Ucwaningo olusha lubonisa ukuthi ukuxuba okwenziwayoamaswidinama-carbohydrate ashintsha ukuzwela komuntu ekuthandeni okumnandi, okungase kuthinte ukuzwela kwe-insulin.Ukunambitha akuwona nje umuzwa osivumela ukuthi sijabulele izibiliboco ezinhle - kudlala indima ebonakalayo ekugcineni impilo.Ikhono lethu lokunambitha ukunambitheka okungajabulisi liye lasiza abantu ukuba bagweme izitshalo ezinoshevu nokudla okonakele.Kodwa ukunambitheka kungasiza imizimba yethu ukuthi ihlale inempilo ngezinye izindlela.
Ukuzwela komuntu ophile kahle ekunambithekeni okumnandi kuvumela umzimba wakhe ukuthi ukhiphe i-insulin egazini lapho lowo muntu edla noma ephuza okuthile okumnandi.I-insulin iyi-hormone eyinhloko indima yayo eyinhloko ukulawula ushukela wegazi.
Lapho ukuzwela kwe-insulin kuthinteka, izinkinga eziningi ze-metabolic zingakhula, kuhlanganise nesifo sikashukela.Ucwaningo olusha oluholwa abaphenyi abavela eNyuvesi yaseYale eNew Haven, CT, nezinye izikhungo zemfundo manje seluthole okumangazayo.Ephepheni locwaningo elishicilelwe ku-Cell Metabolism, abacwaningi bakhombisa ukuthi inhlanganisela yokwenziwaamaswidifuthi ama-carbohydrate abonakala eholela ekuzweleni kwe-insulin okuncane kubantu abadala abanempilo."Lapho siqala ukwenza lolu cwaningo, umbuzo owawusiqhubela ukuthi ingabe ukusetshenziswa okuphindaphindiwe kwe-sweetener yokwenziwa kungaholela ekulimazeni ikhono lokubikezela lokunambitheka okumnandi," kuchaza umlobi ophezulu uProf. Dana Small."Lokhu kungaba okubalulekile ngoba umbono wokunambitheka okumnandi ungase ulahlekelwe amandla okulawula izimpendulo ze-metabolic ezilungiselela umzimba ukucubungula i-glucose noma ama-carbohydrate ngokujwayelekile," uyanezela.Ocwaningweni lwabo, abacwaningi baqashe abantu abadala abanempilo abangama-45 abaneminyaka engu-20-45, abathi ngokuvamile babengadli ama-sweeteners anekhalori ephansi.Abacwaningi abazange bafune ukuthi ababambiqhaza benze noma yiziphi izinguquko ekudleni kwabo okujwayelekile ngaphandle kokuphuza iziphuzo eziyisikhombisa ezinokunambitheka kwezithelo elabhorethri.Iziphuzo kungenzeka ukuthi beziqukethe i-sweetener yokwenziwasucralosenoma ushukela wetafula ojwayelekile.Abanye ababambiqhaza - obekufanele benze iqembu lokulawula - babeneziphuzo ezinoshukela we-sucralose futhi eziqukethe i-maltodextrin, okuyi-carbohydrate.Abacwaningi basebenzisa i-maltodextrin ukuze bakwazi ukulawula inani lama-calories kushukela ngaphandle kokwenza isiphuzo sibe mnandi.Lesi sivivinyo sahlala amasonto e-2, futhi abaphenyi benza izivivinyo ezengeziwe - kuhlanganise ne-MRI scans esebenzayo - kubahlanganyeli ngaphambi, ngesikhathi, nangemva kwecala.Ukuhlola kwavumela ososayensi ukuthi bahlole noma yiziphi izinguquko emsebenzini wobuchopho babahlanganyeli ngokusabela ekuthandeni okuhlukile - okuhlanganisa okumnandi, okumuncu, nokusawoti - kanye nokukala umbono wabo wokunambitheka nokuzwela kwe-insulin.Nokho, lapho behlaziya ukwaziswa ababekuqoqile kuze kube manje, abaphenyi bathola imiphumela emangalisayo.Kwakuyiqembu elihlosiwe lokulawula - ababambiqhaza ababedle i-sucralose ne-maltodextrin ndawonye - abanikeze izimpendulo zobuchopho ezishintshiwe ekuthandeni okumnandi, kanye nokushintsha ukuzwela kwe-insulin kanye ne-glucose (ushukela) metabolism.Ukuqinisekisa ukufaneleka kwalokhu okutholakele, abacwaningi bacele elinye iqembu labahlanganyeli ukuthi liphuze iziphuzo eziqukethe i-sucralose iyodwa noma i-maltodextrin iyodwa esikhathini esiyizinsuku eziyi-7.Ithimba lithole ukuthi i-sweetener iyodwa, noma i-carbohydrate iyodwa ibonakala iphazamisa ukuzwela kokunambitheka okumnandi noma ukuzwela kwe-insulin.Pho kwenzekani?Kungani inhlanganisela ye-sweetener-carb ibe nomthelela ekhonweni labahlanganyeli lokubona ukunambitheka okumnandi, kanye nokuzwela kwabo kwe-insulin?“Mhlawumbe umphumela waphumela ekubeni amathumbu akhiqize imiyalezo engalungile okufanele ayithumele ebuchosheni mayelana nenani lama-kilojoule akhona,” kusikisela uProf. Small.“Amathumbu angazwela ku-sucralose kanye ne-maltodextrin futhi abonise ukuthi ama-calories amaningi aphindwe kabili kunalawo akhona ngempela.Ngokuhamba kwesikhathi, le miyalezo engalungile ingaveza imiphumela engemihle ngokushintsha indlela ubuchopho nomzimba osabela ngayo ekunambithekeni okumnandi,” uyanezela.Ephepheni labo lokufunda, abacwaningi baphinde babhekisele ezifundweni zangaphambili zamagundane, lapho abacwaningi baphakela khona iyogathi engenalutho yezilwane ababengeze kuyo okokwenziwa.amaswidi.Lokhu kungenelela, abaphenyi bathi, kuholele emiphumeleni efanayo naleyo abayibona ocwaningweni lwamanje, okubenza bacabange ukuthi inhlanganisela yama-sweeteners nama-carbs avela ku-yoghurt kungenzeka ukuthi kube nesibopho.“Ucwaningo lwangaphambilini lwamagundane luveze ukuthi izinguquko emandleni okusebenzisa ukunambitheka okumnandi ukuqondisa ukuziphatha kungaholela ekungasebenzini kahle kwe-metabolic kanye nesisindo somzimba ngokuhamba kwesikhathi.
Sicabanga ukuthi lokhu kungenxa yokusetshenziswa kwezinto zokwenziwaamaswidingamandla,” kusho uProf. Small.“Esikutholile kusikisela ukuthi kulungile ukudla i-Diet Coke kanye nje, kodwa akufanele uyiphuze nento enama-carbohydrate amaningi.Uma udla ama-French fries, kungcono uphuze i-Coke evamile noma - okungcono - amanzi.Lokhu kuyishintshile indlela engidla ngayo nendlela engiphakela ngayo indodana yami.
Isikhathi sokuthumela: Mar-20-2020