Herbal plants


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Herbal plants

  1. 1. The Chelsea Physic Garden has cultivated medicinal plants since 1673.
  2. 2. Thousands of years ago , the ancient Egyptians discovered simple ways to extract the active ingredients within plants .Egyptian papyrus manuscripts from 2000B.C. record the use of perfumes ,oils, aromatic oil and gums in the embalming processes . In ancient Greece N the 4th and 5th centuries BC , Hippocrates the father of medicine was already recommending Asparagus and garlic for their diuretic qualities ,poppy for inducing sleep and willow leaves to relieve pain and fever. in the 1st century AD Greek doctor Dioscorides established . The first collections of medical plants has treatise was translated into Arabica and Persian. Centuries later his work was used by the Muslim scholars who influenced great university Particularly at Montpellier Europe's most famous centre for the study botany. In the last 1700s, Carl Wilheim Scheele , a gifted Swedish chemist , obtained tartaric acid from grapes , citric acid From lemons and malice acid from apples .His technique and of others led to the isolation Of the first purified compounds from plants that could be used as drugs.
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  4. 4. Alfalfa Medic ago sativa, also called Lucerne, is a perennial flowering plant in the pea family Fabaceae cultivated as an important forage crop in many countries around the world. The English name alfalfa is widely used, particularly in North America. But in the UK, Australia, South Africa and New Zealand, the more commonly used name is Lucerne. It superficially resembles clover with clusters of small purple flowers followed by fruits spiraled in 2 to 3 turns containing 10-20 seeds
  5. 5. Useful Parts of the Plant ; lifespan that varies from four years to over twenty years. Most when grown alongside other plants and crops. This is one of the have its roots growing up to almost thirty feet into the ground and not usually available at the surface. The plant is known to regrow
  6. 6. However, along with the numerous benefits of alfalfa, like all other herbal products, this plant should also be consumed with care taking into consideration any possible known side effects. One such side effect of the alfalfa plant is that the amino acids that are found in alfalfa may actually worsen the disease lupus.
  7. 7. Aloin, A compound found in the exudates of some aloe species, was the common ingredient in over the counter laxative products in the united states prior to 2003, when the food and drugs administration ruled that aloin was A class III ingredient, thereby banning its use. aloe Vera has Potential toxicity, with side effect occurring at some dose levels both when ingested and applied topically. although toxicity may be less when alone is removed by processing, aloe Vera that contains aloin in excess amounts may induce side-effects. A 2-year national toxicology program study on oral consumption of non-decolorized whole leaf extract of aloe Vera found evidence of carcinogenic activity in male and female rats. The ntp says more information is needed to determine the potential risks to humans
  8. 8. Blueberries are perennial flower ing plants with indigo-colored berries the section Cyanococcus within the genus Vaccinium (a genus that also includes cranberries and bilberr ies). Species in the section Cyanococcus are the most common. fruits sold as "blueberries" and are native to North America (commercially cultivated high bush blueberries were not introduced into Europe until the 1930s).
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