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ASPIRIN
Aspirin, or acetylsalicylic acid is a
minor aches and pains),
minor aches and pains),
• The Greek physician
Hippocrates wrote in the
5th C BC about a bitter
powder extracted from
willow bark that could
ease aches & fevers.
Hippocrates wrote in the
5th C BC about a bitter
powder extracted from
willow bark that could
ease aches & fevers.
• The active extract of the bark,
called salicin, was isolated in 1828.
called salicin, was isolated in 1828.
• Salicylic acid (the actual cmpd
that is active in salicin) was
esterified to form Aspirin in 1897.
that is active in salicin) was
esterified to form Aspirin in 1897.
salicylic acid aspirin
