Atropa Belladonna and Scopolamine - PowerPoint PPT Presentation

About This Presentation
Title:

Atropa Belladonna and Scopolamine

Description:

Historical references In Homer s Odyssey, Circe s transformation of Odysseus fellows into pigs is attributed to hallucinations caused by A. belladonna. – PowerPoint PPT presentation

Number of Views:348
Avg rating:3.0/5.0
Slides: 12
Provided by: michellese
Category:

less

Transcript and Presenter's Notes

Title: Atropa Belladonna and Scopolamine


1
Atropa Belladonnaand Scopolamine
  • Michelle Pryce
  • Chemistry 211
  • 13 June 2008

2
Atropa belladonna
  • Scopolamine is derived from the Atropa belladonna
    plant.
  • This plant is commonly known as the Deadly
    Nightshade.
  • The plant is a perennial herbaceous plant that
    can grow to over 5m in height.

3
Atropa Belladonna
  • The leaves are dull, but shiny green. They are
    similar in texture to poison ivy.
  • It produces purple, bell-shaped flowers.
  • The flowers then produce shiny black, sweet
    berries.

4
Atropa Belladonna
  • Atropa belladonna also goes by the following
    other names dwale, banewort, devil's cherries,
    naughty man's cherries, divale, black cherry,
    devil's herb, great morel, and dwayberry.
  • The plant is native to Central and Southern
    Europe, North Africa, and Southwest Asia, it and
    has been successfully cultivated in North and
    South America as well as parts of Russia.
  • It is considered one of the deadliest plant in
    the Western Hemisphere.

5
Toxicity of Atropa Belladonna
  • Atropa belladonna is one of the most toxic plants
    found on Earth.
  • Children have been poisoned by eating as few as
    three berries.
  • Ingestion of a leaf of the A. belladonna can be
    fatal to an adult.
  • The root of the plant is generally the most toxic
    part of the plant. Belladonna leaves, if handled
    carelessly, can cause pus filled blisters on the
    hands.
  • Symptoms of A. belladonna poisoning include
    dilated pupils and blurred vision.
  • Also included are husky voice, hallucinations,
    loss of balance, a feeling of flight, staggering,
    a sense of suffocation, paleness followed by a
    red rash, flushing, extremely dry throat,
    constipation, tachycardia, urinary retention, and
    confusion.

6
Historic Uses of A. belladonna
  • Belladonna is Italian for beautiful lady and
    was used cosmetically for hundreds of years.
  • Belladonna was used by women in order to dilate
    the pupils.
  • This produced a dreamy, intoxicated state that
    was considered the epitome of beauty at one time.
  • However, repeated use caused fuzzy vision and
    eventually blindness.

7
Medicinal uses of A. belladonna
  • Atropine
  • Used in ACLS protocol for symptomatic
    bradycardia.
  • Used to reverse effects of nerve agent in
    chemical poisoning.
  • Used to treat organo-phosphate poisoning.
  • Used by ophthalmologists for pupil dilation in
    eye exams.
  • Scopolamine
  • Used to treat nausea and vomiting.
  • Used to treat motion sickness and vertigo.
  • Used to treat IBS, enterocolitis, and duodenal
    ulcers to stop intestinal spasms.
  • Used in cold/flu medicines to help dry up excess
    mucus

8
Folklore and historical references
  • Some of the first anesthetics, dating back to the
    days of Pliny the Elder (1st century AD), were
    derived from the Atropa family of plants.
  • Witches Brew
  • A tea made from the leaves of the plant produce
    hallucinations in which the drinker thinks he
    thinks he is flying.
  • Devils Cherries
  • According to folklore, the devil has exclusive
    right to use the plant in any form.
  • Anyone who uses the plant without the devils
    permission will be visited and killed by the
    devil.

9
Historical references
  • In Homers Odyssey, Circes transformation of
    Odysseus fellows into pigs is attributed to
    hallucinations caused by A. belladonna.
  • Belladonna is the plant that poisoned the troops
    of Marcus Antonius during the Parthian wars.
  • According to the History of Scotland (1582),
    Macbeth poisoned an entire army with a drink
    containing an infusion of belladonna and alcohol.
  • Juliet of Romeo and Juliet took an infusion of
    belladonna to produce her death-like sleep.
  • Mentioned in Little Women as a sleeping aid.
  • Mentioned in the movies The Nightmare Before
    Christmas, Perfect Stranger, Robocop 2, and
    Practical Magic as ways to sedate or kill a
    nemesis and in the TV shows CSI and House as a
    way to commit criminal activities.

10
Scopolamine
  • The name Scopolamine is derived from Dr. J A
    Scopoli, a chemist, naturalist, and instructor of
    chemistry and metallurgy, who isolated some
    beneficial properties of A. belladonna while
    working in Slovenia in the 1750s and 1760s.
  • Dr. Scopoli was also a physician who was assigned
    to treat miners in the mines of Slovenia.
  • He was trying to isolate a cure for mercury
    poisoning when he isolated the derivative of
    scopolamine.
  • He did not find a cure form mercury poisoning,
    however, scopolamine is a very useful drug.
  • Today, it is used medicinally for treatment of
    motion sickness, gastrointestinal cramping, and
    recovery from anesthesia and surgery.

11
Other uses of scopolamine
  • 1940-1960s- used by obstetrics in combination
    with morphine a to produce a tranquilized
    twilight sleep for mothers in labor.
  • Used in 1950s by CIA and others in Project
    MKULTA, as an interrogation drug.
  • Used in 1950s and 60 in Asthmador, a drug to
    treat asthma and bronchitis.
  • Used up to 1990 as OTC sleep aid.
  • Used today illegally as date rape drug in
    Colombia and Thailand.
Write a Comment
User Comments (0)
About PowerShow.com