Elaidic acid yog cov tshuaj sib xyaw nrog cov qauv C ₁₈H ₃₄O ₂, tshwj xeeb cov fatty acid nrog cov qauv qauv HOC–(CH₂–)₇CH=CH–(CH₂–)₈H, nrog rau ob daim ntawv cog lus hauv kev teeb tsa. Nws yog xim tsis muaj xim oily khoom. Nws cov ntsev thiab esters hu ua elaidates.
Elaidic acid tsim li cas?
Elaidic acid kuj yog tsim los ntawm ib nrab hydrogenation ntawm polyunsaturated rog rau kev tsim cov margarines thiab shortenings. Cov khoom siv hydrogenated no muaj lwm cov cis thiab trans isomers ntawm monounsaturated fatty acids uas ob daim ntawv cog lus tau tsiv mus nyob nruab nrab ntawm carbon-8 thiab carbon-12 txoj haujlwm.
C18 fatty acid yog dab tsi?
Oleic acid yog fatty acid uas tshwm sim nyob rau hauv ntau yam tsiaj thiab zaub roj thiab roj. … Hauv cov ntsiab lus tshuaj, oleic acid yog cais raws li monounsaturated omega-9 fatty acid, abbreviated nrog lipid tus lej ntawm 18: 1 cis-9.
kub taw tes ntawm elaidic acid yog dab tsi?
Hauv daim ntawv purified nws yog dawb crystalline fatty acid insoluble nyob rau hauv dej, nrog melting point ntawm 44.5-45.5 ° C (112.1-113.9 ° F; 317.65-318.65 K) thiab boiling point ntawm 288 °C (550.4 ° F; 561.15 K) ntawm 100 mm Hg.
Elaidic acid pom nyob qhov twg?
Elaidic acid (EA) yog oleic acid trans isomer (trans-9-18: 1). Nws yog qhov tseem ceeb trans fatty acid nyob rau hauv Western noj mov. EA muaj nyob rau hauv margarine, ib nrab hydrogenated zaub roj, thiab zaub mov kib.
