Lipids Flashcards
1
Q
Longer/Shorter chains have higher melting point
A
Longer
2
Q
More/Less saturation has higher melting point
A
More saturation
3
Q
Autoxidation initiation prodict
A
Alkyl radical
4
Q
Autoxidation propagation intermediate and final products
A
Intermediate: Peroxide radical
Final: Hydroperoxide radical and alkyl radical
5
Q
Type one photoxidation uses a sensitizer/3O2
A
Sensitizer
6
Q
Type 2 photoxidation uses a sensitizer/3O2
A
3O2
7
Q
Primary oxidation products
A
Hydroperoxides
8
Q
Secondary oxidation products
A
Carbonyl compounds
9
Q
Lipoxygenase only attacks
A
1,4 cis cis pentadiene systems
10
Q
Reactions that happen during frying
A
Isomerization, formation of dimers and cycles and polymerization
11
Q
Refining steps
A
Degumming
Deacidification
Bleaching
Deodorization
