Mafuta ena a masamba omwe timawaona kuti ndi gawo la zakudya zopatsa thanzi amawonjezera chiopsezo cha matenda a mtima. Health Canada iyenera kuganiziranso za zakudya zochepetsera cholesterol, malinga ndi Journal of the Canadian Medical Association.
Kuchotsa mafuta odzaza kuchokera ku nyama ndi mafuta a masamba a polyunsaturated kwakhala chizolowezi chifukwa amatha kuchepetsa kuchuluka kwa cholesterol m'magazi ndikuthandizira kupewa matenda a mtima.
Mu 2009, Health Canada Food Administration, itatha kuwunika zomwe zasindikizidwa, idapereka pempho kuchokera kumakampani azakudya kuti athane ndi vuto lochepetsa chiopsezo cha matenda amtima kudzera kutsatsa malonda amafuta a masamba ndi zakudya zomwe zili ndi mafutawa. Chikalatacho tsopano chimati: “Kuchepetsa upandu wa matenda amtima mwa kutsitsa cholesterol m’mwazi.”
"Kuwunika mosamalitsa umboni waposachedwapa, komabe, kumasonyeza kuti ngakhale kuti iwo amanena kuti ali ndi thanzi labwino, mafuta a masamba olemera mu omega-6 linoleic acid koma osauka mu omega-3 α-linolenic acid sangavomereze," Dr. Richard akulemba. Bazinet kuchokera ku Dipatimenti ya Nutritional Sciences ku yunivesite ya Toronto ndi Dr. Michael Chu kuchokera ku Dipatimenti ya Opaleshoni ya Mtima ku Health Research Institute ku London.
Mafuta a chimanga ndi mafuta a safflower, omwe ali ndi omega-6 linoleic acid koma ochepa mu omega-3 α-linolenic acid, sanapezeke kuti apindule ndi thanzi la mtima, malinga ndi zomwe zapeza posachedwa. Olembawo adatchula kafukufuku yemwe adasindikizidwa mu February 2013: "Kusintha mafuta odzaza m'zakudya za gulu lolamulira ndi mafuta a safflower (olemera mu omega-6 linoleic acid koma otsika mu omega-3 α-linoleic acid) adachepetsa kwambiri cholesterol. milingo (anatsika pafupifupi ndi 8% -13%). Komabe, ziŵerengero za anthu amene amafa ndi matenda a mtima ndi mitsempha ya mtima zawonjezeka kwambiri.”
Ku Canada, omega-6 linoleic acid amapezeka m’mafuta a chimanga ndi mpendadzuwa, komanso zakudya monga mayonesi, margarine, tchipisi, ndi mtedza. Mafuta a canola ndi soya, omwe ali ndi linoleic ndi α-linolenic acid, ndi mafuta omwe amapezeka kwambiri muzakudya zaku Canada. “Sizikudziwika ngati mafuta olemera mu omega-6 linoleic acid koma otsika mu omega-3 α-linolenic acid angachepetse chiopsezo cha matenda a mtima. Timakhulupirira kuti zakudya zokhala ndi omega-6 linoleic acid koma osauka mu omega-3 α-linolenic acid ziyenera kuchotsedwa pamndandanda wa cardioprotectors, "olembawo anamaliza.