Formaldehyde: nws yog dab tsi thiab vim li cas nws tsis zoo rau koj kev noj qab haus huv
Zoo Siab
- Kev noj qab haus huv ntawm formaldehyde
- Puas yog cov kev siv cov formaldehyde ua rau mob qog nqaij hlav?
- Cov tsos mob ntawm formaldehyde intoxication
Formaldehyde yog ib hom tshuaj uas muaj ntxhiab tsw ntxhiab uas ua rau ua xua, txob taus thiab qaug cawv thaum ib tug neeg chwv los sis nqus tau cov pa ntshav ntau dua cov uas tau qhia los ntawm ANVISA. Cov khoom siv no tau siv dav hauv cov khoom siv tshuaj pleev ib ce, feem ntau hauv cov plaub hau ncaj cov khoom lag luam thiab cov ntsia thawv ntsia hlau, txawm li cas los xij nyob rau xyoo 2009 ANVISA tau txiav txim siab tias formaldehyde tsuas yog siv cov tshuaj lom neeg me me hauv cov khoom siv tshuaj pleev ib ce vim muaj kev puas tsuaj rau lub cev.
Qhov kev ntsuas no yog vim muaj ntau qhov tshwm sim ntawm nws siv tau qhia, xws li plaub hau plob hau, kub taub hau, kho qhov muag thiab intoxication. Tsis tas li ntawd, formaldehyde thiab nws cov keeb kwm yav dhau los, tuaj yeem ua rau muaj kev hloov pauv hauv cov khoom siv caj ces, DNA, nce kev pheej hmoo ntawm kev tsim qog thiab ua rau cov tsos mob qog nqaij hlav ntawm lub qhov ncauj, lub qhov ntswg thiab ntshav, piv txwv.
Ntxiv rau kev siv hauv cov khoom siv kho kom zoo nkauj, kev siv formaldehyde yog siv hauv chav kuaj kom pom cov tsiaj ntawm cov tsiaj lossis qhov chaw ntawm lub cev, qhov kev siv no tau raug tso cai los ntawm ANVISA, tsuav yog tib neeg muaj kev tiv thaiv zoo nrog kev siv tsom iav, ntsej muag, hnab looj tes thiab tsho tshaj sab kom tsis txhob tiv tauj nrog cov quav yeeb tshuaj.
Kev txuag tsiaj hauv formaldehyde
Kev noj qab haus huv ntawm formaldehyde
Kev siv formaldehyde nquag lossis kev sib cuag lossis nqus cov pa loj ntawm cov khoom no ua rau muaj kev phom sij txog kev noj qab haus huv vim tias formaldehyde muaj peev xwm ua rau kev hloov caj ces thiab, yog li, cuam tshuam hauv ntau cov txheej txheem ntawm cov metabolism hauv lub cev, ntxiv rau qhov muaj peev xwm txo qis txoj haujlwm ntawm qee qhov kabmob hauv nruab nrab thiab luv luv.
Yog li, kev tiv toj lossis nqus tau cov tshuaj formaldehyde tuaj yeem cuam tshuam nrog ntau yam mob kev noj qab haus huv, tshwj xeeb yog hais txog kev tsim mob qog noj ntshav. Ib qho ntxiv, nyob ntawm seb muaj kev sib cuag nrog formaldehyde li cas, tej zaum yuav muaj ntau qhov kev phom sij txog kev noj qab haus huv, xws li:
- Hloov pauv ntawm txoj hlab ua pa, nrog mob ntsws, mob ntsws lossis mob ntsws;
- Hloov pauv ntawm daim tawv nqaij, uas tuaj yeem ua rau daim tawv nqaij mob, mob txhab thiab ua haujlwm hauv zos necrosis;
- Cov plaub hau plob hau thiab kub taub hau hlawv;
- Intoxication, uas tuaj yeem ua rau tuag taus yog tias cov txheej txheem ua ke tsis haum siab siab uas nws tau ntsib nrog nws yog qhov siab heev.
Cov kev pheej hmoo ntawm kev siv formaldehyde yog qhov ntau dua rau cov menyuam yaus, vim tias kev hloov caj ces los ntawm formaldehyde tuaj yeem tshwm sim yooj yim dua, yog li, menyuam yaus muaj feem ntau yuav ua mob qog noj ntshav.
Nws yog ib qho tseem ceeb uas yuav tsum tau nco ntsoov tias formaldehyde hauv kev ua kom tau txais kev tso cai los ntawm ANVISA tsis muaj kev ua haujlwm zoo. Yog li, yog tias, thaum txheej txheem plaub hau qhia ncaj qha, muaj tus ntxhiab tsw zoo heev ntawm formaldehyde paub, piv txwv, nws yog ib qho tseem ceeb qhia rau ANVISA lossis Kev Tshuaj Ntsuam Xyuas Kev Noj Qab Haus Huv yog li kev kuaj xyuas tuaj yeem nqa tawm hauv tsev lag luam, raws li cov khoom yuav yog deev luag poj luag txiv.
Puas yog cov kev siv cov formaldehyde ua rau mob qog nqaij hlav?
Lub sijhawm siv ntev thiab txuas ntxiv lossis cuam tshuam rau formaldehyde tuaj yeem ua rau pom kev muaj kabmob kheesxaws, vim tias nws qhov cuam tshuam tau loj zuj zus. Qhov no yog vim tias formaldehyde, nws cov keeb kwm yav dhau los lossis cov tshuaj yeeb yaj kiab uas tuaj yeem tso nws, xws li glyoxylic acid, piv txwv li, tuaj yeem muaj cov txiaj ntsig mutagenic, uas yog, lawv tuaj yeem ua rau muaj kev hloov pauv hauv DNA thiab ua rau muaj kev tsim tawm thiab loj hlob ntawm cov malignant hlwb, uas ua rau hauv kev mob qog Qhov ntswg, qhov ncauj, lub suab nrov thiab ntshav, feem ntau.
Vim nws qhov teeb meem carcinogenic, qhov tsis txaus ntseeg ntawm kev siv formaldehyde nyob rau hauv cov khoom ua kom zoo nkauj tau raug txwv los ntawm ANVISA xyoo 2009. Yog li, nws tsuas yog tso cai los ntawm ANVISA tias formaldehyde yuav siv los ua cov ntsia hlau tawv hauv qhov siab txog li 5% thiab ua ib qho kev tiv thaiv hauv qhov kev kub siab txog 0.2%, thiab kev ntxias ntawm formaldehyde hauv cov khw txiav kev zoo nkauj thiab ntxiv rau formaldehyde rau cov khoom tso npe los ntawm ANVISA yog txwv tsis pub, vim lawv twb tau txais kev pom zoo formaldehyde concentration.
Cov tsos mob ntawm formaldehyde intoxication
Nquag raug lossis ntau ntau ntawm formaldehyde tuaj yeem ua rau voos thiab ua rau qhov pib ntawm kev tshwm sim thiab cov tsos mob ntawm intoxication, lub ntsiab yog:
- Tawv tawv nqaij, uas tuaj yeem pom los ntawm liab, mob, kub hnyiab thiab tev;
- Qhov muag tsis hnov tsw, nrog kev sib zog ntau dhau ntawm lub qhov muag, pom kev mob thiab qhov muag plooj;
- Kev ua pa ntawm lub cev ua pa, uas tuaj yeem ua rau mob ntsws, mob voos rau ntawm qhov ntswg;
- Tsawg tus kab mob ua pa;
- Mob taub hau;
- Poob ntawm cov plaub hau;
- Hnov mob;
- Zawv plab;
- Hnoos;
- Lub siab ua haujlwm thaum muaj kev tiv tauj ntev.
Hais txog cov khw txiav khoom noj khoom haus zoo nkauj, cov kws tshaj lij thiab cov neeg siv cov plaub hau siv cov plaub hau ncaj cov plaub hau feem ntau muaj cov tshuaj tiv thaiv cuam tshuam nrog kev cuam tshuam nrog cov tshuaj, ntxiv rau qhov muaj feem ntau yuav mob qog nqaij hlav cancer. Yog li, nws yog qhov tseem ceeb kom tsis txhob siv cov formaldehyde thiab nrhiav lwm txoj hauv kev rau cov txheej txheem no. Ntawm no yog yuav ua li cas ncaj koj cov plaub hau.