Amafutha kakhukhunathi: kuhle noma kubi?

Amafutha kakhukhunathi akhuthazwa njengokudla okunempilo. Siyazi ukuthi iqukethe amafutha e-polyunsaturated abalulekile angakhiwanga umzimba womuntu. Okusho ukuthi, zingatholakala ngaphandle kuphela. Amafutha kakhukhunathi angalungisiwe angumthombo walawa ma-fatty acids anenzuzo, ahlanganisa i-lauric, i-oleic, i-stearic, i-caprylic, nokunye okuningi. Uma ishisa, ayikhiphi ama-carcinogens, igcina wonke amavithamini awusizo nama-amino acids, okuvumela ukuthi isetshenziswe kabanzi ekuphekeni.

Kodwa-ke, ososayensi baseMelika bayeluleka ukuyeka ukusetshenziswa kwamafutha kakhukhunathi njenge-analogue kwamanye amafutha emifino namafutha ezilwane. Kuvela ukuthi iqukethe amafutha agcwele cishe aphindwe kasithupha kunamafutha omnqumo. Amafutha asuthi, ngakolunye uhlangothi, abhekwa njengangenampilo ngoba angakhuphula izinga le-cholesterol embi, okwandisa ingozi yesifo senhliziyo.

Ngokwe-athikili eshicilelwe, amafutha kakhukhunathi aqukethe ama-82% agcwele amafutha, kuyilapho isinqumelo sine-39%, amafutha enkomo anama-50%, kanti ibhotela inama-63%.

Ucwaningo olwenziwa ngawo-1950 lwabonisa ukuxhumana phakathi kwamafutha agcwele kanye ne-cholesterol ye-LDL (lokho okubizwa ngokuthi "i-cholesterol embi"). Kungaholela ekuhlulekeni kwegazi futhi kubangele isifo senhliziyo nesifo sohlangothi.

I-HDL-cholesterol, ngakolunye uhlangothi, ivikela isifo senhliziyo. Imunca i-cholesterol bese iyibuyisela esibindini, esiyikhipha emzimbeni. Ukuba namazinga aphezulu e-cholesterol “enhle” kunomphumela ophambene ngokuphelele.

I-AHA incoma ukufaka esikhundleni sokudla okunamafutha agcwele amafutha, okuhlanganisa inyama ebomvu, ukudla okuthosiwe, futhi, maye, amafutha kakhukhunathi, nemithombo yamafutha angenalutho njengamantongomane, ama-legumes, ama-avocados, amafutha emifino angewona ashisayo (umnqumo, i-flaxseed, nabanye) .

Ngokusho kwePublic Health England, indoda eneminyaka ephakathi akufanele idle amagremu angu-30 amafutha agcwele ngosuku, futhi owesifazane akufanele adlule amagremu angu-20. I-AHA incoma ukuthi kuncishiswe amafutha agcwele amafutha abe ngu-5-6% wengqikithi yamakholori, okungamagremu angu-13 okudla kwansuku zonke okungamakhalori angu-2000.

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