Medicinal Herbs, Edible Plants, Descriptions. How to Grow, Find and Use Wild Herbs.

St. John's Wort

St. John's Wort Herbal Use and Medicinal Properties  

There are 400 species of St. John's Wort found throughout the world, it has been used as a medicinal for thousands of years, but has only recently been studied for its medicinal value. Now proven to have many highly active compounds including rutin, pectin, choline, sitosterol, hypericin and pseudohypericin. The flowers and leaves are medicinal as analgesic, antiseptic, antispasmodic, aromatic, astringent, cholagogue, digestive, diuretic, expectorant, nervine, resolvent, sedative, stimulant, vermifuge and vulnerary. Some compounds of the plant have been shown to have potent anti-retroviral activity without serious side effects and they are being researched in the treatment of AIDS.Hypericum perforatum is thought to be a mild antidepressant of the class "MAO inhibitor." The mechanism by which St. John's Wort acts as an antidepressant is not fully understood. Early research indicated that this it mildly inhibits the enzyme monoamine oxidase (MAO). MAO is responsible for the breakdown of two brain chemicals - serotonin and nor epinephrine. By inhibiting MAO and increasing nor epinephrine, it may exert a mild anti-depressive action. The antidepressant or mood elevating effects of Hypericum perforatum were originally thought to be due solely to hypericin, but hypericin does not act alone, it relies on the complex interplay of many constituents such as xanthones and flavonoids for its antidepressant actions. Hypericum perforatum may also block the receptors that bind serotonin and so maintain normal mood and emotional stability.

    Hypericum perforatum is used in treating a wide range of disorders, including pulmonary complaints, bladder problems, diarrhea and nervous depression. It is also very effectual in treating bed wetting in children. It has a sedative and pain reducing effect, it is especially regarded as an herb to use where there are menopausal changes triggering irritability and anxiety. In addition to neuralgic pain, it will ease fibrosistis, sciatica and rheumatic pain. The oil extract of the plant can be taken for stomach ache, colic, intestinal problems, and as an expectorant for the congestion in the lungs. Externally, a medicinal infusion of the flowers in olive oil is applied to wounds, sores, burns, ulcers, swellings, cramps, rheumatism, tumors, caked breasts, and other skin problems. It is also valued in the treatment of sunburn and as a cosmetic preparation to the skin. Persons with fair skin should avoid exposure to strong sunlight and other sources of ultraviolet light, such as tanning beds, while taking St. John's Wort. These individuals may suffer a dermatitis, severe burning, and possibly blistering of the skin. The severity of these effects will depend on the amount of the plant consumed and the length of exposure to sunlight.

Hypericum perforatum

St. John's Wort flower herb for depression

Photos by Karen Bergeron copyright 2002

Other Names: Spotted St. John's wort, Hypericum, Klamath Weed, Touch-and-heal, Goat weed, Rosin Rose

Caution St. John's Wort may interfere with other medications. Consult your physician before use if you are taking any prescription medications. Can cause problems with certain anesthesia, so notify your physician before surgery if you take St. John's Wort.

Habitat   St. John's Wort is a perennial herb native to North America and Canada from Nova Scotia, Ontario Quebec south to the United States, eastern states. Found growing in open sunny or partial shady areas, along roadsides in dry, gravelly soils. Cultivation    St. John's Wort is easy to grow from seed or root division in spring or autumn, in any well-drained but moisture retentive soil. Succeeds in dry soils, prefers sun or semi-shade.

Description    A woody branched root system produces many round, erect, stems branching at the leaf axis, which are covered with dark red dots, stems are solid dark red at base. Growing to a height of 1 to 3 feet, The leaves are opposite, sessile and smooth edged, oblong to linear, light green and smooth, covered with small transparent oil glands that look like holes, more visible when held to bright light. The cymes of yellow flowers, grow atop each stem. The five petals are dotted with black along the margins, the center or ovary is surround by many stamens, causing it to appear furry, flowers bloom from June to September. The fruit is a three celled capsule containing small, dark brown seeds. Gather top 6 to 8 inches of plants when flowers are in bloom, dry for later use.

St. John's Wort herb for depressionFolklore   There are many ancient superstitions regarding this plant, its name Hypericum is derived from the Greek and means 'over an apparition,' a reference to the belief that it smelled so obnoxious to evil spirits that a whiff of it would cause them to fly. The plant was given to have magical powers. In ancient Greece, the herb was used to treat many ailments, including sciatica and poisonous reptile bites.

Recipes

For depression the usual dose is 300 mg 3 times a day. Timed release capsules are now on the market as well. I find it easier to only have to remember to take it once a day. Effects should be felt within a few weeks.

"Medicinal" tea: Pour 1 cup of boiling water over l-2 teaspoonfuls of the dried herb and steep for l0-l5 minutes. This should be drunk three times a day.

Oil: Fill a pint jar loosely with dried herb, poor olive oil to top, seal tightly and allow to infuse for 4 to 5 weeks, shaking the jar occasionally.

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Article by Deb Jackson & Karen Bergeron

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