Organic Chemistry
Organic Chemistry
11th Edition
ISBN: 9781118133576
Author: T. W. Graham Solomons, Craig Fryhle
Publisher: Wiley, John & Sons, Incorporated
Question
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Chapter 23, Problem 11PP
Interpretation Introduction

Interpretation:

The organic compounds produced by the complete hydrolysis of the given compounds need to be identified.

Concept Introduction:

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Phospholipids are derived from phosphatidic acid. The phosphatidic acid has two hydroxyl groups of a glycerol unit, joined to fatty acids through ester linkages. The other terminal hydroxyl group is joined to the phosphoric acid through an ester linkage.

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When the phosphate group of the phosphatidic acid is connected to a nitrogen containing compound such as choline, 2-aminiethanol and L-serine through another phosphate ester linkage, a phosphatide is formed. Lecithin, cephalin, phosphatidylserines and plasmalogens are important groups of phosphatides.

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Lecithin finds wide application in food industry. To enhance their compatibility and performance with the product they are used with, lecithin molecules are hydrolyzed enzymatically.

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The hydrolysis of lecithin results in the production of glycerol, fatty acids, phosphoric acid, and choline molecules

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The hydrolysis of cephalin results in the breakdown of carboxy ester and phosphoester bonds to produce glycerol, fatty acids, phosphoric acid, and ethanolamine molecules.

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The hydrolysis of choline-based plasmalogen gives glycerol, fatty acid, phosphoric acid, and an unsaturated aldehyde

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