Chlormequat inozivikanwa kwazvochirimwa kukura regulatorinoshandiswa kusimbisa chimiro chezvirimwa uye kufambisa kukohwa. Asi kemikari parizvino yave kuongororwa kutsva muindasitiri yechikafu yeUS zvichitevera kuwanikwa kwayo kusingatarisirwi uye kwakapararira muUS oat stocks. Kunyangwe chirimwa ichi chichirambidzwa kudyiwa muUnited States, chlormequat yakawanikwa mune akati wandei oat zvigadzirwa zvinowanikwa kutengwa munyika yose.
Kuwanda kwechlormequat kwakaratidzwa zvakanyanya kuburikidza nekutsvagisa uye kuferefeta kwakaitwa neEnvironmental Working Group (EWG), iyo, muongororo ichangoburwa yakaburitswa muJournal of Exposure Science uye Environmental Epidemiology, yakaona kuti muzviitiko zvishanu chlormequat yakaonekwa mumasampuli weti yevana vavo. vatori vechikamu vana. .
Alexis Temkin, mazvikokota wechepfu weEnvironmental Working Group, akataura kunetseka pamusoro pemigumisiro youtano inogona kukonzerwa nechlormequat, achiti: “Kushandiswa kwakapararira kwomushonga unouraya zvipembenene usina kunyatsodzidzwa muvanhu kunoita kuti zviome kutarisira. munhu wose anotoziva kuti akadyiwa.”
Kuwanikwa kwekuti mazinga echlormequat muzvokudya zvechikafu anotangira pakusaonekwa kusvika pa291 μg/kg kwamutsa gakava pamusoro pezvingangoitika zvehutano kune vatengi, kunyanya sezvo chlormequat yakabatana nemhedzisiro yekubereka uye yakashata yekubereka muzvidzidzo zvemhuka. kune matambudziko nekukura kwe fetus.
Kunyangwe chinzvimbo cheUS Environmental Protection Agency's (EPA) chiri chekuti chlormequat inoisa njodzi yakaderera kana ikashandiswa sezvakurudzirwa, kuvepo kwayo muzvigadzirwa zveoat zvakakurumbira seCheerios neQuaker Oats zvine chekuita nazvo. Mamiriro ezvinhu aya anoda nekuchimbidza nzira yakaomesesa uye yakazara yekutarisa kuwanikwa kwechikafu, pamwe neyakadzama toxicological uye epidemiological zvidzidzo zvekunyatso ongorora njodzi dzinogona kuitika pahutano dzine chekuita nekuratidzwa kwechlormequat.
Dambudziko guru riri mumaitiro ekudzora uye kutariswa kwekushandiswa kwezvinodzora kukura nemishonga yezvipembenene mukugadzira zvirimwa. Kuwanikwa kwechlormequat mumidziyo yemumba oat (zvisinei nekurambidzwa kwayo) kunoratidza kukanganisa kwemaitiro emazuva ano ekutonga uye kunongedza kukosha kwekutevedzwa kwemitemo iripo uye pamwe kuvandudzwa kwemitemo mitsva yehutano hweveruzhinji.
Temkin akasimbisa kukosha kwemitemo, achiti, "Hurumende yemubatanidzwa inoita basa rakakosha mukuona kutariswa kwakanaka, kutsvagisa, uye kudzorwa kwemishonga yezvipembenene. Asi Environmental Protection Agency inoramba ichisiya basa rayo rekudzivirira vana kubva kumakemikari ari muchikafu chavo. Basa rengozi inogona kuitika." njodzi dzehutano kubva kumakemikari ane chepfu akadai sechlormequat. "
Mamiriro ezvinhu aya anoratidzawo kukosha kwekuziva kwevatengi uye basa raanoita mukukurudzira hutano hwevanhu. Vatengi vane ruzivo vane hanya nezve njodzi dzinogona kuitika dzehutano dzine chekuita nechlormequat vari kuramba vachitendeukira kune organic oat zvigadzirwa senzira yekudzikisira kuratidzwa kune izvi uye mamwe makemikari ane hanya. Shanduko iyi haingoratidzi maitiro ekuita zvehutano, asi zvakare inoratidza kudiwa kwakakura kwekujeka uye kuchengetedzeka mukuita kwekugadzira chikafu.
Kuwanikwa kwechlormequat muUS oat kupihwa inyaya ine mativi mazhinji inotenderera nzvimbo dzekutonga, hutano hweveruzhinji, uye kuchengetedza kwevatengi. Kugadzirisa dambudziko iri nemazvo kunoda kushanda pamwe pakati pemapazi ehurumende, bazi rezvekurima uye veruzhinji kuti vaone kuti chikafu chinowanikwa pasina njodzi uye chisina utachiona.
Muna Kubvumbi 2023, mukupindura chikumbiro cha2019 chakamhan'arwa nemugadziri wechlormequat Taminco, Biden's Environmental Protection Agency yakurudzira kubvumira chlormequat kushandiswa muUS bhari, oats, triticale uye gorosi kekutanga, asi EWG yakapokana nechirongwa ichi. Mitemo yakarongwa haisati yapera.
Sezvo tsvagiridzo ichienderera mberi ichiburitsa mhedzisiro inogona kuitika yechlormequat nemamwe makemikari akafanana, kuvandudzwa kwemaitiro akazara ekuchengetedza hutano hwevatengi pasina kukanganisa kutendeseka uye kusimba kwemaitiro ekugadzira chikafu kunofanirwa kuve kwekutanga.
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Nguva yekutumira: Aug-28-2024