A.9 - The role of secondary metabolites; major carbohydrate and phenoloid compounds Flashcards
1
Q
What are secondary metabolites?
A
Compounds accumulated in cells which are derived from primary metabolites
2
Q
What are the primary groups of Secondary metabolite products?
A
- Saccharides
- Phenoloids
- Polyketides
- Terpenoids
- Azotoids
3
Q
By which process are secondary metabolites produced?
A
Secondary carbon metabolism pathways
E.g Malonic acid pathway
4
Q
Give examples of what secondary metabolites are used for in plants
A
- Thymol - Insecticide
- Capsaicin - Defence from herbivores
- AntiMicrobial/Antifungal - Resveratrol
5
Q
Give an example of Carbohydrates as secondary metabolites
A
Causing bloat:
- Verbascose
- Raffinose
Causing Sticky Faeces:
- Heteropolysaccharides
- Homopolysaccharides
6
Q
What are Phenoloids?
A
Molecules based on Phenol
7
Q
Give examples of Phenoloids
A
- Coumarins
- Flavonoids
- Tannins
- Quinones
8
Q
What effect do Coumarines have on the body?
A
- Anticoagulant
- Photosensitisation
9
Q
What effect do Flavonoids have on the body?
A
- Antioxidant
- Anti-inflammatory
- Insecticide
10
Q
What effect does Tannin have on the body?
A
Poison
