The discovery of cholesterol.

definition

Cholesterol is a steroid alcohol found in animal fats and oils, bile, blood, brain tissue, milk, egg yolk, myelin sheaths of nerve fibres, liver, kidneys and adrenal glands.

DISCOVERY

In 1769, the French chemist François Poulletier de la Salle first isolated cholesterol from gallstones by employing the following method…¹ ³

  • First, gallstones were powdered and dissolved in alcohol.
  • Upon warming of the solution, white flakes of cholesterol were formed.

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High purity cholesterol

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discoverer

Here is a portrait of François Poulletier de la Salle:

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(1719-1788)

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