Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
A saturated fatty acid is a type of fatty acid with no double bonds between the carbon atoms of its hydrocarbon chain. It is typically solid at room temperature.
5 Must Know Facts For Your Next Test
Saturated fatty acids are found in animal fats and some plant oils.
They have straight chains, allowing them to pack closely together.
In microbial membranes, they affect membrane fluidity and permeability.
Saturated fatty acids are less likely to undergo oxidation compared to unsaturated fatty acids.
Common examples include stearic acid and palmitic acid.
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Related terms
Unsaturated Fatty Acid: A type of fatty acid that contains one or more double bonds in its hydrocarbon chain.
Triglyceride: A lipid molecule made up of one glycerol and three fatty acids.
Phospholipid: A major component of cell membranes, consisting of two fatty acids, a phosphate group, and a glycerol backbone.