valerian

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va·le·ri·an

(vă-lē'rē-ăn),
1. The rhizome and roots of Valeriana officinalis (family Valerianaceae), a herb native to southern Europe and northern Asia, cultivated also in the U.K. and the U.S.; has been used as a sedative in hysteria and at menopause.
2. Referring to a class of terpene alkaloids obtained from valerian (1).
Synonym(s): vandal root

valerian

(və-lîr′ē-ən)
n.
1. Any of several plants of the family Valerianaceae, especially Valeriana officinalis, native to Eurasia and widely cultivated for its small, fragrant, white to pink or lavender flowers and for use in medicine.
2. The dried rhizomes of Valeriana officinalis, used medicinally as a sedative.

valerian

Herbal medicine
A perennial herb that contains alkaloids, actinidine, choline, glycoside, resins, tannins, valepotriates, valerenic acid and volatile oils (including limonene); it is antispasmodic, antitussive, and sedative, and may act on the central nervous system. Valerian has been used for anxiety, colic, dandruff, dyspepsia, headaches, hypertension, insomnia, menstrual cramping, nervousness, stress and tachyarrhythmias.
 
Toxicity
Valerian should not be given to infants, and should be used with caution in pregnant women; in excess, it may cause headaches, irritability and blurred vision.

va·le·ri·an

(vă-ler'ē-ăn)
An herb (Valeriana officinalis) that is used to treat anxiety, insomnia, sleep disorders, and restlessness due to nervous disorders.
References in periodicals archive ?
Moreover, results obtained in the horizontal wire test after gavage of the 35% ethanolic extract and its derived special extract phytofin Valerian 368 justify the exclusion of myorelaxant properties of these preparations.
It is suggested that instead of sedative effects, anxiolytic as well as antidepressant properties of valerian, effects in particular demonstrated for the special extract phytofin Valerian 368, may account for the clinically proved sleep-enhancing effects of valerian.
Effect of valepotriates (valerian extract) in generalized anxiety disorder: a randomized placebo-controlled pilot study.
Effect of kava and valerian on human physiological and psychological responses to mental stress assessed under laboratory conditions.
Valerian extract and valerenic acid are partial agonists of the 5-HT5a receptor in vitro.
Critical evaluation of the effect of valerian extract on sleep structure and sleep quality.
Multiple night-time doses of valerian (Valeriana officinalis) had minimal effects on CYP3A4 activity and no effect on CYP2D6 activity in healthy volunteers.
Acute pharmacological effects of temazepam, diphenhydramine, and valerian in healthy elderly subjects.
In vivo effects of goldenseal, kava kava, black cohosh, and valerian on human cytochrome P450 1A2, 2D6, 2E1, and 3A4/5 phenotypes.
Assessing subjective and psychomotor effects of the herbal medication valerian in healthy volunteers.
The influence of valerian treatment on "reaction time, alertness and concentration" in volunteers.
Aqueous extract of valerian root (Valeriana officinalis L.) improves sleep quality in man.