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Ginseng, American

Ginseng, American

Description

American ginseng, scientific name Panax quinquefolius, is a close relative of Korean ginseng (Panax ginseng ), and belongs to the Araliaceae family, which is the same as Siberian ginseng (Eleutherococcus senticosus ). It is a perennial herb, distinguished by its dark green leaves and clusters of red berries, that grows wild in eastern North America. The root of the plant is used medicinally, particularly in China, where traditional Chinese medicine places a high value on it.

Of the traditional ginsengs, American ginseng is probably the least used and researched variety. Americans have never been large consumers of American ginseng. In the past, American ginseng was an uncommon folk remedy used as a mild stimulant, tonic, and digestive aid. Most of this herb was exported to China, where most ginseng is consumed. American ginseng is considered a less potent member of the ginseng family, but it is a highly prized tonic and herbal remedy.

American ginseng was used medicinally by many Native American tribes as a health stimulant and sexual tonic and for various health problems including headaches, female infertility , digestive problems, fever , and earache . American ginseng was introduced by Native Americans to European settlers in North America in the early 1700s. A French Jesuit priest named Jartoux had traveled through China and was convinced of the medicinal powers of Korean ginseng. In 1714, he published a paper in Britain about Korean ginseng and its healing powers, and theorized that the plant may grow wild in the favorable climate of North America. Another Jesuit missionary in Canada, Joseph Lafitau (1681-1746), read the article and began searching the woods near his dwelling. Lafitau found American ginseng plants, which bear a close resemblance to their Asian cousins, and sent samples of them to China. A thriving trade of American ginseng began around 1718, it was sent to the Orient, gathered by Native Americans, French fur traders, and early frontiersmen including Daniel Boone.

American ginseng grows wild in the forests of the eastern United States and southeastern Canada. It grows in shady, moist and hilly regions, but the plant is becoming increasingly scarce due to over-harvesting and logging practices. In Kentucky, Tennessee, Virginia, and Illinois, American ginseng holds status as a threatened or an endangered species. Some botanists believe that pollution and a thinning ozone layer are contributing to its decline. Efforts at protecting wild American ginseng have not been successful, as the demand for it in the Far East makes it a lucrative crop for poachers. It sometimes sells for as much as $600-800 per pound.

The majority of American ginseng on the market is now cultivated, although it is a sensitive plant and difficult to farm. In the United States, Wisconsin grows 80% of the American ginseng crop. Canada grows more American ginseng than any country, and is second only to China in total ginseng production.

Scientific research

The majority of research performed on ginseng has been done on the Korean and Siberian varieties. Clinical and chemical research on American ginseng is yet to be done. One reason for this is the American medical establishment's skepticism of herbal remedies.

American ginseng is classified as an adaptogen, which is a substance that helps the body adapt to stress

and improves immune response. Adaptogens must also be non-toxic and cause no major physiological changes or side effects. American ginseng root has an array of complex chemicals, and scientists have determined that the active ingredients are saponin triterpenoid glycosides, or chemicals commonly called ginsenocides. American ginseng contains nearly 30 ginsenocides. However, American ginseng has been found to contain higher levels of ginsenocide Rb1, which has a sedative effect on the central nervous system, than other species of ginseng. Thus, scientific research has been consistent with Chinese herbalists' claims that American ginseng is less stimulating than Korean ginseng. The research implies that American ginseng can provide the strengthening and immune-enhancing effects of other ginseng without overstimulation to those people with high levels of stress and mental stimulation. American ginseng may be the best ginseng for Americans, whose fast-paced and energetic lifestyles may call for more calming and balancing herbs.

General use

American ginseng can be used by those people who seek the adaptogenic effects (toning, strengthening, and immune enhancing effects) of Panax ginseng without the highly stimulating aspects. Chinese herbalists consider American ginseng to be a cooling herb, so it can be used as a tonic and immune strengthener for people who are over-stressed or suffer from hot conditions like high blood pressure, excess nervous energy, or ulcers. American ginseng, according to Chinese herbalists, is more suitable and balancing for women and children than Panax ginseng, and is more applicable for the elderly who wish to avoid stimulants. American ginseng is also used in Chinese medicine for chronic fevers; to aid in the recovery of infectious diseases; for strengthening the lungs in cases of tuberculosis, bronchitis and asthma ; and for the loss of the voice associated with respiratory disorders.

Preparations

American ginseng can be purchased as whole roots, powder, capsules, or a liquid tincture. For whole roots, wild ginseng is the highest quality and also the most expensive. Also available are organically grown cultivated roots, which are free from pesticides and chemicals. The easiest way to prepare ginseng roots is to make a tea from them. Ginseng roots are very hard and brittle. They should be sliced and simmered in water for 45 minutes or longer to extract the majority of ginsenocides. Experts recommend avoiding metal pots, which can reduce its antioxidant properties. Some herbalists recommend boiling ginger or licorice root with American ginseng to increase its effectiveness. For each serving of tea, two or more teaspoons of ginseng root are recommended.

Ginseng root can also be made into a tincture using alcohol, as ginsenocides are soluble and well-preserved in alcohol. Vodka or clear alcohol can be used, and the ginseng roots should be chopped finely or put in a blender with the alcohol. Enough alcohol should be used to completely saturate and cover the roots, and the solution should be kept in a sealed glass bottle for a month or longer. The solution should be shaken frequently to promote the extraction process. The liquid can be strained from the roots after distilling, and kept for up to three years. Half a teaspoon or more of the solution can be taken as a daily serving.

Ginseng powder is also available and can be made into tea or taken with water or juice. One half to one teaspoon is recommended per serving. Extracts of American ginseng are also available, in liquid or tablet form, some of which offer standardized quantities of ginsenocides. Packages of standardized products should be labeled with the appropriate dosage.

American ginseng is usually taken two to three times per day between meals. It should not be taken continuously for long periods of time, unless prescribed by a doctor.

Precautions

Pregnant women should use American ginseng only under a doctor's orders and avoid any products that contain Panax ginseng.

Consumers should assure that the American ginseng product they purchase is a reputable one. Because of the high price and demand of American ginseng, some questionable products are on the market. Generally, wild American ginseng is of higher quality than the cultivated plant, and the older and larger the root, the higher the quantity of ginsenocides present. In addition, consumers should be careful not to confuse American ginseng with Panax ginseng, which has been shown to produce more serious adverse side effects. A 2002 report stated that the effects of Panax ginseng seemed more likely when the herb was used in combination with other products than when it was used alone.

Side effects

In general, American ginseng is gentle and side effects are rare. Side effects may occur with American ginseng when taken in the wrong dosages, over too long a time, or by people whose constitutions, allergies , or health conditions disagree with the herb. Also, products combining Korean ginseng with American ginseng may increase the chances for side effects.

Interactions

Due to the lack of research done on American ginseng, no known interactions are reported.

Resources

BOOKS

Duke, J.A. Ginseng: A Concise Handbook. Algonac, MI: Reference Publications, 1989.

Foster, S. and Y. Chongxi. Herbal Emissaries. Rochester, VT: Healing Arts Press, 1992.

Fulder, Stephan. The Book of Ginseng and Other Chinese Herbs for Vitality. Rochester, VT: Healing Arts Press, 1993.

Hobbs, Christopher. Ginseng: The Energy Herb. Loveland, CO: Botanica Press, 1996.

PERIODICALS

Walsh, Nancy. "Adverse Events Seen with Ginseng Combinations. (Post Menopausal Bleeding, Agracnulocytosis)." OB GYN News (March 1, 2002):24.

ORGANIZATIONS

American Botanical Council and Herb Research Foundation. HerbalGram. P.O. Box 144345, Austin, TX 78714-4345. (800) 373-7105. http://www.herbalgram.org.

New York Ginseng Association. P.O. Box 127, Roxbury, NY 12474. (607) 326-3005.

Douglas Dupler

Teresa G. Odle

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Ginseng, American

GINSENG, AMERICAN

GINSENG, AMERICAN, Panax quinquefolium, which grew in the Hudson Valley and elsewhere, was at first regarded as a weed. It resembled a root native to Korea and northern China, to which the Chinese imputed extraordinary but wholly imaginary therapeutic and pharmacological properties. On 22 February 1784, Robert Morris dispatched to China the Empress of China from New York with American ginseng. The voyage netted $30,000. The owners, as Morris wrote to John Jay, hoped "to encourage others in the adventurous pursuit of commerce." Subsequent trade with China in ginseng boomed, and was restricted only by the limited quantities of American ginseng available. About 1790, the fur trade of the Pacific coast largely displaced the ginseng trade as the principal trade good that Americans used to obtain silks and teas from China, although the ginseng trade continued into the twentieth century. In the early 2000s, Wisconsin was the principal producer.

BIBLIOGRAPHY

Christman, Margaret. Adventurous Pursuits: Americans and the China Trade, 1784–1844. Washington, D. C. : Smithsonian Institution Press, 1984.

Dulles, Foster R. The Old China Trade. Boston; New York: Houghton Mifflin, 1930; New York: AMS, 1970.

Frank EdwardRoss/c. w.

See alsoAgriculture ; China Trade ; Medicine, Alternative .

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"Ginseng, American." Dictionary of American History. . Retrieved August 18, 2017 from Encyclopedia.com: http://www.encyclopedia.com/history/dictionaries-thesauruses-pictures-and-press-releases/ginseng-american