Tsis ntev los no, lub ntsiab lus ntawmaflatoxinCov neeg feem coob txhawj xeeb txog kev loj hlob ntawm cov ncuav mog qab zib khov tom qab khaws cia ntau tshaj ob hnub. Puas muaj kev nyab xeeb rau kev noj cov ncuav mog qab zib khov? Yuav tsum khaws cov ncuav mog qab zib li cas raws li kev tshawb fawb? Thiab peb yuav ua li cas thiaj li tiv thaiv tau qhov kev pheej hmoo ntawm kev raug aflatoxin hauv lub neej txhua hnub? Cov neeg sau xov xwm tau nrhiav kev txheeb xyuas txog cov teeb meem no.
"Cov ncuav mog qab zib uas khov lawm tsis tsim cov tshuaj aflatoxin nyob rau hauv cov xwm txheej ib txwm muaj, vim tias aflatoxin feem ntau yog tsim los ntawm cov pwm xws li Aspergillus flavus hauv qhov kub thiab txias thiab av noo. Qhov chaw khov (kwv yees li -18°C) tsis zoo rau kev loj hlob ntawm cov pwm," Wu Jia, Tus Lwm Tuav Ntaub Ntawv ntawm Lub Chaw Saib Xyuas Kev Noj Qab Haus Huv ntawm Lub Koom Haum Txhawb Kev Noj Qab Haus Huv thiab Kev Kawm ntawm Suav teb tau hais. Yog tias cov ncuav mog qab zib uas twb muaj cov pwm ua ntej khov lawm, cov tshuaj lom ntawm cov pwm yuav tsis raug tshem tawm txawm tias lawv khov lawm. Yog li ntawd, cov ncuav mog qab zib uas khov lawm uas tshiab thiab tsis tau pwm ua ntej khov tuaj yeem noj tau nrog kev ntseeg siab. Yog tias cov ncuav mog qab zib uas khov lawm muaj ntxhiab tsw txawv txawv, hloov xim, lossis qhov chaw txawv txawv tom qab yaj, lawv yuav tsum raug pov tseg kom tsis txhob noj.
Raws li "Kev Noj Haus thiab Kev Huv Huv ntawm Khoom Noj," aflatoxin yog ib qho metabolite tsim los ntawm Aspergillus flavus thiab Aspergillus parasiticus, uas yog cov fungi feem ntau nyob rau hauv cov nplej thiab pub. Hauv Suav teb, Aspergillus parasiticus tsis tshua muaj. Qhov kub thiab txias rau Aspergillus flavus kom loj hlob thiab tsim aflatoxin yog 12 ° C txog 42 ° C, nrog rau qhov kub thiab txias zoo tshaj plaws rau kev tsim aflatoxin yog 25 ° C txog 33 ° C, thiab qhov dej ua haujlwm zoo tshaj plaws yog 0.93 txog 0.98.
Aflatoxin feem ntau yog tsim los ntawm cov pwm hauv qhov chaw sov thiab noo. Kev ceev faj hauv lub neej txhua hnub tuaj yeem txo qhov kev pheej hmoo ntawm kev raug thiab noj aflatoxin. Cov kws tshaj lij pom zoo kom xaiv cov npe nrov thiab cov neeg muag khoom thaum yuav khoom noj kom ntseeg tau tias tshiab thiab muaj kev nyab xeeb. Thaum khaws cia khoom noj, yuav tsum tau them sai sai rau lub sijhawm khaws cia, thiab khoom noj yuav tsum tau khaws cia rau hauv qhov chaw qhuav, cua zoo, thiab tsaus ntuj kom txo qhov muaj peev xwm loj hlob ntawm pwm. Nws yog ib qho tseem ceeb heev uas yuav tsum nco ntsoov tias kev khaws cia khoom noj hauv lub tub yees tsis yog txoj hauv kev zoo, vim tias cov khoom noj muaj lub sijhawm khaws cia zoo tshaj plaws. Thaum lub sijhawm ua zaub mov thiab ua noj, cov khoom noj yuav tsum tau ntxuav kom huv si, thiab yuav tsum tau them sai sai rau cov txheej txheem ua noj.
Tsis tas li ntawd xwb, vim muaj qhov ruaj khov zoo ntawm aflatoxin, nws tsis yooj yim lwj los ntawm kev ua noj thiab cua sov ib txwm muaj. Yuav tsum tsis txhob noj cov khoom noj uas muaj pwm, thiab txawm tias tshem tawm cov khoom uas muaj pwm lawm los xij, lwm yam yuav tsum tsis txhob noj. Tsis tas li ntawd xwb, yuav tsum txhim kho kev paub txog kev nyab xeeb ntawm cov khoom noj, thiab cov khoom siv hauv chav ua noj xws li chopsticks thiab cutboards yuav tsum tau ntxuav sai sai thiab hloov pauv tas li kom tiv thaiv kev loj hlob ntawm pwm thiab cov kab mob.
Hais txog kev khaws cia cov ncuav mog qab zib uas tau muab ncu ua khoom noj, Wu Jia tau hais tias kev khaws cia rau hauv lub tub yees yog qhov kev xaiv zoo tshaj plaws thiab muaj saj zoo tshaj plaws. Txawm li cas los xij, yuav tsum nco ntsoov tias cov ncuav mog qab zib uas tau muab ncu yuav tsum tau kaw rau hauv lub hnab ntim khoom noj lossis lub hnab yas kom tsis txhob raug cua, tiv thaiv kom tsis txhob muaj dej ua pa, thiab tiv thaiv kom tsis txhob muaj ntxhiab tsw phem. Cov ncuav mog qab zib uas tau muab ncu uas tsis muaj pwm tuaj yeem noj tau hauv rau lub hlis yog tias khaws cia rau hauv qhov chaw khov qis dua -18°C. Hauv qhov chaw txias, lawv tuaj yeem khaws cia rau ib mus rau ob hnub tab sis kuj yuav tsum tau kaw kom tsis txhob muaj dej noo.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-19-2024