Chida chatsopano kwambiri chowotcha mafuta

Ma calorie nthawi zonse amadzudzulidwa chifukwa chopangitsa zovala zathu kukhala zothina komanso zosankha zathu zazakudya mwachangu; akhala adani athu kumalo ochitira masewera olimbitsa thupi. Komabe, sayansi ikhoza kubwezeretsanso mbiri ya ma calories m'tsogolomu. Ofufuza a ku Dana-Farber Cancer Institute ndi yunivesite ya California, Berkeley, awona maselo omwe amatha kutentha ma calories ndi kuwatulutsa ngati kutentha m'malo mowasunga ngati mafuta kuti agwiritsidwe ntchito pambuyo pake.

Enzyme m'maselo a mbewa, PM20D1, pamapeto pake imawunjikana mokwanira kuti ipangitse amino acid, N-acyl, kuti ipangidwe mkati mwa thupi. N-acyl, ikakhalapo mu kagayidwe kachakudya, imafunikira glucose kuti ilowemo, koma sipanga adenosine triphosphate (ATP). ATP nthawi zambiri imasungidwa ngati gwero la chamoyo kupeza mphamvu.

Pankhani ya maselo atsopanowa, kusowa kwa ATP kumabweretsa maselo omwe amafunika kupeza mphamvu mwamsanga kuchokera kuzinthu zina. Maselo a bulauni, kapena ma cell okhala ndi mtundu wakuda chifukwa cha mitochondria yambiri, ndi mitundu yeniyeni ya maselo omwe adakopa chidwi cha asayansi a Dana-Farber ndi UC, Berkeley. Popeza ma cell a bulauniwa alibe ATP, adadziwika chifukwa cha kuthekera kwawo kuwotcha zopatsa mphamvu kuchokera kumafuta poyamba, kuti azitha kupeza mphamvu mwachangu zama metabolism. Pamene mafuta akuwotchedwa, kutentha kumatulutsidwa ngati chinthu chonyansa ndipo sichimasungidwa m'thupi kuti chigwiritsidwe ntchito mtsogolo. Monga maselo a bulauni amafunikira nthawi zonse kupeza mphamvu, koma osapanga ATP, maselo ayenera kudalira mafuta monga njira yoyamba yopezera mphamvu mofulumira. Mafuta akagwiritsidwa ntchito mwachangu, thupi silikhala ndi mwayi wowasunga mtsogolo.

Zimenezo zinkatengera mphamvu zambiri kuti ndifotokoze. Nkhani yabwino ndi yakuti tikhoza kugwirizana nazo m'moyo wathu watsiku ndi tsiku. Tikamadya ndi kugaya pasitala, mwachitsanzo, matupi athu amafunafuna mphamvu kuti tigwiritse ntchito popanga kagayidwe kachakudya. Popeza kuti ma carbohydrate (mu pasitala) ndi osavuta kuti thupi liwonongeke, amakhala njira yabwino komanso yokopa kuti matupi athu apeze mphamvu. Mofananamo, maselo okhala ndi N-acyl amadalira kutentha kwa ma calories kuchokera ku mafuta monga njira yachangu, yothandiza kwambiri yopezera mphamvu pamene ATP palibe.