In relation with fatty acids, explain the expressions Omega-3 Omega-6 Saturated

Question

In relation with fatty acids, explain the expressions Omega-3 Omega-6 Saturated Unsaturated Polyunsaturated What are lipids? Explain the relationship between cell membrane and lipids and cholesterol What kind of lipid cholesterol is? What does "essential fatty acid" mean? Draw the structural formula of glycerol What is a triacylglycerol or triglyceride? Draw the condensed structural formula for the triglyceride made of linoleic acid, linolenic acid and stearic acid What is the function of triglycerols in the body?

Explanation / Answer

g) There are 18 carbons in longest chain, so its root word is octadec.

There is -COOH functional group in compound so its last name is -oicacid.

There are no other substituents.

Hence its IUPAC name is octadecanoicacid.

h) There are 18 carbons in longest chain, so its root word is octadec.

There is -COOH functional group in compound so its last name is -oicacid.

There are three double bonds at 9, 12 and 15th positions so they are substituents and their name is triene.

First preority groups are present at same side of the double bond so they are Z isomers.

Hence its IUPAC name is (9Z,12Z,15Z)-9,12,15-octadecatrienoicacid.

i) There are 18 carbons in longest chain, so its root word is octadec.

There is -COOH functional group in compound so its last name is -oicacid.

There are two double bonds so they are treated as substituents and their name is diene.

First preority groups are present at same side of the double bond so they are Z isomers.

Hence its IUPAC name is (9Z,12Z)- 9,12-octadecadienoicacid.

j) There are 18 carbons in longest chain, so its root word is octadec.

There is -COOH functional group in compound so its last name is -oicacid.

There is one double at 9th position bond so substituents name is -ene.

Hence its IUPAC name is 9-octadecaenoicacid.

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