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| Oenothffa
bionnis |
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| Name |
| Evening Primrose |
| Biological
Name |
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Oenothffa bionnis
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| Other
Names |
| Evening Primrose, common evening
primrose, fever plant, field primrose, king's cureall, night
willow-herb, scabish, scurvish, tree primrose, primrose |
| Parts
Used |
| The plant |
| Active
Compounds |
| Evening primrose oil (EPO), black
currant seed oil, and borage oil contain gamma linolenic acid
(GLA), a fatty acid that the body converts to a hormone-like
substance called prostaglandin E1 (PGE1). PGE1 has anti-inflammatory
properties and may also act as a blood thinner and blood vessel
dilator.
Linoleic acid, a common fatty acid found in nuts, seeds,
and most vegetable oils (including EPO), should theoretically
convert to PGE1. But many things can interfere with this conversion,
including disease, the aging process, saturated fat, hydrogenated
oils, blood sugar problems, and inadequate vitamin C, magnesium,
zinc, and B vitamins. Supplements that provide GLA circumvent
these conversion problems, leading to more predictable formation
of PGE1. Those with premenstrual syndrome, diabetes, and eczema
can have a metabolic block that interferes with the body?
ability to make GLA. Many people in Western societies may
be at least partially GLA deficient as a result of aging,
glucose intolerance, dietary fat intake, and other problems.
Individuals with deficiencies benefit from supplemental GLA
intake from evening primrose oil, black currant seed oil,
or borage oil.
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| Remedies
For |
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Astringent, mucilaginous.
Traditionally evening primrose had been used as a soothing
remedy for coughs associated with colds. It has also been
used for mental depression, its effectiveness perhaps due
to a stimulating effect on the liver, spleen, and digestive
apparatus. It can also be made into an ointment useful for
rashes and other skin irritations. The entire plant is edible.
Evening Primrose Oil is useful for the treatment of:
Atherosclerosis
Attention Deficit Disorder
Diabetes
Eczema
Fibrocystic Breast Disease
Irritable Bowel Syndrome (IBS)
Premenstrual Syndrome (PMS)
Raynaud? Disease
Rheumatoid Arthritis
Schizophrenia
High Blood Pressure
Schizophrenia and PMS:
Studies have shown that about seven 500 mg. capsules of evening
primrose oil daily in conjunction with vitamins B-3, B-6,
C and zinc achieve remarkable results in the treatment of
schizophrenia or premenstrual syndrome (PMS). PMS symptom
severities, especially depression, were relieved a lot more
with the oil than with the placebo. Up to six capsules per
day appear to give significant therapeutic benefits.
Blood Pressure:
In two separate Canadian studies using animals, the main constituent
in evening primrose, gamma-linolenic acid (GLA) and the plant
oil (EVO) itself, significantly reduced blood pressure. In
the first study, the GLA greatly strengthened the heart's
response to chronic stress, while in the second a general
lowering of blood pressure was observed. Recommendation was
to take about 4 capsules of primrose oil per day for hypertension,
along with increased potassium intake (750 mg.).
Relief for Chronic Disorders:
South African scientists proposed that coronary artery disease,
hypertension, hypercholesterolemia, allergic eczema and other
atopic conditions, cancer, premature aging, and chronic inflammatory
and auto- immune disorders are related to an imbalance of
fatty acids in the body. Deficiencies of GLA and another important
fatty acid found in fish oils may result in the metabolic
blockage of a key enzyme. They suggested that an oil of evening
primrose supplement is one good means of getting around this
blockage and possibly preventing and treating many chronic
disorders as well. Recommended intake is 2 capsules twice
daily, in the morning and again in the mid-afternoon for optimal
health.
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| Description |
| Evening primrose is a coarse, annual
or biennial plant found in dry meadows and waste places and
along roadsides east of the Rockies to the Atlantic. The stem
is erect, stout, and soft-hairy, with alternate, rough-hairy,
lanceolate, taper-pointed leaves about 3 to 6 inches long. The
yellow, lemon-scented flowers, 1 to 2-1/2 inches across, open
at dusk and grow in spikes from June to October. The fruit is
an oblong, hairy capsule. |
| Dosage |
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Infusion: Use 1 tsp. of the plant with I cup of water. Take
1 cup a day, a mouthful at a time.
Tincture: Take 5 to 40 drops, as needed.
Researchers often use 3,000-6,000 mg of evening primrose
oil per day, which provides approximately 270-360 mg of GLA.
See specific recommendations above.
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| Safety |
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Consistent, reproducible problems from taking evening primrose
oil have not been reported.
Other nutrients are needed by the body, along with evening
primrose oil, to make PGE1. Consequently, some experts suggest
that magnesium, zinc, vitamin C, niacin, and vitamin B6 should
be taken along with evening primrose oil.
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