Qhov sib txawv tseem ceeb ntawm cis thiab trans fatty acids yog tias cis fatty acids muaj ob lub hydrogen atoms txuas rau ob daim ntawv cog lus nyob rau tib sab ntawm cov roj carbon fiber ntau hos cov trans fatty acids muaj ob lub hydrogen atoms sib koom ua ke. ob daim ntawv cog lus nyob rau sab nraud ntawm cov saw hlau.
Fatty acids yog carboxylic acids uas muaj aliphatic carbon chains ntev uas yog saturated los yog unsaturated. Qhov no txhais tau tias, cov saw hlau aliphatic yuav lossis tsis muaj ob daim ntawv cog lus ntawm cov pa roj carbon atoms. Cis thiab trans fatty acids yog ob hom ntawm unsaturated fatty acids.
Cis Fatty Acids yog dab tsi?
Cis fatty acids yog carboxylic acids uas muaj cov roj carbon aliphatic ntev ntev uas muaj ob lub hydrogen atoms txuas rau ob daim ntawv cog lus nyob rau tib sab ntawm cov saw hlau. Peb lub npe no yog "cis configuration ntawm unsaturated fatty acids".
Vim cov hydrogen atoms nyob rau tib sab ntawm cov saw hlau, nws ua rau cov saw hlau khoov. Qhov no txwv qhov kev ywj pheej conformational ntawm fatty acid. Yog tias muaj ntau ob daim ntawv cog lus hauv cov saw hlau, nws txo qis qhov hloov pauv ntawm cov saw hlau. Ntxiv mus, yog hais tias muaj ntau cis configurations nyob rau hauv cov pa roj carbon saw, nws ua rau cov saw heev nkhaus nyob rau hauv nws cov feem ntau yooj yim conformations. Piv txwv xws li cis-oleic acid thiab cis-linoleic acid.
Dab tsi yog Trans Fatty Acids?
Trans fatty acids yog carboxylic acids uas muaj aliphatic carbon chains ntev uas muaj ob lub hydrogen atoms txuas rau ob daim ntawv cog lus nyob rau sab nraud ntawm cov saw hlau. Yog li ntawd, qhov no tsis ua rau cov saw hlau khoov ntau.
Daim duab 01: Kev sib piv ntawm Cis thiab Trans Configurations ntawm Oleic Acid
Ntxiv mus, lawv cov duab zoo ib yam li cov roj saturated ncaj. Cov trans fatty acids tsis yog ntau ntau nyob rau hauv cov xwm li cis configuration. Nws yog tsim los ntawm kev lag luam ntau lawm. Piv txwv li, cov tshuaj tiv thaiv hydrogenation yuav ua rau tsim cov roj ntsha trans fatty acids.
Qhov txawv ntawm Cis thiab Trans Fatty Acids yog dab tsi?
Cis fatty acids yog carboxylic acids uas muaj cov aliphatic carbon chains ntev uas muaj ob lub hydrogen atoms txuas rau ob daim ntawv cog lus nyob rau hauv tib sab ntawm cov pa roj carbon saw hlau whereas cov trans fatty acids yog carboxylic acids uas muaj ntev aliphatic carbon chains muaj ob hydrogen. atoms txuas rau ob daim ntawv cog lus nyob rau sab nraud ntawm cov saw hlau. Qhov no yog qhov sib txawv tseem ceeb ntawm cis thiab trans fatty acids. Tsis tas li ntawd, thaum xav txog lawv qhov tshwm sim, cis configuration muaj ntau ntau nyob rau hauv cov xwm thaum lub trans configuration tsis muaj nyob rau hauv xwm. Vim tias, cov roj ntsha trans fatty acids feem ntau tsim los ntawm cov txheej txheem kev lag luam sib txawv xws li hydrogenation. Ntxiv mus, lwm qhov sib txawv ntawm cis thiab trans fatty acids yog qhov cis configuration ua rau fatty acid molecule khoov thaum lub trans configuration tsis ua rau cov molecule khoov ntau.
Summary – Cis vs Trans Fatty Acids
Fatty acids yog nyob rau hauv ob hom saturated thiab unsaturated fatty acids. Peb tuaj yeem categorize unsaturated fatty acids ntxiv, xws li cis thiab trans fatty acids. Qhov sib txawv ntawm cis thiab trans fatty acids yog tias cis fatty acids muaj ob lub hydrogen atoms txuas rau ob daim ntawv cog lus nyob rau hauv tib sab ntawm cov roj carbon saw hlau whereas cov trans fatty acids muaj ob hydrogen atoms bonded rau ob daim ntawv cog lus nyob rau hauv lub opposite sab. ntawm cov saw hlau carbon.
