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• Tobacco leaves
• Coca plant names.
• Description plant origin.
• Biochemical constituents.
• Uses.
• Smoking side effects.
• Medications.
• Bearberry leaves
• Names.
• Description origin.
• Constituents.
• Uses medications.

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Tobacco
Tubular flowers
oval and simple
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Tobacco
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Tobacco leavesFolia Nicotianae

• Nicotiana tabacum
• Nicotiana rustica
• Family Solanaceae

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• Perennial tall herb .
• The flowers are tubular pink , yellow or red
  colored .
• The leaves are oval and simple.
• Tobacco plant is sensitive to the physical
  chemical properties of the soil
  (Nitrogenphosphates).
• Odor characteristic .
• Taste slight pungent characteristic .
• Origin USA then cultivated in many tropical
  regions.

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Chemical constituents

• Alkaloids pyridine group (4-6) main compound is
  Nicotine (0.6-0.9).
• Carbohydrates 50
• 1-sucrose
• 2- starch
• 3-cellulose

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Uses

• Potent insecticide .
• Used to stop smoking habit .
• Nicotine has anorexic effect .
• CNS stimulant then inhibitor.
• Cause physical and physiological dependence .

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Smoking side effects

• Nervous depression.
• Lips and lung cancer.
• Liver disease.
• Sleeplessness.
• Weakness.
• Cardiac diseases.

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Drugs
Nicorette Chewing gum
Nicotinell Adhesive patches
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1)small 2)shiny 3)spatulated
Red berry
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Bearberry leavesFolia Uvae-ursi

• Arctostaphylos uva-ursiFamily Ericaceae

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Description

• Perennial small ,evergreen trees with rose
  colored flowers and red fruits (berries).
• The leaves are 1)small 2)shiny
  3)spatulated
• Odor odorless.
• Taste astringent and bitter.
• Origin
• Central and Northern Europe

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• Chemical constituents
• Glycoside -phenolic group Arbutin
• Tannins
• a) Pseudotannin (gallic acid ellagic
  acid)
• b) True tannin or glycosidal tannin
• Tannic acid or called corilagin or
  called
• trigallyol glucose .

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Uses

• Urinary tract antiseptic.
• Diuretic (astringent properties).
• An ingredient in weight reduction preparations.
• An ingredient in laxative preparations as GIT
  antiseptic.
• Drugs
• 1.An ingredient in Jungborn laxative tea.
• 2. Uva-ursi dried leaves powder (orally).

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