Lec.No. 15.
Selected Medicinal Plants
19-. Matricaria recutita
Syn Chamomilla recutita
Asteraceae
German Chamomile
البابونج
Introduction:
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German chamomile's aromatic, slightly bitter taste is familiar to herbal tea drinkers.
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The herb's varied medicinal uses, however, are not as well known.
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It is an excellent herb for many digestive disorders and for nervous tension and irritability.
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Externally, it is used for sore skin and eczema.
Plant Descriptions:
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A sweetly aromatic annual growing to 60 cm.
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With finely cut leaves and white flower heads.
Habitat and Cultivation:
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German chamomile grows in much of Europe and other temperate regions.
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Flower heads are picked in full bloom, in summer.
Parts used: fresh and dries flower head
-They should be picked on the day they open, when the active constituents are at their strongest
Active Constituents:
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Volatile oil (proazulenes, farnesine, alpha-bisabolol, spiroether).
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Flavonoids (anthemidin, luteolin, rutin)
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Bitter glycosides (anthemic acid)
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Coumarins
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Tannins
Key Actions
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Anti-inflammatory
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Antiallergenic
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Antispasmodic
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Relaxant
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Carminative
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Mild bitter
Traditional and Current Uses:
-German chamomile has been taken for digestive problems since at least the 1st century AD.
-Gentle and efficacious, it is very suitable for children.
-The herb is valuable for pain, indigestion, acidity, gas, gastritis, bloating, and colic.
-It is also used for hiatus hernia (فتق الحجاب الحاجز), peptic ulcer, and irritable bowel syndrome.
-German chamomile, which contains spiroether, a strong antispasmodic, eases tense muscles and menstrual pain.
-It also relieves irritability and helps sleep, especially in children.
-German chamomile is useful for hay fever and asthma.
-The proazulenes (volatile oil) produce chamazulene on steam distillation, which is anti-allergenic.
-Externally, it can be applied to itchy skin, eczema, and sore nipples.
-This herb also relieves eyestrain (حسور العين).
Research:
-A cream made from German chamomile was tested in 1987 for its ability to heal wounds and produced very positive results.
-In 1993, a trial using German chamomile and 4 other herbs showed them to be most effective at easing infantile colic.
Related Species: Matricaria aurea Golden Chamomile بابونج بلدي
20 – Mentha x piperita
Family Lamiaceae (Labiatae)
Peppermint النعناع الفلفلي
Introduction
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Dried leaves of peppermint were found in Egyptian pyramids dating from about 1000 BC.
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It was highly valued by the Greeks and Romans but only became popular in Western Europe in the 18th century.
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Peppermint's chief therapeutic value lies in its ability to relieve gas, flatulence, bloating, and colic, although it has many other applications.
Plant Description
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A strongly aromatic, square-stemmed annual, growing to 80 cm, with serrated leaves.
Habitat & Cultivation:`
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Peppermint is grown commercially and in gardens throughout Europe, Asia, and North America.
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Peppermint harvested just before it flowers in summer, in dry sunny weather.
Active Constituents:
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Volatile oil (up to 1.5%), including:
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Menthol (35—55%).
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Menthone (10-40%).
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Flavonoids (luteolin, menthoside)
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Phenolic acids
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Triterpenes.
Parts used: fresh or dries aerial parts.
Key Actions:
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Carminative
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Relieves muscle spasms
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Increases sweating
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Stimulates secretion of bile
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Antiseptic
Traditional and Current Uses:
-Peppermint is excellent for the digestive system, increasing the flow of digestive juices and bile and relaxing the muscles of the gut.
-It reduces colic, cramps, and gas, and helps to soothe an irritated bowel.
-In soothing the lining and muscles of the colon, it helps diarrhea and relieves a spastic (مشلول) colon (often the cause of constipation).
-Applied to the skin, peppermint relieves pain and reduces sensitivity.
-It also relieves headaches and migraines linked to digestive weakness.
-Diluted oil is used as an inhalant (مستنشق) and chest rub for respiratory infections.
-The whole herb is important for digestive infections.
Research:
-Research has shown that the volatile oil is strongly antibacterial.
-Menthol (a constituent of the oil) is antiseptic, antifungal, cooling, and anesthetic to the skin, although it is also an irritant.
-The whole plant has an antispasmodic effect on the digestive system.
-Clinical trials in Denmark and Britain during the 1990s have confirmed its value in the treatment of irritable bowel syndrome.
Remedy for gas bloating:
Make an infusion, and drink up to 5 cups a day
21-Nigella sativa
Family Ranunculaceae
Black Cumin قزحه
Plant Description:
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Annual herb growing to 30 cm.
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Has an upright branching stem, fine deeply cut leaves, gray-blue flowers, and toothed seed pods.
Habitat & Cultivation:
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Native to western Asia.
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Black cumin is grown throughout much of Asia and the Mediterranean region for its seeds and as a garden plant.
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The seeds are gathered once they are ripe.
Parts used: seeds.
Active Constituents:
-40% fixed oil.
-Saponin (melantin)
-Up to 1.4% volatile oil.
History and Folklore:
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Black cumin was found in the tomb of Tutankhamun, but its role in ancient Egypt, medicinal or otherwise, is unknown.
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Dioscorides recorded that black cumin seeds were taken to treat:
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Headaches,
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nasal congestion احتقان
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toothache,
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intestinal worms,
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And, in large quantities, as a diuretic, a promoter of menstruation, and to increase breast-milk production.
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In our country it is used to treat heart diseases, blood pressure, hypercholesterolemia and sexual weakness, lactation deficiency, general weakness, common cold, inflammation and skin diseases.
Medicinal Action & Uses:
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Like many culinary herbs, black cumin seeds benefit the digestive system, soothing stomach pain and and easing gas and colic.
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The seeds are also antiseptic and are used to treat intestinal worms, especially in children.
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The seeds are much used in India to increase breast milk.
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