|
|
Herb
Information |
|
|
Equisetum
arvense |
|
Name |
Horsetail |
Biological
Name |
Equisetum arvense, Equiseti hiemalis, Mu zei
Equisetaceae
|
Other Names |
Shave grass, scouring rush, equisetum, pewterwort, corncob plant,
bottle brush, Horsetail
|
Parts Used |
stems, leaves (grass). |
Active Compounds |
Horsetail is very rich in silicic acid
and silicates, which provide approximately 2-3% elemental silicon.
Potassium, aluminum, and manganese along with fifteen different types
of bioflavonoids are also found in the herb. The presence of these
bioflavonoids are believed to cause the diuretic action, while the
silicon content is said to exert a connective tissue-strengthening
and anti-arthritic action.
Some experts have suggested that the element silicon is a vital
component for bone and cartilage formations This would indicate
that horsetail may be beneficial in preventing osteoporosis.
Anecdotal reports suggest that horsetail may be of some use in
the treatment of brittle nails.
The constituents are:
Alkaloids, including nicotine, palustrine and palustrinine
Flavonoids such as isoquercitrin and equicetrin
Sterols including cholesterol, isofucosterol, campesterol.
Silicic acid.
Misc: a saponin equisitonin, dimethylsulphone, thiaminase &
aconitic acid.
|
History |
Since it was recommended by the Roman physician
Galen, several cultures have employed horsetail as a folk remedy for
kidney and bladder troubles, arthritis, bleeding ulcers, and tuberculosis.
Additionally, the topical use of horsetail is said to stop the
bleeding of wounds and promote rapid healing. The use of this herb
as an abrasive cleanser to scour pots or shave wood illustrates
the origin of horsetail's common names-scouring rush and shave grass.
|
Remedies
For |
Astringent, diuretic, vulnerary, diaphoretic
Horsetail is useful for:
Brittle nails
Osteoarthritis
Osteoporosis
Rheumatoid arthritis
Water retention
Arthritis:
Horsetail absorbs gold dissolved in water better than most plants,
as much as 4 ounces per ton of fresh stalks. Small amounts of gold
is found useful for the treatment of rheumatoid arthritis, and the
Chinese used horsetail for this disease.
Diuretic:
Horsetail contains a weak diuretic chemical lending support to its
traditional use as a urinary stimulant.
Horsetail is also useful for water retention.
Horsetail is an excellent astringent for the genito-urinary system,
reducing hemorrhage and healing wounds thanks to the high silica
content. It acts as a mild diuretic. It is also invaluable in the
treatment of incontinence and bed wetting in children. It is considered
a specific in cases of inflammation or benign enlargement of the
prostate gland. Externally it is a vulnerary. In some cases it has
been found to ease the pain of rheumatism and stimulate the healing
of chilblains.
Combinations :
Horsetail is often combined with Hydrangea in the treatment of prostate
troubles.
Traditional Chinese Medicine:
Chinese medicine uses horsetail for such ailments as bloodshot eyes
and conjunctivitis. Because it is rich in trace minerals, it is
excellent as a semi-regular tonic.
DO NOT USE THIS HERB FOR EXTENDED PERIODS OF TIME.
|
Description |
Horsetail is widely distributed throughout the temperate climate
zones of the northern hemi-sphere, including Asia, North America,
and Europe.
Horsetail is a unique plant with two distinctive types of stems.
One variety of stem grows early in spring and looks like asparagus,
except for its brown color and the spore-containing cones on top.
The mature form of the herb, appearing in summer, has branched,
thin, green, sterile stems and looks very much like a feathery tail.
Horsetail is the sole descendant of the giant fernlike plants that
covered the earth some 200 million years ago. The herb's creeping
rhizome sends up hollow, jointed, virtually leafless, bamboo-like
stalks that reach 6 feet. At the ends of the stacks, spore-bearing
structures develop which resemble horsetails, corncobs, or bottle
brushes.
|
Dosage |
Horsetail can be taken daily as a tea at
1-4 grams per day.
Infusion: pour a cup of boiling water onto 2 teaspoonfuls of the dried
plant and let infuse for l5-20minutes.. This should be drunk three
times a day.
Bath: A useful bath can be made to help in rheumatic pain and chilblains.
Allow l00 grams (3 l/2 ounces of the herb to steep in hot water
for an hour. Add this to the bath.
Tincture: take 2-6 ml of the tincture three times a day.
|
Safety |
This herb should not be used by pregnant
women, those who are weak, or those with excessive dryness or frequent
urination.
Horsetail is generally considered safe for non-pregnant adults
at the recommended dose. The only concern would be that the correct
species of horse-tail is used; Equisetum palustre is another species
of horsetail, which contains toxic alkaloids and is a well-known
livestock poison. FDA rates horsetail as a herb of undefined safety.
The Canadian Health Protection Branch requires supplement manufacturers
to document that their products do not contain the enzyme thiaminase,
found in crude horsetail, which destroys the B vitamin thiamin.
Since alcohol, temperature, and alkalinity neutralize this potentially
harmful enzyme, tinctures, fluid extracts, or preparations of the
herb subjected to 100 degreeC temperatures during manufacturing
should be the preferable form of the plant utilized for medicinal
use.
Horsetail is relatively high in selenium. Too much selenium may
cause birth defects. In marshes downstream from heavily fertilized
agricultural areas, horsetail may be hazardously high in selenium.
Pregnant women should avoid this herb.
Equisetine, a chemical contained in horsetail, in large amounts
is a nerve poison. Don't let children play with the stems. Ingesting
the juice has reportedly caused reactions in children.
|
|
|
|
Medicinal
Plants
|
List of Medicinal
Plants A - L |
|
|
|
|
|
|
|