Unit 2 - Esters, Fats and Oils Flashcards
From what origins can oils and fats be of?
Animals or plants
How are vegetable oils usually produced?
By squeezing the oils out of the plant seed
How are animal fats usually produced?
By ‘rendering down’ a process which separates the fats from the bone and protein of the fatty parts of the animal.
What is the difference between fats and oils?
How saturated the long chains are
In fats what are the hydrocarbon chains like and what does this mean for the compound?
The hydrocarbon chains are ‘saturated’. this allows the molecules to pack neatly together meaning the LONDON DISPERSION FORCES ARE STRONG. Due to this the compound is SOLID.
In oils what are the hydrocarbon chains like and what does this mean for the compound?
In oils the hydrocarbon chains are ‘unsaturated’, the double bond creates a bend i the hydrocarbon chains pushing the molecules apart meaning the LONDON DISPERSION FORCES ARE WEAKER. Due to this the compound is LIQUID.
What are oils and fats both in water and what does this mean they can be called?
Insoluble - they can be called hydrophobic
What does ‘hydrophobic’ mean?
Literally translates to “Water Fear” means something that will not interact with water
What does hydrophillic mean?
“Water lover” something that will interact with water
What do fats and oils consumed in our diet provide us with?
The fats and oils consumed in our diet provide the body with a concentrated source of energy(even more than carbohydrates) and are essential for the transport and storage of fat-soluble vitamins in the body .
What are fats and oils in terms of esters?
Edible fats and edible oils are esters formed from the condensation of glycerol (propane 1,2,3-triol) and three carboxylic acid molecules.
What are the variety of carboxylic acids also called in fats and oils?
Fatty acids
What is the alcohol called that forms all fats and oils?
Glycerol
How many acid molecules can join to one molecule of glycerol?
3
Esters are formed by what 2 molecules?
An alcohol and an acid
