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Plant products

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Sensation a result of taste and smell. Early spice trails brought wealth to the ... Jimson weeds (Datura), belladonna - deadly nightshades (Atropa), henbanes ... – PowerPoint PPT presentation

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Title: Plant products


1
Plant products
  • Proteins, carbohydrates, fats, . . .
  • Secondary compounds
  • natural dyestuffs, gums, resins, flavorings,
    essential oils, and alkaloids

2
Spices
  • Our definition plant part such as a seed, stem,
    or root.
  • Around 50 spices/herbs in supermarkets
  • Sensation a result of taste and smell
  • Early spice trails brought wealth to the
    Mediterranean
  • Trails were well established by 400 B.C.

Nutmeg Mace
Bay leaf tree
3
Nabateans
  • Controlled the spice routes, exacting tolls
  • Routes later ruled by the Romans

4
Romans
  • Shipped from Aeden to India and cut transport
    time from two years to one
  • Use of spices in Rome sharply increased
  • Expanded to Northern Europe created increased
    demand
  • Aleric (Goth) - peppercorns as tribute

5
Muslims
  • Expanded as Rome lost power
  • Invented distillation
  • Crusades partly to procure spices and eastern
    riches
  • Jerusalem freed in 1099 - Europe exposed to
    undreamed of riches

6
Sea route
  • Portugal (Henry the Navigator)
  • route around the Cape of Good Hope
  • New world exploration included search for spices
  • Columbus Allspice, red peppers, tobacco
  • Dutch took over by the 1600s
  • British and Dutch fought over routes until a
    treaty in 1824

7
Opium alkaloids
  • Exudate of the opium poppy (Papaver somniferum)
    capsule
  • Include morphine, codeine, and thebaine
  • Chemists altered the morphine molecule to produce
    heroin (1898)
  • was used in cough medicines

8
Opium Wars (1839-1842)
  • Britain financed trade for tea, silks, spices,
    and porcelain with opium from India.
  • Chinese emperor in 1839 seized the opium stored
    in Canton and destroyed it.
  • Punitive action took 500 British and 30,000
    Chinese lives
  • Cost of war to be born by China
  • 21 million indemnity to Britain
  • Hong Kong to become Crown colony

9
The Quina tree (Cinchona officinalis)
  • Bark holds a cure for Malarial fevers (quinine)
  • Jesuits developed a monopoly which became
    official in 1650.
  • Use of powder fell out of favor along with the
    Jesuits
  • Robert Talbot cured Charles II, Louis XIV
    family, Queen of Spain, and others

10
White lady of Peru
  • Erythroxylon coca - large shrub or small tree
  • Mature plants leaves stripped several times/yr.,
    brings 1 million in street value of cocaine/acre
  • Part of South American Indians culture for at
    least 2000 years.
  • Inca population from 10 million to 4 million over
    about 100 years.

11
Erythroxylon coca
12
Tomato family (Solanacea)
  • Jimson weeds (Datura), belladonna - deadly
    nightshades (Atropa), henbanes (Hyoscyamus), and
    mandrakes (Mandragora)
  • Tropine series of alkaloids
  • Atropine - central nervous system depresses
    paraympathetic
  • Scopolamine - for sea sickness truth serum
  • Hyoscyamine - relatively low dose is fatal
  • Plant products used as poisons and cosmetics
  • Datura
  • Belladona

13
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