A) Write an equation for the acid hydrolysis of glyceryl trioleate (triolein). E

Question

A) Write an equation for the acid hydrolysis of glyceryl trioleate (triolein).

Express your answer as a chemical equation using molecular formulas for lipids. For example, enter C20H32O2 for arachidonic acid.

B) Write an equation for the NaOH saponification of glyceryl trilinolenate (trilinolenin, C57H92O6).

Express your answer as a chemical equation using molecular formulas for lipids. For example, enter C20H32O2 for arachidonic acid.

Please help. I'm getting so frustrated with mastering chemistry. I have the structures but need help with the molecular formula for the equations.

Explanation / Answer

During acid hydrolysis, the products are formed due to cleavage of the ester bonds. Therefore, hydrolysis of a glycerol trioleate results in one glycerol and 3 molecules of oleic acid.

The following is the equation for hydrolysis of trioleate:

C57H104O6 + 3H2O C3H8O3 + 3C18H34O2

B.

Saponification of glyceryl trilinolenate yields glycerol and sodium linolenate in the ratio 1:3

C57H92O6 + 3NaOH C3H8O3 + 3C18H29O2Na

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