Ii-oxalates zilungile kubantu abaninzi, kodwa abantu abanengxaki yokusebenza kwamathumbu basenokufuna ukunciphisa ukutya kwabo. Uphando alubonisi ukuba ii-oxalates zibangela i-autism okanye iintlungu ezingapheliyo zesini, kodwa zinokunyusa umngcipheko wamatye ezintso kwabanye abantu.
I-oxalic acid yikhompawundi yendalo efumaneka kwizityalo ezininzi, kuquka imifuno, iziqhamo, ikhokho, amantongomane kunye nembewu (1).
Kwizityalo, idla ngokudibana neeminerali ukwenza ii-oxalates. Amagama athi “i-oxalic acid” kunye nelithi “i-oxalate” asetyenziswa ngokutshintshana kwisayensi yesondlo.
Umzimba wakho unokuvelisa ii-oxalates ngokwawo okanye uzifumane ekutyeni. I-Vitamin C inokuguqulwa ibe yi-oxalate ngokusebenzisa imetabolism (2).
Xa zityiwe, ii-oxalates zinokudibana neeminerali ukwenza iikhompawundi eziquka i-calcium oxalate kunye ne-iron oxalate. Zifumaneka ikakhulu kumathumbu amakhulu, kodwa zikwafumaneka nakwizintso nakwezinye iindawo zomchamo.
Nangona kunjalo, kubantu abanobuthathaka, ukutya ukutya okune-oxalates eninzi kunokunyusa umngcipheko wamatye ezintso kunye nezinye iingxaki zempilo.
I-Oxalate yi-organic acid efumaneka kwizityalo, kodwa inokwenziwa ngumzimba. Ibopha kwiiminerali kwaye inxulunyaniswa nokwenziwa kwamatye ezintso kunye nezinye iingxaki zempilo.
Enye yezona zinto zixhalabisayo kwimpilo ezinxulumene nee-oxalates kukuba zinokubophelela kwiiminerali emathunjini kwaye zithintele ukuba zingafunxwa ngumzimba.
Umzekelo, ispinatshi ityebile kwi-calcium kunye ne-oxalates, ezithintela umzimba ekufunxeni i-calcium eninzi (4).
Nangona kunjalo, kubalulekile ukukhumbula ukuba zimbalwa iiminerali ekutyeni ezibopha kwi-oxalates.
Nangona ukufunxwa kwekhalsiyam kwispinatshi kunciphile, ukusebenzisa ubisi kunye nespinatshi kunye akuchaphazeli ukufunxwa kwekhalsiyam kubisi (4).
Ii-oxalates zinokubophelela kwiiminerali emathunjini kwaye ziphazamise ukufunxwa kwezinye zazo, ingakumbi xa zidityaniswe nefayibha.
Ngokwesiqhelo, i-calcium kunye ne-oxalate encinci zifumaneka kunye kwindlela yomchamo, kodwa zihlala zinyibilika kwaye azibangeli ngxaki.
Nangona kunjalo, ngamanye amaxesha ziyadibana ukuze zenze iikristale. Kwabanye abantu, ezi kristale zinokubangela ukwakheka kwamatye, ingakumbi ukuba amanqanaba e-oxalate aphezulu kwaye ukuphuma komchamo kuphantsi (1).
Amatye amancinci adla ngokungabangeli ngxaki, kodwa amatye amakhulu anokubangela iintlungu eziqatha, isicaphucaphu, kunye negazi kumchamo njengoko edlula kwi-urethra.
Ngoko ke, abantu abanembali yamatye ezintso banokucetyiswa ukuba banciphise ukutya ukutya okune-oxalates eninzi (7, 8).
Nangona kunjalo, ukunqunyanyiswa okupheleleyo kwe-oxalate akusacetyiswa kubo bonke abaguli abanamatye ezintso. Oku kungenxa yokuba isiqingatha se-oxalate esifumaneka kumchamo siveliswa ngumzimba endaweni yokufunxwa kukutya (8, 9).
Uninzi lweengcali ze-urologist ngoku zinika ukutya okungqongqo okune-oxalate ephantsi (ngaphantsi kwe-100 mg ngosuku) kuphela kwizigulana ezine-oxalate ephezulu yomchamo (10, 11).
Kungoko ke, kubalulekile ukuvavanya amaxesha ngamaxesha ukuze kubonwe ukuba kufuneka uthintelwe kangakanani.
Ukutya okune-oxalates eninzi kunokunyusa umngcipheko wamatye ezintso kubantu abasengozini. Iingcebiso zokunciphisa ukutya i-oxalate zisekelwe kumanqanaba e-oxalate kumchamo.
Abanye bathi ii-oxalates zinokunxulunyaniswa ne-vulvodynia, ebonakaliswa yintlungu engapheliyo, engachazwanga yesini.
Ngokusekelwe kwiziphumo zophando, abaphandi bakholelwa ukuba zombini ezi meko akunakwenzeka ukuba zibangelwe zii-oxalates zokutya (12, 13, 14).
Nangona kunjalo, kuphando olwenziwe ngo-1997 apho abafazi abangama-59 abane-vulvodynia banyangwa ngokutya okune-oxalate ephantsi kunye nezongezo ze-calcium, phantse ikota yafumana ukuphucuka kweempawu (14).
Ababhali bophando bagqibe kwelokuba ii-oxalates zokutya zinokuba mandundu kunokuba zibangele esi sifo.
Ezinye iimbali ezikwi-intanethi zidibanisa ii-oxalates ne-autism okanye i-vulvodynia, kodwa zimbalwa izifundo ezihlolisise unxibelelwano olunokwenzeka. Kufuneka uphando olongezelelekileyo.
Abanye abantu bakholelwa ukuba ukutya ukutya okune-oxalates eninzi kunokubangela i-autism okanye i-vulvodynia, kodwa uphando lwangoku aluxhasi la mabango.
Abanye abaxhasi bokutya okune-oxalate ephantsi bathi kungcono ukuba abantu bakuphephe ukutya okutyebileyo kwi-oxalates kuba kunokuba nemiphumo emibi empilweni.
Nangona kunjalo, yonke into ayilula kangako. Uninzi lwezi zinto zokutya zisempilweni kwaye ziqulathe ii-antioxidants ezibalulekileyo, ifayibha, kunye nezinye izondlo.
Ukutya okuninzi okune-oxalates kunencasa kwaye kunempilo. Kubantu abaninzi, ukuziphepha akufuneki kwaye kunokuba yingozi.
Ezinye ze-oxalates ozityayo ziqhekeka ziibhaktheriya emathunjini akho ngaphambi kokuba zidityaniswe neeminerali.
Enye yezi ntsholongwane, i-Oxalobacterium oxytogenes, isebenzisa i-oxalate njengomthombo wamandla. Oku kunciphisa kakhulu ubungakanani be-oxalate efunxwa ngumzimba (15).
Nangona kunjalo, abanye abantu abanazo ezi bhaktheriya zingako emathunjini abo kuba ii-antibiotics zinciphisa inani leekoloni ze-O. formigenes (16).
Ukongeza, uphando lubonise ukuba abantu abanesifo samathumbu esidumbayo banomngcipheko omkhulu wokufumana amatye ezintso (17, 18).
Ngokufanayo, amanqanaba aphezulu e-oxalate afunyenwe kumchamo wabantu abaye benza utyando lwe-gastric bypass okanye ezinye iinkqubo ezitshintsha ukusebenza kwamathumbu (19).
Oku kuthetha ukuba abantu abasebenzisa amayeza okubulala iintsholongwane okanye abanengxaki yokungasebenzi kakuhle kwamathumbu banokungenelwa ngakumbi kukutya okune-oxalate encinci.
Uninzi lwabantu abasempilweni banokutya ukutya okutyebileyo kwi-oxalates ngaphandle kweengxaki, kodwa abantu abangasebenzi kakuhle kwamathumbu banokufuna ukunciphisa ukutya kwabo.
Ii-oxalates zifumaneka phantse kuzo zonke izityalo, kodwa ezinye ziqulathe ubungakanani obukhulu kakhulu kwaye ezinye ziqulathe ubungakanani obuncinci kakhulu (20).
Ubungakanani bokutya okuphakelwayo bunokwahluka, nto leyo ethetha ukuba ukutya "okune-oxalate eninzi", okufana ne-chicory, kunokuthathwa njenge-oxalate ephantsi ukuba ubungakanani bokutya buncinci ngokwaneleyo. Nalu uluhlu lokutya okune-oxalates eninzi (ngaphezulu kwe-50 mg kwi-100-gram nganye) (21, 22, 23, 24, 25):
Ubungakanani be-oxalate kwizityalo buqala phezulu kakhulu ukuya kutsho phantsi kakhulu. Ukutya okuqulethe ngaphezulu kwe-50 milligrams ye-oxalates kwisabelo ngasinye kuhlelwa njenge-"high oxalate."
Abantu abatya ukutya okungenazo i-oxalate eninzi ngenxa yamatye ezintso badla ngokucelwa ukuba batye ngaphantsi kwe-50 milligrams ye-oxalate ngosuku.
Ukutya okunesondlo nokulinganayo kunokufezekiswa ngomthamo wemihla ngemihla we-oxalate ongaphantsi kwe-50 mg. I-calcium ikwanceda ekunciphiseni ukufunxwa kwe-oxalates.
Nangona kunjalo, abantu abasempilweni abafuna ukuhlala besempilweni akufuneki baphephe ukutya okunezakha-mzimba ezininzi kuba nje benokutya okuninzi okune-oxalates.
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