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PHYTOSTEROL ESTERS (COG STEROL THIAB STANOL ESTERS)

Lub sij hawm andquot;phytosterolsandquot; npog cog sterols thiab stanols cog. Cog sterols lawm tshwm sim yam tuaj noj principally li me Cheebtsam ntawm roj zaub. Cog stanols, zom zaws tsuag ib theem qis, yog hydrogenation tebchaw ntawm tus cog duas paub sterols. Ib sim kom tsua yog ib qhov zoo tsim muaj tej yam plawv coronary liab; cog sterols thiab cog stanols mas zoo nyob rau hauv tej ntshav tag nrho thiab muaj ceev lipoprotein (LDL) roj uas tshwm sim los ntawm inhibiting haum cov roj uas txhaws taus los ntawm txoj hnyuv. Yuav kom cuag tus roj uas txhaws taus tej nyiaj kwv yees li 1 g/hnub cog sterols los yog stanols cog tau yuav noj. Sib piv, tej kev noj haus kom tsawg (i.e. tsis fortification) yog ntawm 200-400mg/hnub cog sterols whereas yog tej kev noj haus kom tsawg ntawm tsob nroj stanols negligible.

Nyam cov khoom xws li margarines cov phytosterol esters lawm muaj kev loj hlob tseem ceeb nyob rau hauv tej zaub mov lug txhim khu cov roj uas txhaws taus lowering taus cov khoom uas noj tshuaj. Noj nqos tau cov nqi nruab nrab ntawm cov kis ib hnub (thaj tsam li 20 g tuaj nyob teb chaws Europe Western) supplemented nrog ntawm 8-10% cog sterol los cog stanol lowers cov nqi roj thiab roj uas txhaws taus LDL 8-13% – qhov tshaj rau kev noj rau ntawm 1.6-2.0g cog sterols los cog stanols ib hnub. Cog sterols thiab cog stanols tshwm sim yuav tsis ruaj rau kev noj, thaum pom tias tsim tsis phiv los ntawm kev tshawb fawb pej xeem coob. Lawv qhia tsis tau pom ntawm toxicity txawm nyob muaj koob ntau ntau thiab yog tsis haum gastro-hnyuv. Nyob rau tebchaws Meskas, muaj vaj huam sib luag rau yus ua hauj lwm tau xaus lus tias cov roj zaub cog sterol esters thiab cog stanol esters muaj kev ruaj ntseg rau siv los ua ib tug muaj nyob rau hauv roj zaub kis. Tas nyob hauv cov European Union ib cov tswvyim los ntawm cov pawg Scientific rau zaub mov (SCF) xaus lus tias siv cov phytosterol esters hauv daj rog kis (siab tshaj qib 8% phytosterols dawb) muaj kev ruaj ntseg rau pej xeem siv. Nyuam qhuav ntau cov SCF thiab cov successor, cov nyob sab Europe zaub mov kev ruaj ntseg cai (EFSA) los ntawm nws kev vaj huam sib luag tshaj ntawm Dietetic cov khoom, khoom noj khoom haus thiab kev ua xua, tau muab kev pom zoo tias sterol-uas muaj cov khoom noj yuav tsum tsis tau noj lawm ua rau phytosterol tag nrho intakes qib 3 g/hnub. Tsis tas li ntawd, ntau tsis ntev los no tso cai rau lawv incorporation rau lwm cov zaub mov lawm nws yam nyuab dua rau tus tau txais kev pab yuav tau paub seb lawv cov adhering rau tus pab tswv yim.

EFSA nyob rau hauv xyoo 2008 siv tias tus muaj pov thawj scientific justified ib daim ntawv thov kev "cog sterols pom tias tsawg dua/txo qhov tsua. Ntshav roj uas txhaws taus tej zaum kom tsis txhob mob plawv coronary diseaseandquot;. Ib qho kev cai EU hais tias ntawm daim "yuav tsum muaj ib daim ntawv uas cov khoom tsis yog rau cov neeg uas tsis yuav tswj lawv tsua".

Ua tsaug rau koj menyuam, thov cuag tau hu mus nrog peb. Peb tseem tos koj teb!

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