1.12 Essential and non-essential amino acids Flashcards
1
Q
List the essential amino acids
A
- Histidine
- Valine
- Lysine
- Isoleucine
- Leucine
- Phenylalanine
- Tryptophan
- Methionine
- Threonine
2
Q
Give the general reaction of amino acid decarboxylation
A
Producing a biogenic amine
3
Q
Give the degradation process of a biogenic amine
A
MAO = Monoamino oxidase
4
Q
Degradation of Histidine
- Biogenic amine produced
- Role of the amine
A
Histamine
- Tissue inflammatory hormone
- Allergic reactions
5
Q
Degradation of Tyrosine (DOPA)
- Biogenic amine produced
- Role of the amine
A
Catecholamine (Dopamine)
- Adrenaline
- Noradrenaline
6
Q
Degradation of Tyrosine
- Biogenic amine produced
- Role of the amine
A
Tyramine
- Smooth muscle contraction
- Vasoconstrictor
7
Q
Degradation of 5-OH-Trp
- Biogenic amine produced
- Role of the amine
A
Serotonin
- Neurotransmitter
8
Q
Degradation of Glutamate
- Biogenic amine produced
- Role of the amine
A
GABA
- Inhibitory neurotransmitter
9
Q
Degradation of Serine
- Biogenic amine produced
- Role of the amine
A
Ethanolamine (cholamine)
- Component of cephalin
- Acetylcholine, lecithin
10
Q
Degradation of Cysteine
- Biogenic amine produced
- Role of the amine
A
Cysteamine
- Pantothenic acid → HS-CoA
11
Q
Degradation of Cysteine acid
- Biogenic amine produced
- Role of the amine
A
Taurine
- Bile salt synthesis
12
Q
Degradation of Aspartate
- Biogenic amine produced
- Role of the amine
A
β-alanine
- HS-CoA
13
Q
Degradation of Ornithine
- Biogenic amine produced
A
Putrescine
14
Q
Degradation of Lysine
- Biogenic amine produced
A
Cadaverine
15
Q
Carnosine
- Species
- Composition
- Function
A
- Found in mammals
- Composition: Histidine + β-alanine
- Function:
- Muscle + Brain antioxidants
- A buffer of lactic acid
- Anti-ischemic