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Damiana

Damiana

Description

Damiana, of the Turneraceae plant family, is an aromatic shrub with small yellow flowers that grows on dry, sunny, rocky hillsides in south Texas, Southern California, Mexico, and Central America. The two species used in herbal healing, both of which are referred to as damiana, are Turnera aphrodisiaca and Turnera diffusa. Damiana usually grows to a height of about 24 in (60 cm). Its pale green leaves, which turn yellow-brown when dried, are 0.51 in (1525 mm) long and quite narrow. They have serrated (jagged) edges. The leaves and sometimes the stems of the plant have medicinal uses. Other names for damiana include old woman's broom, Mexican damiana, pastorata, hierba del venado, oreganello, and the bourrique.

General use

Damiana affects primarily the urinary and reproductive systems. It has been used as an aphrodisiac and to boost sexual potency in men by the native peoples of Mexico, including the Mayan Indians, for thousands of years. It is said to act as a sexual stimulant and produce a feeling of general well being. Damiana is sometimes used in men to treat spermatorrhea, premature ejaculation, sexual sluggishness, and prostate complaints. It is often used in combination with other herbs to treat impotence .

In the past 100 years, damiana has shifted from being primarily a male sexual remedy to also being prescribed for women. In women it is used to treat painful menstruation, menopause disorders, and headaches caused by menstruation.

Today both men and women may use damiana to relieve anxiety , nervousness, and mild depression , especially if these symptoms have a sexual component. The herb is also used as a general tonic to improve wellness. As a general tonic it is said to act as a stimulant, improve circulation, and regulate hormonal activity. Some herbal practitioners also use it as a diuretic. Damiana tonic should be used moderately, and not be taken on a long-term basis.

Damiana has also been used traditionally to improve digestion and to treat constipation , as in larger doses it has a mild laxative effect. Other uses include treatment of asthma, cough and flu, and nephritis. During the 1960s, damiana was touted as a recreational drug. Some users claimed that damiana produced a mild "high" or hallucinogenic effect similar to marijuana that lasts an hour to an hour and a half.

In addition to its medicinal uses, damiana is used in Mexico to flavor liqueurs, tea, and other beverages and foods. It tastes slightly bitter, and the leaves have a strong resinous aroma when crushed. Damiana is approved for food use by the United States Food and Drug Administration (FDA).

Despite its long history and frequent use in many different cultures, scientists have been unable to isolate any active ingredients that would account for damiana's aphrodisiac, stimulant, or hallucinogenic properties. The herb contains a volatile oil that may mildly irritate the genitourinary system. This volatile oil may be at the root of damiana's reputation as an aphrodisiac.

The German Federal Health Agency's Commission E, which was established in 1978 to independently review and evaluate scientific literature and case studies pertaining to herb and plant medications, found no proof that damiana acts either as a sexual stimulant or as a hallucinogen. On the other hand, they also found no proof that damiana was likely to cause harm. A 1999 study on rats conducted in Italy found that extracts of Turnera diffusa had no effect on sexually potent rats, but did increase the performance of sexually sluggish or impotent rats. There have been no clinical trials involving humans.

Preparations

The leaves and occasionally the stems of damiana are used medicinally. They are normally harvested while the plant is in flower and then are dried. Dried leaves turn a yellow-brown color and may be powdered, used in capsules, or steeped in water or alcohol. Damiana is always used internally, never topically.

Traditionally damiana has been prepared as a tea or infusion. Although folk recipes vary, generally about 1 cup (250 ml) of boiling water is added to 1/2 cup (1 g) of dried leaves, and allowed to steep about 15 minutes. One cup of this infusion is drunk two to three times daily. This infusion is slightly bitter and has an astringent quality.

Damiana is also available as a tincture of which 13 ml is taken two or three times a day. If taken in capsule or tablet form, 38 g twice a day may be taken. Damiana is also available in concentrated drops. Damiana is often used in conjunction with other herbs having similar properties, and is often found as an ingredient in herbal mixtures or formulas.

Precautions

Scientific evidence indicates that damiana is one of the safest substances commonly taken for sexual enhancement. It has a long history of traditional medicinal and food use with no harmful consequences reported. It is believed to be unlikely to cause harm or have negative side effects when taken in the designated doses. However, no rigorous scientific studies have examined the effects of long-term use of this herb.

Side effects

Large doses of damiana may cause loose stools because of the herb's laxative properties. Otherwise, no unwanted side effects have been reported.

Interactions

Damiana is often used in combination with other herbs without any negative effects. It is not known to interact with any other herbs or pharmaceuticals, although few, if any, scientific studies have been done on its interactions.

Resources

BOOKS

Peirce, Andrea. The American Pharmaceutical Association Practical Guide to Natural Medicines. New York: William Morrow and Company, 1999.

PDR for Herbal Medicines. Montvale, NJ: Medical Economics Company, 1998.

OTHER

"Damiana." www.rain-tree.com/damiana.htm.

"Turnera diffusa aphrodisiaca." Plants for a Future. http://www.pfaf.org.

Tish Davidson

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damiana

damiana Leaf and stem of Turnera diffiusa var. aphrodisiaca, used as a food flavouring, reputed to have aphrodisiac and antidepressant properties.

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"damiana." A Dictionary of Food and Nutrition. . Encyclopedia.com. 21 Aug. 2017 <http://www.encyclopedia.com>.

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"damiana." A Dictionary of Food and Nutrition. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/education/dictionaries-thesauruses-pictures-and-press-releases/damiana