Dr. Vijay Marakala, MBBS, MD.
Assistant professor
BIOCHEMISTRY
SIMS & RC
Definition Classification
Biological
importance
Organic substances relatively insoluble
in water but soluble in organic solvents
like chloroform, ether and benzene
Defini...
Simple
lipid
Complex
lipid
Derived
lipids
Neutral fats or oils
Alcohol is
GLYCEROL
Waxes
Alcohol is
other than
glycerol
Uncharged
Esters of FA with
higher molecular
weight
monohydric
alcohols
EXAMPLES
 Lanolin
 Beeswax
 Whale sperm oil
Subclassified according to the type of prosthetic group
Phospholipids Glycolipids Lipoproteins
FA + ALCOHOL + PHOSPHORIC ACID
They
frequently
have
nitrogen
containing
bases
Phospholipids
may be
classified on the
basis of the
type of alcohol
present
A. Glycerophospholipids B. Spingophospholipids
 Phosphatidylcholine
 Phosphatidyl
ethanolamine
 Phosphatidyl serine
 P...
FA + ALCOHOL[SPINGOSINE] +CARBOHYDRATE
WITH NITROGEN BASE
Example
Cerebrosides
Gangliosides
Chylomicrons
Very low density lipoprotein
(VLDL)
Low density lipoprotein (LDL)
High density lipoprotein (HDL)
Lipid wi...
Example
Fatty acids Steroids Cholesterol
Vitamin A
and D
Storage form
of energy
Structural
component
of cell
membrane.
Precursor of
many steroid
hormones, vi
tamin D
Act as
therma...
Helps in
absorption
of fat soluble
vitamins
Lipoproteins
transporting
lipids
Fats serve as
surfactants
by reducing
surface...
Long
Essay (10
marks)
Define lipids, classify lipids with
suitable examples and mention
their functions.
Short
Essay (5
ma...
Chemistry of lipids classification ppt BIOCHEMISTRY
Chemistry of lipids classification ppt BIOCHEMISTRY
Chemistry of lipids classification ppt BIOCHEMISTRY
Chemistry of lipids classification ppt BIOCHEMISTRY
Chemistry of lipids classification ppt BIOCHEMISTRY
Chemistry of lipids classification ppt BIOCHEMISTRY
Chemistry of lipids classification ppt BIOCHEMISTRY
Chemistry of lipids classification ppt BIOCHEMISTRY
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Chemistry of lipids classification ppt BIOCHEMISTRY

  1. 1. Dr. Vijay Marakala, MBBS, MD. Assistant professor BIOCHEMISTRY SIMS & RC
  2. 2. Definition Classification Biological importance
  3. 3. Organic substances relatively insoluble in water but soluble in organic solvents like chloroform, ether and benzene Definition
  4. 4. Simple lipid Complex lipid Derived lipids
  5. 5. Neutral fats or oils Alcohol is GLYCEROL Waxes Alcohol is other than glycerol
  6. 6. Uncharged
  7. 7. Esters of FA with higher molecular weight monohydric alcohols EXAMPLES  Lanolin  Beeswax  Whale sperm oil
  8. 8. Subclassified according to the type of prosthetic group Phospholipids Glycolipids Lipoproteins
  9. 9. FA + ALCOHOL + PHOSPHORIC ACID They frequently have nitrogen containing bases
  10. 10. Phospholipids may be classified on the basis of the type of alcohol present
  11. 11. A. Glycerophospholipids B. Spingophospholipids  Phosphatidylcholine  Phosphatidyl ethanolamine  Phosphatidyl serine  Phosphatidyl inositol  Plasmalogens  Cardiolipins  Spingomyelins
  12. 12. FA + ALCOHOL[SPINGOSINE] +CARBOHYDRATE WITH NITROGEN BASE Example Cerebrosides Gangliosides
  13. 13. Chylomicrons Very low density lipoprotein (VLDL) Low density lipoprotein (LDL) High density lipoprotein (HDL) Lipid with prosthetic group PROTEIN
  14. 14. Example Fatty acids Steroids Cholesterol Vitamin A and D
  15. 15. Storage form of energy Structural component of cell membrane. Precursor of many steroid hormones, vi tamin D Act as thermal insulator Protection of internal organs
  16. 16. Helps in absorption of fat soluble vitamins Lipoproteins transporting lipids Fats serve as surfactants by reducing surface tension. Improve taste and palatability. Acts as electric insulators in neurons.
  17. 17. Long Essay (10 marks) Define lipids, classify lipids with suitable examples and mention their functions. Short Essay (5 marks) Phospholipids Glycolipids

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