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"The flowers open in the evening and close up during the day and are |
Before we moved to Glencairn, my Evening Primrose was about four feet high,
and it grew quietly in the semi-shade. This plant will grow in anything from
deep shady wetland areas to full sun in dry sand. It seeds enormously, and
the rosettes of dark-green and rose-tinged leaves as they appear in the Spring
have to be (unhappily) weeded, as if they were unwanted and noxious weeds.
Something I dislike is to "junk" plants. My garden can
successfully make fourteen old ladies and the landfill engineers happy from
Spring to frost with its many weededout products, as I attempt to keep a
burgeoning jungle under control. Growing indigenous wildflowers and hardy
flowering herbs assure the gardener that the flowers will return in the Spring
in the multitudes. I am never without a myriad of seeds, seedlings or uses for
my plants - but I haven't time to do something productive with every seedling
forked from the fresh earth. Of course, my compost bucket keeps the flowers
well-fed, once or twice a year.
"Traditional uses of evening primrose as an astringent,
antibiotic, mucilaginous, expectorant, antitussive, and digestive stimulant have
given way to modern uses concentrating on a single property of the plant. The
oil is high in gamma-linolenic acid (GLA), which is readily converted in the
body to prostaglandin E1; therefore, it is employed in the treatment of any and
every condition for which prostaglandin could be beneficial.
Numbering among those conditions are:
premenstrual syndrome, benign breast
disease, cholesterol regulation, platelet aggregation, blood pressure
regulation, obesity, atopic disease, multiple sclerosis, arthritis, mental
disorders, rheumatism, alcoholism, and childhood hyperactivity.
Evening Primrose - Method of Action
Evening Primrose Oil is a
Rich Source of GLA The real value of evening primrose lies in the
gamma-linolenic acid (GLA) content of its oil. GLA is an important intermediary
in the metabolic conversion of linoleic acid (technically, the cis-isomer) to
prostaglandin E1. Essentially that pathway goes as follows: cis-linoleic acid
--> --> gamma-linolenic acid --> --> dihomo-gamma-linolenic acid
--> --> prostaglandin E1 The normal diet is quite sufficient in linoleic
acid, but the first step in its conversion to prostaglandin E1 can be easily
blocked. Among the known blocking agents are: viruses, carcinogens, cholesterol,
saturated fatty acids, trans fatty acids, alcohol, insufficient zinc or insulin,
radiation, insufficient delta-6-desaturase, and the aging process. Dietary GLA
could therefore be extremely valuable since very few factors block the
successive steps in the metabolic pathway. Most, if not all, properties of
evening primrose oil resemble and indeed can be attributed to the actions of
prostaglandin E1."
Sam Ibrahim, Owner - Nutrition Plus Pharmacy Edmonton, AB
Presented at the Prairie Medicinal and Aromatic Plants Conference - Olds, Alberta - March 3-5, 1996 Botanical Description and Habitat Oenothera biennis Family
Please click the above link for a wealth of further information on EPO.
Common Evening Primrose, Fever plant, Scabish, Scurvish, Sundrop Tree Primrose, Willow Herb ,Great Evening-Primrose, King's-cure-all, Night willow-herb.
Native to the North Temperate Zone, east of the Rockies to the Atlantic coast; found in dry meadows, waste places, and along roadsides.
The plant is a perennial herb with an erect, hairy stem bearing alternate,
rough, hairy, lanceolate leaves. The leaves taper to a point and grow from 3 - 6
inches long. Yellow flowers bloom in umbrels, 1 to 1-1/2 inches across, from
June to October. Fruit is an oblong, hairy capsule.
The whole of the Evening Primrose may be used in both medicine and in diet.
A british agrarian recewntly wrote to say that the root is really fairly balnd
to eat. The leaves may be included in salad or boiled. Personally, I would boil
any part of the plant before eating, since spiders love it.
Astringent, antibiotic, mucilaginous, expectorant, antitussive, and digestive stimulant have given way to modern uses concentrating on a single property of the plant.
Studies involving Effamol, EPO and EPO plus fish oils (Efamol Marine)are shown through the link below to help cope with MS, Arthritis, Psoroasis Alcoholism and Diabetic Neuropathy (A loss of sensation affecting some older diabetics). Brain and liver function improved more quickly for alcoholics, in the study mentioned.
"Psoriasis may be responsive to a combination of Evening Primrose oil and fish oils (GammaOil Marine). A preliminary study in Denmark has shown this to be so, and a more comprehensive study is currently underway."
"Evening Primrose Oil has good antimicrobial activity Evening Primrose oil has some antitubercular activity as well as antimicrobial and antibacterial properties. It is active against Staphylococcus citrius, S. roseus, Pseudomonas pyocyanea, Streptococcus pyogenes, E. coli, Bacillus subtilis, Klebsiella aerogenes, Diplococcus pneumoniae and Salmonella typhi. For each of these organisms, the oil compared favourably with penicillin. "
http://www.agric.gov.ab.ca/crops/special/medconf/ibrahimf.html
" A number of trials have also shown the benefits of evening primrose oil in preventing pre-menstrual symptoms including breast tenderness and water retention, but they have shown no benefits in menopausal flushing. "
"Patients with Raynaud's syndrome (cold hands), post-viral fatigue syndrome
and alcohol withdrawal all experienced symptomatic relief .."
http://www.herbal-choice.co.uk/herbs-3.htm
Patients with a history of epilepsy should avoid evening primrose oil as it may lower their threshold for seizures. Also, those taking phenothiazines for schizophrenia should use evening primrose oil with caution as it may precipitate epilepsy. The most common side-effects reported in trials are headache and mild nausea.
LINK TO: http://altnature.com/gallery/Evening_Primrose.htm
Photo by Karen Shelton Copyright 2001 Photo by Deb Jackson Copyright 2000
"The leaves are cooked and eaten as greens and the roots are said to be sweet succulent and delicious when boiled like potatoes. Flowers are a sweet addition to salads or as a garnish and young seedpods are Steamed. This plant was a staple food for many Native American tribes. Formerly cultivated for its nutritious edible roots, it is being increasingly cultivated for the oil contained in its seeds which contains certain the essential gamma-linoleinc acid (GLA), a very valuable fatty acid that is not found in many plants and has numerous vital functions in the body.
Roasted seeds: Rotate and press dry seed capsules to release seed, roast in oven for 15 to 20 min. at 350 deg. Use on bread or in salad, sprinkle over any dish like pepper.
Gamma Linolenic- 9.7% Linoleic- 74.1% Oleic- 7% Palmitic- 5.9%
"On the basis of its health-food business and its registered pharmaceutical products Efamol (now renamed Scotia Holdings) was able to raise substantial amounts of investment funding, particularly during the 'biotech boom' of the early 1990's, which it used to increase substantially its rate of research into other disease states which showed a disturbance of GLA metabolism. Particularly promising areas included cancer, the long-term complications of diabetes and the side effects of radiotherapy. One problem in tackling these diseases was that ...."
http://www.lapinskas.com/pubs/3547.html#agri"Evening Primrose Oil is well known to help in liver and spleen conditions
by working through the stomach. ...It has been used in Europe to treat multiple
sclerosis and helps rid the body of toxins caused by a bad diet. It is special
in its action to stop thrombosis (blood clots) by opening the blood vessels.
Also, Evening Primrose oil relieves the pain of angina, and helps in preventing
inflammation and the pain of arthritis. New information about helping skin
problems, female problems (menstrual cramps, hot flashes) and Endometriosis are
reported to be relieved. http://www.femhealth.com/index.html