntau ntxiv kom poob phaus. Yog tias koj ntxiv txiv hmab txiv ntoo thiab zaub ntxiv rau cov zaub mov tsis tu ncua, koj yuav tsis zoo li poob phaus. Txawm hais tias muaj coob tus neeg ntseeg hais tias txiv hmab txiv ntoo tuaj yeem ua rau koj nce qhov hnyav, Kaiser hais tias qhov no tsis tau pom nrog ntau npaum li cas.
"Nws hloov tawm tias yog tias koj noj txiv hmab txiv ntoo thiab zaub ntau, koj tsis hnyav, uas yog qhov zoo vim nws tso cai rau koj kom tau txais cov vitamins thiab fiber ntau," nws hais. Thaum nws lees paub cov txiaj ntsig kev noj qab haus huv ntawm cov txiv hmab txiv ntoo thiab zaub, lawv cov txiaj ntsig poob phaus tseem nyob rau hauv nqe lus nug.
Kaiser hais tias "Hauv cov ntsiab lus dav dav ntawm kev noj zaub mov noj qab haus huv, txo lub zog pab txo qhov hnyav, thiab kom txo lub zog, koj yuav tsum txo cov calories noj," Kaiser hais. - Cov neeg xav tias cov zaub thiab txiv hmab txiv ntoo uas muaj fiber ntau yuav hloov cov zaub mov tsis zoo thiab pib lub cev poob phaus; peb txoj kev tshawb fawb, txawm li cas los xij, qhia tau tias qhov no tsis tshwm sim hauv cov neeg uas tsuas pib noj txiv hmab txiv ntoo thiab zaub ntau dua. "
"Hauv kev noj qab haus huv rau pej xeem, peb xav muab cov lus zoo thiab txhawb nqa rau tib neeg, thiab hais kom tib neeg noj txiv hmab txiv ntoo thiab zaub ntau dua yog qhov zoo dua li tsuas yog hais tias "noj tsawg." Hmoov tsis zoo, zoo li yog tias tib neeg pib noj txiv hmab txiv ntoo thiab zaub ntau dua, tab sis tsis txo tag nrho cov khoom noj, qhov hnyav tsis hloov, "said tus kws tshawb fawb laus David W. Ellison, PhD, tus thawj coj ntawm natural sciences ntawm UAB Institute of Public Health.
Vim tias qhov kev pom zoo no muaj ntau, Kaiser vam tias qhov kev tshawb pom yuav ua rau muaj qhov sib txawv.
Muaj ntau txoj kev tshawb fawb uas tib neeg siv nyiaj ntau heev los sim nrhiav seb yuav ua li cas kom lawv noj cov txiv hmab txiv ntoo thiab zaub, thiab muaj ntau yam txiaj ntsig los ntawm qhov no; tab sis kev poob phaus tsis yog ib qho ntawm lawv, "hais tias Kaiser. "Kuv xav tias kev ua haujlwm ntawm kev hloov pauv kev ua neej zoo dua yuav yog kev siv nyiaj thiab sijhawm zoo tshaj plaws."
Kaiser hais tias yuav tsum muaj kev tshawb fawb ntxiv kom nkag siab tias cov zaub mov txawv yuav cuam tshuam li cas rau kev poob phaus.
"Peb yuav tsum tau ua ib qho kev kawm tshuab kom nkag siab qhov no, tom qab ntawd peb tuaj yeem qhia rau pej xeem txog yuav ua li cas yog tias muaj teeb meem poob phaus. Cov ntaub ntawv yooj yim tsis zoo heev, "nws hais.