Oxidation of food Flashcards
Draw a structure of a primary alcohol?
C-C-OH (remember your hydrogen)
Draw a structure of a secondary alcohol?
Two carbon attached to the carbon bonded to the OH group
Draw a structure of a the tertiary alcohol?
Three carbon attached to the carbon bonded to the OH group
what is produced when a primary alcohol is first oxidised?
Aldehyde
what is produced when secondary alcohol is oxidised?
Ketone
what happens when you oxidise a tertiary alcohol?
Nothing as they are difficult to oxidize
Explain oxidation in terms of a change of the oxygen to hydrogen ratio?
Oxidation is defined as increasing the O:H ratio
What happens to CuO in mild oxidation?
Black oxide is reduced to reddish copper metal
What carbon compound family does ethanal belong too?
Aldehydes
What functional group is present in aldehydes and ketone?
C=O (carbonyl)
What happens if you use tollen’s reagent on a aldehyde?
A silver mirror is formed
How does food containing edible oils turn rancid?
Oxygen reacts with edible fats and oils in food, to give the food rancid flavor
How do you prevent food from being rancid?
Through the use of antioxidants, they provide electrons to prevent the oxidation fats and oils in food
Are antioxidants oxidation or reducing agents?
They are reducing agents
