Funso: Ndimasangalala ndi ma galasi a veggie a burger amene ndimagula ku sitolo, koma tsiku lina mzimayi anandiuza kuti ali ndi hexane. Hexane zimveka zoipa; ndi chiyani? Kodi burgers ya veggie ili ndi hexane ndipo kodi izi zikutanthauza kuti sindiyenera kuzidya?
Yankho: Veggie burgers alibebe hexane. Ndipotu, angagwiritsidwe ntchito ngati mapuloteni abwino omwe amachokera ku zamasamba.
Mmene Hexane Imagwiritsidwira Ntchito M'ntchito Yodyera
United States Chakudya ndi Drug Administration (FDA) sichifuna zakudya kuti ziyesedwe mazinga a hexane - mwinamwake chifukwa mwayi umene mungapezeke nawo ku chakudya chokwanira ndi wovuta kwambiri. Mwinanso mumakhala ndi mpweya wambiri, kuyanika kupuma, komanso kusungunula zowonjezera kuposa momwe mumadya.
Hexane ndi zosungunulira zopangidwa ndi mafuta osakaniza. Mu mafakitale a zakudya, hexane imagwiritsidwa ntchito pochotsa mafuta a masamba a mbewu monga canola , soya, mpendadzuwa, ndi chimanga chifukwa zimakhala zosavuta komanso zotsika mtengo kusiyana ndi kutulutsa mafuta ndi makina osindikizira. The hexane imachotsedwa mafuta asanaikidwe ndi kugulitsidwa, koma nthawi zonse zimakhala zotsala za hexane kuti zisiye mu mafuta.
The FDA sanakhazikitse malire pa zitsamba hexane mu zakudya. Komabe, yakhazikitsa malire okhutira m'magawo ndikuphika mapuloteni a chakudya.
Popeza sizomwe zakudya zimayesedwa, zimakhala zovuta kudziwa momwe hexane ingakhalire ndi zakudya zomwe mumagula. Zidziwikiratu kuti hexane yokhala ndi zakudya zambiri zingayambitse vuto ngakhale kuti kafukufuku wamakono akusonyeza kuti zingatengere kukula kwa hexane kuposa zomwe zikupezeka mu zakudya.
Bungwe la Cornucopia Institute, bungwe lomwe linakhazikitsidwa kuti liwathandize ulimi wamakono ndi wazing'ono, akuti zakudya za soya monga veggie-burgers ndi zakudya zina zowonjezera zingathe kuwonongedwa ndi hexane. Iwo amalingalira zochepa pa phunziro laling'ono ku Switzerland lomwe linayang'ana (mwa zina) mahekitala a hexane mu mafuta ophikira ku Switzerland.
Mafuta onse omwe analipo oposa mamilikeli 0,1 pa kilogalamu ya mafuta ndi 88 peresenti analibe zochitika za hexane konse. Sukuluyo idatumizanso chitsanzo chimodzi cha chakudya cha soya ndi grits kwa a FDA kuti ayesedwe. Zitsanzozo zinali ndi zatsalira za hexane (magawo 21 ndi 14 pa milioni), zomwezo zikufanana ndi malire omwe amawotchedwa ndi FDA. Popeza zakudya zambiri zamasamba ndi zakudya zopatsa thanzi zimagwiritsa ntchito mapuloteni a soy monga chogwiritsira ntchito, chiopsezo chasukulu chomwe sichidothi kapena chamagazi chamagulu a zakudya zimenezi chikhoza kuipitsidwa ndi hexane.
Hexane Toxicity
Hexane ndi poizoni, ndipo kuwonetseka kwa kuchuluka kwa izo kungayambitse matenda a ubongo. Koma sizichokera ku chakudya. Kuwonetsa kwa Hexane kungakhale kochitika kwa anthu omwe amagwira ntchito zopangira mafuta ndi malo ena komwe hexane angakhoze kuthawira mlengalenga. Kafukufuku wamakono omwe akutsutsana ndi mafakitale ndi maulendo apakati pa hexane, kotero sizikudziwika kuti kuchuluka kwa hexane kuchokera ku zakudya kungakhale koopsa.
EPA yanena kuti kudyetsa makilogalamu oposa 0.06 haxani pa kilogalamu ya kulemera kwa thupi mwina kotetezedwa. Munthu wokwana mapaundi zana (97.7 kilograms), omwewo angakhale pafupifupi 5,8 milligrams patsiku. Chakudya choyenera, ngakhale chimodzi chokhala ndi mafuta ochuluka a hexane-omwe amachokera, sichidzatha kwambiri. Mwachitsanzo, mafuta omwe amaphunzira ku Swiss ndi hexane kwambiri ali ndi 0.13-milligram hexane pa kilogalamu ya mafuta, choncho munthu wokwana mapaundi 200 ayenera kudya mafuta oposa makilogalamu 40 a mafutawa mpaka kufika pafupi ndi 5.8 milligrams hexane.
Kodi n'zovuta kupewa hexane? Mafuta ambiri a hexane amabwera mumlengalenga, komabe, ngati mukufuna kuchotsa zitsamba za hexane kuchokera ku zakudya zanu, mungasankhe zakudya zomwe zili "100 peresenti ya organic" ndi mafuta omwe amawatsitsa m'malo mosungunula.
Kugulitsa katundu sikumagwira ntchito bwino ngati kuwonjezera kwa hexane kotero kuti mafuta opangidwa motere adzakhala okwera mtengo. Kumbukirani kuti malemba omwe amanena kuti mankhwalawa amapangidwanso ndi zinthu zopangidwa pogwiritsa ntchito mankhwala akhoza kugwiritsa ntchito zopangira zomwe zapezeka pa hexane.
Zotsatira:
Ofesi ya Zowononga Zachilengedwe ndi Zolemba Zachilombo. "ToxFAQs for n-Hexane." http://www.atsdr.cdc.gov/tfacts113.html
Kantons Laboratorium. "Mafuta a Zamasamba / Mafuta a Mafuta, Mafuta a Hexane, Malingaliro, Mankhwala Osokoneza Bongo (Mafuta Okhaokha Ophikira Okha)." Inapezeka pa March 6, 2016. http://www.labor.bs.ch/files/berichte/Report0424.pdf
> United States Environmental Protection Agency. "Hexane." http://www.epa.gov/ttn/atw/hlthef/hexane.html