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Medicine from Plants. History. Throughout human history, people have learned to use plants to help heal themselves. Many cultures have folk medicine traditions that include the use of plants and plant products . Many drugs used today originated in the herbal traditions of various cultures.
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History • Throughout human history, people have learned to use plants to help heal themselves. • Many cultures have folk medicine traditions that include the use of plants and plant products. • Many drugs used today originated in the herbal traditions of various cultures.
Preventing disease • Plants have an important role in the prevention of disease for humans. Without fruits and vegetables we would not get the proper vitamins (vitamin A, C and E) to prevent disease
Herbal Medicine • Today we are using traditional herbal medicines more and more. Take a look at Boots and you will find a number of herbal medicines on the shelves: - Saint Johns Wort- treats depression - Bill Berry- improves blood flow - Ginger root- immune system - Ginseng- energy enhancement Ginseng- Found in S. E. Asia
Illegal drugs • The early Chinese and Greek pharmacies included opium to prevent pain. • Hindus used the cannabis (marijuana) plants as anesthetics. • Some of these plants are highly addictive and therefore are illegal for non-medical purposes Cannabis
Rainforests and Drugs • The high species diversity makes rain forests highly prized for new medicinal drugs. • Drugs that originated in the rain forest range from early forms of the birth control pill to highly specialized medicines derived from the Madagascar rosy periwinkle which is used to treat cancer. • Discovered drugs represent a fraction of the potential medicines the rain forests may hold
Some examples (don’t need to copy this down)
Foxglove Plant The flowers of the foxglove contain chemicals that affect heartbeat and pulse
Ipaces This plant is used to make patients vomit if they have ingested something poisonous
Homework • Find a traditional Thai drug that is derived from plants or plant products. • Think of the traditional hill tribes and how they use the surrounding plants.
Garlic (Kra Thiam) BY JAY M.6 #6(sci)
CHaRacterisTIcs • An indispensable ingredient in Thai cuisine. • Annual herbaceous plant • Has underground bulbs comprising several cloves. It is available in different varieties, some with very white papery skin, some with pink, some with pink and white skin and some creamy in color.
Usefulness • Dried mature bulbs are used as a flavoring and condiment in Thai cuisine. Garlic oil can be made by chop a handful of garlic, and fry it in plenty of hot oil until golden. They can be stored in a jar for garnishing soup and for tossing with noodles and rice. The bulbs contain a 0.1-0.36% garlic oil and organic sulfur compounds. • Therapeutic uses - antimicrobial, diaphoretic, diuretic, expectorant, ant flatulence and cholesterol lowering agents.
Asiatic Pennywort : It is a small, annual, slender, creeping herb. It has long-stalked, green reniform leaves with rounded apices that have smooth texture with palmately netted veins. The stems are creeping in nature, green to reddish green in color, interconnecting one plant to another. The flowers are pinkish to red in color, born in small, rounded bunches near the surface of the soil.
Each flower is partly enclosed in 2 green bracts. The hermaphrodite flowers are minute in size (less than 3 mm), with 5-6 corolla lobes per flower. Each flower bears 5 stamens and 2 styles. Pennywort's rootstock consists of rhizomes, growing vertically down. They are creamish in color and covered with root hairs. Fruits are small and flattened.
MedicinalUses • It has been used for wound healing, better circulation, memory enhancement, cancer, vitality, general tonic, respiratory ailments, detoxifying the body, treatment of skin disorders (such as psoriasis and eczema), revitalizing connective tissue, burns and scars treatment, clearing up skin infections, slimming and edema, arthritis, rheumatism, treatment of liver and kidneys, periodontal disease, strengthening of veins (varicose veins), blood purifier, high blood pressure, sedative, anti-stress, anti-anxiety, an aphrodisiac, immune booster, anabolic and adaptogen etc.
Andrographis paniculata (Burm.F.) Nees(ฟ้าทะลายโจร) By : N@t
Introduction… • Scientific Name: Andrographis paniculata (Burm.f.) Nees • Family Name: ACANTHACEAE • Other Common Name: Andrographis, Chuan Xin Lian, Kan Jang (Chinese), Kalmegh (Bengali, Hindi), King of Bitters.
What’s more >.< • Habitat: Sometimes grown in gardens for medicinal uses.It prefers rich loamy soil. It flowers frequently and can be spreaded from stem-cuttings or seeds. • Physical Description: A small tender herb to 70cm tall with many branches. Stems squarish and generally light green. Leaves elliptic with acuminate tips. Pods to 1.7cm long, 2-celled, containing 12 seeds.
Medicinal Use • A decoction of the leaves is often taken orally to cure diabetes and to reduce high blood pressure. A leaf poultice is applied topically to relieve skin irritation and insect bites. • treatment of upper respiratory infections such as the common cold
Toxicity • andrographis has not been associated with any major side effects. • No problems were found in patients treated with 1200 mg/day of andrographis. • Taking large oral doses of andrographis may cause gastric discomfort, vomiting, and loss of appetite .
Holy Basil, Sacred Basil Scientific name:Ocimum tenuiflorum Linn., Ocimumsanctum Linn. Family name:Labiatae
Properties • Its traditional use has been in the treatment of colds and flues where its purifying actions are believed to cleanse the respiratory tract of toxins. • It is also helpful in the relief of digestive gas and bloating. • Recent scientific reports have confirmed the healing properties of holy basil in medical conditions ranging from diabetes to cancer.
