Triglycerides in food are said to have satiety value primarily because

Because they have high calories.

Explanation:

Triglycerides may be defined as the chemical molecule that has been derived from the fatty acids and glycerol linked through the ester bonds. Triglycerides consist of the main composition of the human fat.

Triglycerides present in food is considered as the inhibition of further eating of food or satiety. This is because the triglycerides are high in calories and release the greatest amount of energy among all the biomolecules. The diet rich in calories satisfies the hunger of an individual.