evening primrose


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evening primrose

n.
Any of various plants of the family Onagraceae and especially the genus Oenothera of the Americas, having four-petaled usually yellow flowers that open in the evening and whose seeds yield an oil used in herbal medicine.

evening primrose

Herbal medicine
A biennial herb that contains essential fatty acids, including gamma linoleic acid; it is has been widely used for heart disease, hypercholesterolaemia, premenstrual syndrome, endometriosis, breast pain, menopause, eczema, psoriasis, acne, osteoporosis, multiple sclerosis, cancer, Alzheimer's disease, asthma, diabetes, hyperactivity and gastrointestinal disorders.

There are no peer-reviewed studies to support the efficacy of evening primrose.

Toxic effects
Headaches, nausea, seizures, skin rashes.
References in periodicals archive ?
Evening primrose oil acts as this enzyme and helps to correct this defect, thereby lessening or eliminating the eczema.
Table 1: Analyses of variance (mean squares) for seasonal variation on secondary metabolites synthesis in evening primrose leaves
Potential of evening primrose, borage, black currant and fungal oils in human health.
This in turn reduced the number of evening primrose plants.
She also looked at how well 12 different genotypes of the same asexual evening primrose species weathered attacks by powdery mildew.
The SPF 15 lotion has antioxidants, evening primrose and emollient milk proteins for moisturization.
But overall, survey respondents perceived antidepressants to be one of the most effective methods, followed by homeopathy meditation and relaxation, evening primrose, blood pressure medications, black cohosh, soy products, and multivitamins with calcium.
Red raspberry leaf is likely safe but ineffective (SOR: B, 1 small randomized controlled trial); evening primrose oil is ineffective and possibly unsafe (SOR: B, 1 small retrospective cohort study); black cohosh and blue cohosh lack evidence of efficacy and may be unsafe (SOR: C, expert opinion and case reports).
It contains evening primrose and lavender oils for a soothing scent that is not irritating to the skin.
They use ingredients like Royal Jelly, Evening Primrose Oil, collagen and vitamins A, C & E without synthetic perfumes, colours or animal testing.
Also, take three evening primrose oil 500mg capsules last thing at night to make skin more supple.
CORRECTION: The picture that accompanied last week's column on the monkey flower was actually a Mexican evening primrose (Oenothera berlandieri), as noted in an e-mail from John Stevens of Palmdale.