Hangata re utloa joale "lihlahisoa tsa li-trans e mpe", 'me ha ho ntse ho le' nete hore boholo ba li-transat lijong tsa rona matsatsing ana li na le liphello tse mpe tsa bophelo bo botle, ha e le hantle ke ho fetela holimo. Ntho e bonolo, empa e nepahetseng, ntho eo re lokelang ho e bua ke hore mafura a mangata a hydrogenated a le mpe ho rona. "Lihlahisoa tsa li-trans" li fetohile tse khuts'oanyane bakeng sa mofuta ona, empa ho boetse ho na le lihlahisoa tse ling tsa trans tse ka ba tse ntle ho rona.
American Heart Association e khothalletsa ho fokotsa li-trans tsa fatše ho fokotsa 1% ea lijo tsa letsatsi le letsatsi tsa caloric.
Li-Trans Fats ke Eng?
Mafura a trans ke mofuta oa mafura. Trans "e bolela mokhoa oa limolek'hule. Mefuta e mengata ea 'mele ea rona e na le" set "sa" cis ". Litsebelisoa tsa" Trans "le" cis "tsa molek'hule e le' ngoe li bitsoa" stereoisomers ".
Letlalo la Trans Transplant
Mafura a maiketsetso a maiketsetso ke mofuta oa mafura o entsoeng ha oli ea meroho e thata kapa e tiisoa ka mokhoa oa ho phekola ka hydrogen ka khatello e matla le mocheso. Mokhoa ona o fetola oli ea limela tse nang le oli e le ntho e tiileng kapa e tiileng e atisang ho etsoa margarine kapa ho khutsufatsa le ho kenngoa lijong tse ling tse ngata tse entsoeng. Boholo ba li-trans ka lijo tsa rona li entsoe ka ho eketsa li-hydrogen tlamo ho mafura a saaturated. Sena se etsa hore mafura a tsitsitse, kahoo ha a senyehe kapele. Mafura ana a atisa ho bitsoa "mafura a mangata" a "hydrogenated oil" kapa "mafura a" hydrogenated ".
"Mafura a feletseng a hydrogenated" ha aa lokela ho ba le likarolo tse ngata tsa mafura a trans, empa ha a e-s'o ithute haholo ha ho tluoa tabeng ea polokeho mabapi le bophelo bo botle ba rona.
Bopaki bo hlakile hore mafura a trans a tlisa maloetse a pelo. Ka 2015, Tsamaiso ea Ts'ebetso ea Lithethefatsi le Lithethefatsi e tlosa mafura a maiketsetso a maiketsetso joaloka GRAS kapa "ka kakaretso e nkoa e sireletsehile" bakeng sa ho sebelisoa lijong tsa batho.
Tlhaloso e bolela hore baetsi ba lijo ba na le lilemo tse tharo ho tlosa mafura kaofela a lihlahisoa tsa bona. Leha ho le joalo, lipatlisiso li bontša hore ho tlohela sena ho bahlahisi ba lijo ho ka 'na ha se ke ha e-ba le pholisi e ntle ea ho ithuta ha ho sa tsotellehe ho tlosoa ka ntle ho Europe, ho fokotseha hanyenyane ha li-trans tsa fatše ho fumanoe lijong tse tšoanang ha li bapisoa pele le lilemo tse 3 ka mor'a hore' ts'ebetsong.
Motsoako o Fetohang ka tlhaho-COD: CLA ke Letlalo le Tsoetseng Pele la Bophelo
Mofuta o mong oa mafura o nang le phetoho ea phetoho e hlaha ka tlhaho lebese le nama ho tsoa liphoofolong tse itseng (li-ruminants, joaloka likhomo le li-bison, haholo-holo ba jetseng joang bo fapaneng le lijo-thollo). Tsena li tsejoa e le trans fatty acids, kapa TFAs. Mafura a mofuta ona a bitsoa conjugated linoleic acid (CLA), mme e bonahala e ntle ho rona. Ho na le bopaki bo fokolang ba hore CLA e ka sireletsa ho kankere, ka mohlala. Leha ho le joalo, joaloka lisebelisoa tse ngata tse hlahang ka tlhaho, lithuto tsa CLA e le mokhoa oa ho tlatsetsa lijo li 'nile tsa soetseha haholo.
Ke Lijo life Tse Phahameng Li-Trans Fats?
Lintho tse hlakiloeng le lijo tse ling tse hahiloeng kapa tse entsoeng ka marang-rang li ka kenyelletsa mafura a trans. Ho khutsufatsa hangata ho entsoe ka oli e sa keneng ea hydrogenated 'me ka hona ho na le mafura a mangata haholo ho eona.
Nakong e fetileng, margarine e 'nile ea etsoa ka ho khetheha ka li-trans-fat,' me li-trans li sebelisoa ka mokhoa o hlakileng ho li-crackers tse entsoeng, li-cookie, bohobe, li-pie, li-muffins, donuts le tse ling. Ka molao o mocha, sena se fetoha, empa se ka 'na sa e-ba' nete ho isa tekanyo e kholo.
> Mohloli
Mefuta ea Litlhapi tsa Mefuta ea Matsoho ea Matla, Li-Carbohydrate, Li-Fiber, Lihlahisoa, Mafura a Lijo, Cholesterol, Liprotheine le Amino Acids (Macronutrients) (2005), Institute of Medicine, Boto ea Lijo le Lijo, National Academy of Sciences.
Motsamaisi, Steen, Astrup, Arne, Dyerbeg, Jorg. Mafura a maiketsetso a maiketsetso lijong tse tloaelehileng ka 2012 le 2014: phuputso ea 'maraka oa lichelete linaheng tse tšeletseng tsa Europe. BMJ Open. 2016 Mar. 14; 6 (3): e010673.