Definition

Noun: * A type of lipid molecule: A chemical compound that is an ester formed from glycerol and one or more fatty acids. It is the primary constituent of natural fats and oils found in living organisms and food.

Examples of Usage

• Noun:
  • The laboratory analysis confirmed the presence of several different acylglycerols in the animal fat sample.
  • Nutritionists classify dietary lipids based on their acylglycerol content.
  • The chemical structure of an acylglycerol determines whether it is a fat or an oil at room temperature.

Advanced Usage

• Biochemical Context: The term is used to describe the storage form of energy in adipose tissue. The specific type (mono-, di-, or triacylglycerol) depends on how many fatty acid molecules are attached to the glycerol backbone.
  • Triacylglycerol, the most common acylglycerol in nature, serves as a long-term energy reserve.

Variants and Related Words

• Glyceride: A common synonym for acylglycerol.
• Monoglyceride (monoacylglycerol): An acylglycerol with one fatty acid chain.
• Diglyceride (diacylglycerol): An acylglycerol with two fatty acid chains.
• Triglyceride (triacylglycerol): An acylglycerol with three fatty acid chains; this is the main form found in fats and oils.
• Neutral lipid: A broader category that includes acylglycerols, characterized by their non-polar nature.

Synonyms

• Glyceride
• Fatty acid ester (of glycerol)

Notes on Meaning

This is a technical, scientific term primarily used in biochemistry, nutrition, and food science. It refers to the fundamental chemical building block of fats and oils, distinguishing them from other lipid classes like phospholipids or steroids.

Noun

1. an ester of glycerol and fatty acids that occurs naturally as fats and fatty oils
   • fresh fats contain glycerides of fatty acids and very little free acid