18 Questions
What is the main difference between solid animal fats and vegetable oils?
Animal fats have a higher proportion of saturated fatty acids
What is the term for unsaturated fatty acids that the body cannot synthesize and must be consumed through the diet?
Essential fatty acids
What is the reason why coconut oil is a liquid despite having a high proportion of saturated fatty acids?
It has a high proportion of low-molecular-weight fatty acids
What is the relationship between the number of double bonds in a fatty acid chain and its melting point?
Increase in double bonds decreases the melting point
What is the reason why pure fats and oils are colorless, odorless, and tasteless?
They contain small amounts of other substances dissolved in the fat or oil
What is the reason why saturated fats have a high melting point?
They have a uniform shape that allows them to pack together efficiently
What is the reason why unsaturated vegetable oils have a lower melting point?
The presence of cis C=C bonds that cause bends and kinks in the hydrocarbon chains
What is the result of partial hydrogenation of vegetable oils?
A product with just the right consistency for cooking
What is the process by which fats and oils are converted into glycerol and a mixture of fatty acid salts?
Saponification
What is the reason why manufacturers do not hydrogenate all of the double bonds in vegetable oils?
To produce a product that is not too solid
What is the source of trans fatty acids in food processing?
Hydrogenation
What is the purpose of saponification in the production of soaps?
To convert fats and oils into a mixture of glycerol and fatty acid salts
What type of bond is present in the hydrocarbon chain of an unsaturated fatty acid?
Double bond
What is the characteristic of fatty acids found in triglycerides?
Only even-numbered fatty acids
What is the main difference between fats and oils?
Fats are solids, while oils are liquids
What is the term for a fatty acid with a single double bond in the molecule?
Monounsaturated
What is the functional group present in all fatty acids?
–COOH
What determines the physical properties of triglycerides?
The type of fatty acid present
Learn about the differences between fats and oils, including their composition and the types of fatty acids they contain. Discover the importance of essential fatty acids.
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