Ezigulini ezinesifo sikashukela, ushukela uthathelwa indawo yi-fructose, eyi-monosaccharide. Itholakala ngesimo sayo semvelo kumajikijolo, izithelo noju. Uhlobo lwendwangu lwefrijini lwenziwa elabhorethri.
Usebenzisa i-fructose, izitsha zinganikezwa ubumnandi futhi zisetshenziswe esikhundleni sikashukela, okubalulekile koshukela abangakwazi ukusebenzisa ushukela olulula.
Njengengxenye ye-sucrose (ushukela) ilingana ne-fructose noshukela. Ushukela ngemuva kokusetshenziswa kwehlukaniswe lezi zinto ezimbili.
Kamuva, umzimba ufaka lama-carbohydrate ngezindlela ezimbili ezihlukile. Ngomunye, i-insulin kumele ibe khona ukwenza ukungena kwayo kuseli kube lula, indlela yesibili ayihlotshaniswa ne-insulin, nayo edingeka kwabanesifo sikashukela.
Izici zokusebenzisa i-fructose
Kungani i-fructose ingcono kwabanesifo sikashukela? Isimo sinje:
- Ukuze umzimba udonse i-fructose, i-insulin ayidingeki.
- Emzimbeni womuntu, cishe wonke izicubu, ukuze kuthiwe ukhokhiswe amandla, yondla ushukela njengomthombo wawo oyinhloko.
- I-glucose ngesikhathi senqubo ye-oxidation ikhiqiza ama-molecule abaluleke kakhulu womzimba - i-adenosine triphosphates.
- Kepha lokhu akwenzeki njalo. I-Fructose sikashukela isetshenziswa ngumzimba ukunika amandla isidoda.
- Uma le nto ayanele, amadoda anokuzala. Ngalesi sizathu, ubulili obuqine, hhayi bona kuphela, kepha nabesifazane kufanele badle izithelo eziningi, kanye noju nsuku zonke.
Izinqubo ze-metabolic zokuthathwa kwe-fructose ngumzimba womuntu zenziwa esibindini, lapho kwakhiwa khona i-glycogen kusuka ku-fructose. Le nto ingumthombo wamandla oyinhloko, osetshenziswa kamuva ukubuyisela izidingo zomzimba womuntu.
Izinqubo ze-Metabolic
I-metabolabolism isebenza kuphela esibindini, ngenxa yalesi sizathu, uma lesi sitho singenampilo, ochwepheshe baluleka ukuthi banciphise ukusetshenziswa kwe-fructose.
Inqubo yokwakheka kweglucose kusuka ku-fructose esibindini inzima, ngoba amathuba amaseli wesibindi (i-hepatocytes) awanamkhawulo (lokhu kusebenza kumuntu onempilo).
Kodwa-ke, i-fructose iguqulwa kalula i-triglyceride. Lokhu kubonakaliswa okungalungile kungenzeka ngokusetshenziswa ngokweqile kokudla okucebiswe ku-fructose.
Inzuzo elandelayo ye-fructose ukuthi le monosaccharide iwina kakhulu uma uyiqhathanisa noshukela ngobumnandi.
Ukuthola ubumnandi obufanayo, i-fructose izodinga izikhathi ezi-2.
Abanye abantu abasalinciphisi inani le-fructose, elenza umkhuba ukudla ukudla okunambitheka kamnandi. Ngenxa yalokho, okuqukethwe kwe-caloric kwezitsha ezinjalo akwehli, kepha kuyanda.
Lokhu kwenza inzuzo enkulu ye-fructose ukungahambi kahle kwayo, singasho ukuthi kubaluleke kakhulu kwabanesifo sikashukela, esingadala ukubonakala kwesisindo esithe xaxa kanye nezinqubo ezingezinhle ezihambisana nakho kushukela we-mellitus.
Kusungulwe ukuthi ama-caries akhula ngenxa yokusebenza okusebenzayo kwama-microorganisms ayingozi, angenzeki ngaphandle kweglucose.
Ngalesi sizathu, ukwehlisa umthamo we-glucose kunganciphisa ukubola kwamazinyo.
Kuyaziwa ukuthi ngesikhathi sokudla i-fructose, amacala e-caries ehle aye ku-20-30%. Ngaphezu kwalokho, ukwakheka kokuvuvukala emgodini womlomo kuncishisiwe, futhi lokhu kungenxa yokuthi ungadla hhayi ushukela, okungukuthi i-fructose.
Ngakho-ke, ukufakwa kwe-fructose ekudleni kunezinombolo ezimbalwa zezinzuzo, ezibandakanya kuphela ukunciphisa inani le-insulin edingekayo nasekunciphiseni ukuvela kwezinkinga zamazinyo, futhi ukufaka esikhundleni sikashukela sohlobo 2 sikashukela kuvame ukusetshenziswa yiziguli.
Izikhathi ezingezinhle ngokuthatha i-fructose
Iziguli ezinesifo sikashukela akufanele zifake ekudleni kwazo inani elingenamkhawulo lemikhiqizo ye-fructose, ungayidla ngokulinganisela. Lesi sitatimende sivela ezinqubweni ze-metabolic ezenzeka esibindini.
I-phosphorylation ibaluleke kakhulu, ngemuva kwalokho i-fructose ihlukaniswe ama-monosaccharides e-tri-carbon, agcina ephenduka ama-triglycerides namafutha acid.
Nasi isizathu:
- Ukwanda kwezicubu ze-adipose, okuholela ekuthuthukiseni ukukhuluphala.
- Ngaphezu kwalokho, ama-triglycerides akhulisa inani lama-lipoproteins, okubangela i-atherosclerosis.
- Kusungulwe ukuthi i-atherossteosis iholela ezinkingeni ezinjengokushaya kwenhliziyo nokushaywa unhlangothi.
- Kufanele futhi kwaziwe ukuthi isifo sikashukela i-mellitus iba imbangela ye-vasher atherosclerosis.
- Le nqubo ibuye ihambisane nokuvela kwezifo ezinesifo sikashukela, kanye nokuphazamiseka okungenhla.
Ngakho-ke, maqondana nombuzo "kungenzeka ukusebenzisa i-fructose kwabanesifo sikashukela", bese kunakwa kakhulu kamuva nje. Isizathu salesi simo sisekukhohlisweni okubonisiwe kwezinqubo ze-metabolic nakwamanye amaqiniso angathandeki.
Ezigulini ezinesifo sikashukela, i-fructose iguqulwa esikhundleni ngokushesha kube ushukela, odinga ukuthi i-insulin icutshungulwe, kumele yamukelwe kahle amaseli (ngokwesibonelo, esigulini esinesifo sikashukela se-mellitus se-degree yesibili, inqubo yokukhiqizwa kwe-insulin ilungile, kepha kukhona ukuphambuka kuma-receptors, ngakho-ke, i-insulin ayisebenzi inomphumela odingekayo).
Uma kungekho ama-pathologies we-carbohydrate metabolism, khona-ke i-fructose icishe iguqulwe i-glucose. Ngalesi sizathu, abanesifo sikashukela abaphakanyisiwe ukuthi bafake imikhiqizo ye-fructose ekudleni kwabo.
Ngaphezu kwalokho, amaseli angenawo amandla angafaka izicubu ze-adipose. Le nto ihambisana nokuhlaselwa ngamandla kwamandla. Ukuze kubuyiswe izicubu ze-adipose, njengomthetho, kusetshenziswa i-fructose, efakwe ngokudla.
Ukwakheka kwezicubu ze-adipose kusuka ku-fructose kwenziwa ngaphandle kokubakhona kwe-insulin, ngenxa yalokho, inani lezicubu ze-adipose lenyuka kakhulu futhi liba likhulu kunasekuqaleni.
Ochwepheshe bakholelwa ukuthi ukusetshenziswa kweglucose kuyimbangela yokukhuluphala. Umbono onjalo unelungelo lokuba njalo, ngoba ungachazwa yizitatimende ezilandelayo:
- i-fructose inegalelo ekwakhekeni kalula kwezicubu ze-adipose, ngoba le nqubo ayidingi i-insulin;
- kunzima kakhulu ukususa izicubu ze-adipose ezakhiwe ngokudla i-fructose, ngenxa yalesi sizathu izicubu zesiguli se-adipose ezingaphansi zesiguli sizokhula ngaso sonke isikhathi;
- i-fructose ayinikezi umuzwa wokuthamba. Lokhu ngokuyinhloko kuncike enanini likashukela ku-plasma. Ngenxa yalokhu, kwakhelwa umbuthano onesihluku - isiguli sidla ngokwengeziwe ukudla, kepha ngasikhathi sinye sizizwa silamba njalo.
Kumele kukhunjulwe ukuthi ezigulini ezinesifo sikashukela, ukunqwabelana kwamafutha kuba imbangela eyinhloko eholela ekuncipheni kokuzwela kwamaseli we-receptor ukuya ku-insulin.
Ngenxa yalokhu, ukudla i-fructose kufaka ukukhuluphala, okuholela ekwandeni kwenkambo yesifo esinjengesifo sikashukela, kodwa-ke, ukulimala nezinzuzo ze-fructose kusihloko okuxoxwa ngaso njalo.
Izazi ze-gastroenterologists ezivela eMelika zikuveze ukuthi i-fructose kushukela ingadala ukuphazamiseka kwamathumbu emathunjini, futhi ngenxa yalokho, isifo esifana ne-bowel syndrome singaba khona.
Ngalesi sifo, isiguli sikhathazeka ngokuqunjelwa, bese siphatheka kabi. Ngaphezu kwalokho, ngale ndlela yokugula, ubuhlungu esiswini kungenzeka, ukuqhakaza kukhona.
Lokhu kuthinta kabi ukufakwa kwezinto ezikhona zokulandela umkhondo, kunenqubo yokugaya. Ukusetshenziswa kwezinye izivivinyo zesayensi kwenza ukuthi kutholakale ngokusobala ukuxilonga okungaphatheki kahle kwamathumbu.
Ukuxilonga akuchazi noma yikuphi ukuphazamiseka okuphathelene nohlelo lokugaya ukudla.
