This was a detailed note on composition and metabolism of LIPIDS with proper introduction, definition, composition , sources, functions, metabolism and health issues of lipids
,INTRODUCTION
Lipids are a diverse group of organic
compounds that play essential roles in living
organisms. They are characterized by their
insolubility in water but solubility in nonpolar
solvents such as chloroform, benzene, and
ether. Lipids serve various functions, including
energy storage, insulation, cushioning, and as
structural components of cell membranes.
They are vital for the proper functioning of
cells and are involved in numerous biological
processes.
,COMPOSITION OF
LIPIDS
Lipids exhibit a wide range of chemical
structures, but they all share the common
characteristic of being hydrophobic or
nonpolar. The main classes of lipids include
triglycerides (fats and oils), phospholipids,
sterols, and waxes.
TRIGLYCERIDES(FAT,OIL)
PHOSPHOLIPIDS
STEROLS
LIPIDS
WAXES
, 1. TRIGLYCERIDES:
Triglycerides are a type of lipid and the most
common form of dietary fat found in both
animal and plant sources. They play a crucial
role in the body as a concentrated source of
energy and as a component of adipose tissue
(body fat) for long-term energy storage.
Triglycerides are composed of three fatty
acids attached to a glycerol molecule through
ester bonds.
1. Structure of Triglycerides:
Triglycerides have a glycerol backbone,
which is a three-carbon alcohol. Each
carbon in the glycerol molecule is linked to
a fatty acid chain through an ester bond.
The fatty acid chains can vary in length
and degree of saturation, which affects
the physical properties of triglycerides.
2. Dietary Sources:
Triglycerides are found in various foods,
especially those high in fat. Animal
sources of triglycerides include fatty
meats, poultry skin, whole-milk dairy
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