Rancidity
Antioxidants
Color
Stereo-
chemistry
100
Exposure to oxygen, high temperatures, and light.
What are causes of rancidity?
100
Berries, beans, apples, plums, potatoes, ect.
What is the food in which antioxidants are found?
100
Caroteniod
What is the pigment called found in carrots?
100
It is a carbon with 4 different atoms / groups of atoms attached.
What is a chiral carbon?
200
It is when oxygen reacts with double bonds and creates aldehydes and carboxlate acids.
What is oxidative rancidity?
200
They prevent oxidation by binding up free radials.
What is the purpose of antioxidants?
200
The heme browns.
What does heme do when exposed to high temperatures and oxygen?
200
Molecules that are mirror images of each other.
What is an enantiomers?
300
Initiation, Propagation, and Termination.
What are the three steps to oxidative rancidity?
300
It is because acid breaks the double bond which creates less conjugation and lower energy.
What is the reason for anthocyanin having a more intense color at lower pH levels?
400
It is a reverse of condensation and splits back into glycerol and fatty acids.
What is hydrolytic rancidity?
400
It is the part of the molecule that is responsible for its color.
What is chromophore?
500
Lipase.
What is the enzyme called that speeds up the hydrolysis of lipids that causes the release of fatty acids and the rancid smell?
500
Planar porphin ring in a complex with Magnesium.
What is the structure of Chlorophyll?
M
e
n
u