Definition, classification, functions and deficiency manifestations
Fatty acids-Aliphatic carboxylic acids
even chain/ odd chain
Short chain/ medium chain/ long chain/ very long chain fatty acids
Saturated/ unsaturated
MUFA/PUFA
Essential FA
linoleic and linolenic acid
semi- arachidonic acid
w3, w6 and w9 series
w3
alpha linolenic acid
Timnodonic acid
DHA
w6
gamma linolenic acid
linoleic acid
arachidonic acid
w9
oleic acid
Functions
1. component of cell membrane
2. precursor for eicosanoids
3. prevents CVDs
4. prevents Fatty liver
Deficiency
Phrynoderma
involves skin of limbs, buttocks and back
horny eruptions, hyperkeratosis,acanthosis
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