Iodine ke setsiana sa 'mele seo' mele oa hao o lokelang ho se etsa lihomone tsa qoqotho tse bitsoang thyroxine (T4) le triiodothyronine (T3). Li-hormone tsena lia hlokahala bakeng sa ho laola 'mele oa hao ho hōla, tsoelo-pele, metabolism le mocheso oa' mele.
Boholo ba iodine bo mmeleng oa hau bo fumanoa mokokotlong oa qoqotho, empa tse ling li fumanoa maling le mesifa. 'Me le hoja mesebetsi e ka sehloohong e amana le lihomone tsa qoqotho, iodine e ka' na ea e-ba ea bohlokoa bakeng sa bophelo bo botle ba masea le mokhoa o tloaelehileng oa ho itšireletsa mafung.
Lijo tsa litšupiso tsa lijo li behiloe ke Lefapha la Bophelo le Bongaka la National Academy of Sciences, Engineering le Medicine. Litlhahiso tsena li thehiloe ho lilemo tse kholo 'me li emela palo eo ho nahanoang hore e hlokahala ho motho ea phetseng hantle. Basali ba nang le moimana kapa ba anyesang ba hloka iodine e eketsehileng.
Dietary Reference Intakes
Lilemo tse 1 ho isa ho tse 8: micrograms tse 90 ka letsatsi
Lilemo tse 9 ho isa ho tse 13: micrograms tse 120 ka letsatsi
Lilemo tse 14+: 150 micrograms ka letsatsi
Basali ba nang le moimana: micrograms 220 ka letsatsi
Basali ba anyesang: li-microgram tse 290 ka letsatsi
Hangata iodine e fumanoa lijong tsa leoatleng, letsoai la iodised, le ka tekanyo e fokolang ka lihlahisoa tsa lebese, litholoana le meroho. Iodine e ka ba chefo ka bongata (hoo e ka bang li-microgramme tse 1 000 ka letsatsi). Ho sebelisa iodine e ngata haholo ho ka sithabetsa mosebetsi oa qoqotho.
Ho haella ha Iodine
Bothata bo ka baka boemo ba qoqotho bo bitsoang goiter. Hormone e bitsoang qoqotho e susumetsang hormone e eketsa bokhoni ba qoqotho ea ho nka iodine 'me e etsa hore lihomone tsa qoqotho li hlahise le ho lokolloa T3 le T4.
Ho haelloa ha iodine ho boloka litekanyetso tsa thyroid li etsa hore hormone e phahame haholo 'me e etsa hore ho be le pheko.
Goiter e ne e tloaelehile libakeng tse bohareng tsa United States mathoasong a lekholo la bo20 la lilemo kaha mobu o ne o se na iodine (limela tse hōlileng libakeng tse lebōpong la leoatle li na le iodine e nyane mobung). Ho eketsa iodine ho noa letsoai ka katleho ho felisa khaello ea iodine.
Toxicity ea iodine
Ho ja ka bongata haholo ha iodine ho ka baka matšoao a tšoanang le ho haella ha iodine le hypothyroidism ho batho ba bang. Haeba u e-na le maemo a bophelo bo botle, u lokela ho bua le mofani oa tlhokomelo ea bophelo mabapi le phepo ea hau ea iodine.
Setsi sa Meriana se behile meeli e tlamelleha ea pheko ea iodine ka li-micrograms tse 1,100 ka letsatsi bakeng sa batho ba baholo. Moeli o ka khonehang o ka holimo ke chelete e kholo ka ho fetisisa eo ho tsejoang hore e sireletsehile ho motho ea phelang hantle ea phetseng hantle letsatsi le leng le le leng. Batho ba nang le maemo a qoqotho ba ka 'na ba ba le meeli e ka tlaase e mamelloang' me ba lokela ho bua le ngaka.
Lisebelisoa:
Gropper SS, Smith JL, Groff JL. "Phepo e nepahetseng le Metabolism ea Batho." Khatiso ea Botšelela. Belmont, CA Khamphani ea Wadsworth Publishing, 2013.
Bophelo bo botle le Meriana ea Bongaka ea Likolo tsa Sechaba tsa Sciences, Boenjiniere le Meriana. "Dietary Reference Intakes Tables le Tlhahlobo." http://www.nationalacademies.org/hmd/activities/nutrition/summarydris/dri-tables.aspx.
Mekhatlo ea Sechaba ea Bophelo bo Botle ba Lijo. "Iodine - Health Professional Factsheet." http://ods.od.nih.gov/factsheets/Iodine-HealthProfessional/.