Rog thiab roj cholesterol zoo ib yam li cov uas tsis tau kawm paub meej. Cov rog thiab cov roj (cholesterol) yog suav tias yog lub zog khaws cia hauv peb lub cev. Tus nqi ntawm cov roj cholesterol tam sim no ncaj qha nyob ntawm seb cov rog tau noj. Tib neeg lub cev muaj cov cholesterol. Cov rog thiab cov roj (cholesterol) ob leeg yog ob yam, zoo thiab phem. Ob qho tib si noj ntau ua rau muaj kab mob tuag taus xws li mob plawv thiab mob stroke. Lawv yuav tsum tau noj nyob rau hauv qhov tso cai kom muaj nuj nqis vim lawv tseem ceeb heev rau tib neeg lub cev ua haujlwm ntau yam tseem ceeb.
Fat
Cov rog yog triesters ntawm glycerol thiab fatty acids thiab yog soluble hauv organic solvents tab sis insoluble hauv dej. Qhov tseem ceeb ntawm cov rog yog mis nyuj, butter, nqaij, roj, txiv maj phaub, roj ntses, ncuav mog qab zib, pastries, khoom noj txom ncauj thiab ntau yam khoom kib thiab ci. Muaj ntau li cuaj calories hauv ib gram ntawm cov rog uas yuav luag ob npaug ntawm cov carbohydrates. Noj cov rog ntau dhau tuaj yeem ua rau lub cev hnyav. Cov rog yog ob hom, lawv yog cov rog saturated thiab unsaturated fats. Cov roj saturated tseem hu ua cov rog tsis zoo vim nws muaj kev phom sij ntau rau tib neeg lub cev thiab muaj zog ntawm chav tsev kub. Qhov chaw ntawm cov roj saturated yog cov khoom noj siv mis xws li mis nyuj, qab zib, cheese, hydrogenated zaub roj, txiv maj phaub, thiab lwm yam. Ntawm qhov tod tes, unsaturated fats yog cov rog zoo thiab ua kua hauv chav tsev kub. Polyunsaturated thiab monounsaturated cov ntaub ntawv tsis muaj teeb meem rau lub plawv txhua. Peb tuaj yeem txo cov rog hauv peb lub cev los ntawm kev siv cov mis nyuj skimmed thiab txo cov roj hauv peb cov zaub mov. Lwm hom rog, Trans rog muaj teeb meem heev thiab cov rog phem tshaj li lawv zoo li cov rog saturated. Ib qho yuav tsum zam cov khoom noj xws li cov fries fries, cov zaub mov tiav, cov zaub mov ci zoo li muffins thiab roj hydrogenated.
Apart from cov teebmeem ntawm cov rog, lawv paub tias ua haujlwm tseem ceeb hauv tib neeg lub cev. Cov rog pab nqus cov vitamins hauv peb lub cev, thiab muab lub zog rau cov haujlwm niaj hnub. Rog ua rau daim tawv nqaij glow, nws qhov tsis muaj peev xwm ua rau daim tawv nqaij qhuav thiab du. Cov rog pab tsim cov tshuaj hormones tseem ceeb xws li poj niam txiv neej cov tshuaj hormones. Kev noj cov rog kom raug ua rau lub hlwb loj hlob sai.
Cholesterol Nyob
Cov roj (cholesterol) yog ib txwm muaj nyob hauv tib neeg thiab tsim nyob rau hauv daim siab. Nws yog waxy steroid thiab yog lub zog ceev. Nws ua lub luag haujlwm tseem ceeb hauv kev tsim cov vitamin D, cov tshuaj hormones thiab cov kua tsib acids. Nws pab tsim cov cell membranes thiab tseem nyob rau hauv kev thauj mus los ntawm cov khoom sab nraud ntawm tes. Hauv daim siab, cov roj cholesterol hloov mus rau hauv cov kua tsib, uas yog siv los nqus cov rog thiab cov vitamins uas muaj roj soluble los ntawm txoj hnyuv. Nws pab nyob rau hauv lub synthesis ntawm kev sib deev cov tshuaj hormones xws li estrogen thiab testosterone. Qhov tseem ceeb ntawm cov roj cholesterol yog cheese, nqaij nyuj, qe qe, thiab lwm yam. Nws yog soluble hauv dej rau ib qho twg. Cov roj (cholesterol) yog peb hom, Low Density Lipoproteins, tseem hu ua Bad cholesterol, High Density Lipoproteins, hu ua Good cholesterol and Very Low Density Lipoproteins. Sib nrug los ntawm cov lus dab neeg hais tias cov roj (cholesterol) phem heev rau peb txoj kev noj qab haus huv thiab nws yuav tsum zam tag nrho, tam sim no nws yog qhov paub tseeb tias cov qib qis ntawm nws yog cov neeg tuag ntau dua li cov qib siab hauv tib neeg lub cev. Nws yuav luag tsis yooj yim sua kom muaj lub cim xeeb zoo yam tsis muaj roj cholesterol.
Dab tsi yog qhov sib txawv ntawm Fat thiab Cholesterol?
♦ Cov rog yog trimesters ntawm glycerol thiab fatty acids thaum cov roj cholesterol yog ib qho steroid.
♦ Cov rog ua kom muaj zog ntau dua cov roj cholesterol.
♦ Cov rog muaj teeb meem ntau dua li cov roj cholesterol.
♦ Cov rog pab kom lub hlwb loj hlob zoo thaum cov roj cholesterol pab txhawb kev nco.
♦ Cov roj (cholesterol) yog hom roj uas muaj nyob hauv cov hlab ntsha.
