Abantu abaningi banesikhwama sikasawoti one-iodine ekhishini labo. Abakhiqizi babhala kumaphakheji kasawoti ukuthi umkhiqizo uhlanganiswe ne-iodine. Uyazi ukuthi kungani iodine yengezwa kusawoti? Kukholelwa ukuthi abantu abanayo iodine ekudleni kwabo kwansuku zonke, kodwa
Umlando omncane
I-iodine yaqala ukungezwa kusawoti ngo-1924 e-United States, ngenxa yokuthi amacala e-goiter (isifo se-thyroid) aqala ukuvama esifundeni saseGreat Lakes nasePacific Northwest. Lokhu kwakungenxa yokuqukethwe okuphansi kwe-iodine emhlabathini kanye nokungabikho kwayo ekudleni.
Abantu baseMelika bamukela umkhuba waseSwitzerland wokufaka iodine kusawoti wetafula ukuze kuxazululwe inkinga. Ngokushesha, amacala e-thyroid ayancipha futhi umkhuba waba indinganiso.
Usawoti usetshenziswa njengokuthwala i-iodine ngoba kuyindlela elula yokwethula i-micronutrient ekudleni kwakho kwansuku zonke. Usawoti udliwa yiwo wonke umuntu futhi njalo. Ngisho nokudla kwezilwane ezifuywayo kwaqala ukufaka usawoti one-iodized.
Uyini usawoti oyingozi nge-iodine?
Lokhu sekushintshile kusukela ngeminyaka yawo-20s ngenxa yokukhiqizwa kwamakhemikhali anobuthi nezindlela ezingabizi kakhulu zokuqoqa usawoti. Ezikhathini zangaphambili, usawoti omningi wawumbiwa olwandle noma ezindaweni ezingokwemvelo. Manje usawoti owenziwe nge-iodized awuyona into engokwemvelo, kodwa i-sodium chloride eyenziwe ngokwenziwa ngokufakwa kwe-iodide.
I-synthetic additive iodide ikhona cishe kukho konke ukudla okugayiwe - ukudla okugayiwe kanye nokudla kwendawo yokudlela. Kungaba i-sodium fluoride, i-potassium iodide - izinto ezinobuthi. Uma kucatshangelwa ukuthi usawoti wetafula nawo ufakwe i-bleach, awukwazi ukubhekwa njengomthombo onempilo we-iodine.
Kodwa-ke, iodine iyadingeka ngempela ukuze indlala yegilo ikhiqize i-thyroxine ne-triiodothyronine, amahomoni amabili ayisihluthulelo semetabolism. Noma yiluphi uhlobo lwe-iodine lunomthelela ekukhiqizweni kwamahomoni egilo i-T4 ne-T3.
Ucwaningo olwenziwa eNyuvesi yaseTexas e-Arlington luthi usawoti onjalo awukuvimbi ukuntuleka kwe-iodine. Ososayensi babuyekeze izinhlobo ezingaphezu kuka-80 zikasawoti othengiswayo futhi bathola ukuthi ezingu-47 zazo (ezingaphezu kwesigamu!) azizange zihlangabezane nezindinganiso zase-US zamazinga e-iodine. Ngaphezu kwalokho, lapho igcinwe ngaphansi kwezimo ezinomswakama, okuqukethwe kwe-iodine emikhiqizweni enjalo kuyehla. Isiphetho: Amaphesenti angama-20 kuphela ohlu lukasawoti one-iodine angathathwa njengomthombo wokudla kwansuku zonke we-iodine.