Metabolism of triglycerides

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Metabolism of Triglycerides
R. C. Gupta Professor and Head Department of
Biochemistry National Institute of Medical
Sciences Jaipur, India
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The energy-giving nutrients are carbo-hydrates,
lipids and proteins
Lipids are a concentrated source of energy
Their calorific value is much more than that of
carbohydrates and proteins
EMB - RCG
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EMB - RCG
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EMB - RCG
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A triglyceride consists of three fatty acids
esterified with a molecule of glycerol
EMB - RCG
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All the cells store some amount of triglycerides
But adipose tissue is the major site for storage
of triglycerides
Adipose tissue is rich in adipocytes (fat cells)
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Adipocytes store triglycerides in the form of fat
globules
Most of the space in adipocytes may be filled up
with triglycerides
Adipocytes can synthesize as well as hydrolyse
triglycerides
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Synthesis of triglycerides
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Catabolism of triglycerides
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There are two lipases that can hydrolyse the
triglycerides
Lipoprotein lipase
Hormone-sensitive lipase
Hormone-sensitive lipase is present in tissues
lipoprotein lipase is present in plasma
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Thank you