[Quantitative determination of the sorbic acid in a liquid valerian extract].
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Caproates↗
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Results for “VALERIAN”
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[Valeroside A--a glycoside from valerian (Valeriana officinalis L.)].
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Chromatography, Thin Layer↗
[Therapeutic dose of valerian tincture].
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Humans↗
[Investigation into the composition of the active principles of different Valerian and Kentranthus species].
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Chemical Phenomena↗
[Contribution to the study of valerian alcaloids (Valeriana officinalis, L.): actinidine and naphthyridylmethylketone, a new alkaloid (author's transl)].
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Alkaloids↗
[Electrophysiological studies on the antiarrhythmic effect of the water extract of valerian (author's transl)].
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Action Potentials↗
[Evaluation of Valerian drug and its preparations].
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Chromatography, Thin Layer↗
[The importance of valerian roots in therapy].
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Female↗
[Study results on the effect of multiplication method on the balance of valerian drugs (Radix Valerianae)].
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Mathematics↗
[On the chromomgenic behavior of valepotriate. 5. Report on the active substances of Valerian].
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Color↗
[Change of the blood coagulation process under the action of valerian].
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Animals↗
[Comparative neurophysiologic studies using valtratum/isovaltratum and valerian extract in cats].
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Animals↗
[Phytogenic sedatives-hypnotics--does a combination of valerian and hops have a value in the modern drug repertoire?].
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Animals↗
An assessment of the delayed effects associated with valerian overdose.
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Adolescent↗
Valerianie, a tertiary monoterpene alkaloid from valerian (1).
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Alkaloids↗
[Effects of peroral estrogen therapy using estradiol valerianate on the skin of castrated females].
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Adult↗
The fixed combination of valerian and hops (Ze91019) acts via a central adenosine mechanism.
The aim of the study was to demonstrate competition between caffeine and a fixed valerian/hop extract combination (Ze91019) by the central adenosine mechanism. EEG was used to describe the action of caffeine on the central nervous system after oral administration (200 mg) in healthy volunteers. In addition to caffeine, the volunteers (16 in each group) received either placebo or verum (2 and 6 tablets containing the valerian/hop extract). The EEG responses were recorded every 30 min thereafter. The verum medication was capable of reducing (2 tablets) or inhibiting (6 tablets) the arousal induced by caffeine. This pharmacodynamic action was observed 60 minutes after oral administration, indicating not only competition between the antagonist caffeine and the partial agonist, i. e., the valerian/hop extract but also bio-availability of the compound(s) responsible for the agonistic action. In conclusion, the valerian/hop extract acts via a central adenosine mechanism which is possibly the reason for its sleep-inducing and -maintaining activity.
Administration, Oral↗