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Hydroxyvalerenic acid Sale

(Synonyms: 羟基缬草酸) 目录号 : GC39712

Hydroxyvalerenic acid 是从 Verbena officinalis 中分离得到的,具有较低的毒性,对 GLC4 和 COLO 320 细胞的IC50 分别值为 123 和 165 μM。

Hydroxyvalerenic acid Chemical Structure

Cas No.:1619-16-5

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10mg
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产品描述

Hydroxyvalerenic acid is isolated from Verbena officinalis, has a low toxicity with IC50 values of 123 and 165 μM against GLC4 and COLO 320 cells, respectively[1].

[1]. Bos R, et al. Cytotoxic potential of valerian constituents and valerian tinctures. Phytomedicine. 1998 May;5(3):219-25.

Chemical Properties

Cas No. 1619-16-5 SDF
别名 羟基缬草酸
Canonical SMILES O=C(O)/C(C)=C/[C@H]1C2=C(C)C[C@@H](O)[C@]2([H])[C@H](C)CC1
分子式 C15H22O3 分子量 250.33
溶解度 Soluble in DMSO 储存条件 Store at -20°C
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1 mM 3.9947 mL 19.9736 mL 39.9473 mL
5 mM 0.7989 mL 3.9947 mL 7.9895 mL
10 mM 0.3995 mL 1.9974 mL 3.9947 mL
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Research Update

Pharmacokinetics of valerenic acid after single and multiple doses of valerian in older women

Phytother Res 2010 Oct;24(10):1442-6.PMID:20878691DOI:10.1002/ptr.3151.

Insomnia is a commonly reported clinical problem with as many as 50% of older adults reporting difficulty in falling and/or remaining asleep. Valerian (Valeriana officinalis) is a commonly used herb that has been advocated for promoting sleep. Valerenic acid is used as a marker for quantitative analysis of valerian products with evidence of pharmacological activity relevant to the hypnotic effects of valerian. The objective of this study was to determine the pharmacokinetics of valerenic acid in a group of elderly women after receiving a single nightly valerian dose and after 2 weeks of valerian dosing. There was not a statistically significant difference in the average peak concentration (C(max)), time to maximum concentration (T(max)) area under the time curve (AUC), elimination half-life (T(1/2)) and oral clearance after a single dose compared with multiple dosing. There was considerable inter- and intra-subject variability in the pharmacokinetic parameters. C(max) and AUC deceased and T(1/2) increased with increased body weight. The variability between the capsules was extremely low: 2.2%, 1.4% and 1.4%, for Hydroxyvalerenic acid, acetoxyvalerenic acid and valerenic acid, respectively. In conclusion, large variability in the pharmacokinetics of valerenic acid may contribute to the inconsistencies in the effect of valerian as a sleep aid.

Root colonization by symbiotic arbuscular mycorrhizal fungi increases sesquiterpenic acid concentrations in Valeriana officinalis L

Planta Med 2010 Mar;76(4):393-8.PMID:19809971DOI:10.1055/s-0029-1186180.

In some medicinal plants a specific plant-fungus association, known as arbuscular mycorrhizal (AM) symbiosis, increases the levels of secondary plant metabolites and/or plant growth. In this study, the effects of three different AM treatments on biomass and sesquiterpenic acid concentrations in two IN VITRO propagated genotypes of valerian ( VALERIANA OFFICINALIS L., Valerianaceae) were investigated. Valerenic, acetoxyvalerenic and Hydroxyvalerenic acid levels were analyzed in the rhizome and in two root fractions. Two of the AM treatments significantly increased the levels of sesquiterpenic acids in the underground parts of valerian. These treatments, however, influenced the biomass of rhizomes and roots negatively. Therefore this observed increase was not accompanied by an increase in yield of sesquiterpenic acids per plant. Furthermore, one of the two genotypes had remarkably high Hydroxyvalerenic acid contents and can be regarded as a Hydroxyvalerenic acid chemotype.

Transport of a GABAA receptor modulator and its derivatives from Valeriana officinalis L. s. l. across an in vitro cell culture model of the blood-brain barrier

Planta Med 2008 Sep;74(11):1338-44.PMID:18704879DOI:10.1055/s-2008-1081343.

The roots and rhizome of Valeriana officinalis L . s. l. are therapeutically used for their sedative and sleep-enhancing effects. Some of the active compounds found in commonly used extracts are the sesquiterpenic acids, especially valerenic acid, which was recently identified as a GABA (A) receptor modulator. To interact with this receptor in the brain, substances such as valerenic acid and its derivatives acetoxyvalerenic acid and Hydroxyvalerenic acid have to cross the blood-brain barrier (BBB). The aim of our study was to obtain BBB permeability data of these compounds for the first time and to elucidate possible transport pathways across our BBB in vitro model. Transport of valerenic acid, acetoxyvalerenic acid and Hydroxyvalerenic acid was compared with the permeability of the GABA (A) modulator diazepam, which is known to penetrate into the central nervous system transcellularly by passive diffusion. Experiments were carried out with an established Transwell in vitro model based on the human cell line ECV304. Results indicated clearly that all three acids permeated significantly slower than diazepam. The ranking was confirmed in group studies as well as in single-substance studies after normalization to diazepam. Valerenic acid (1.06 +/- 0.29 microm/min, factor 0.03 related to diazepam) was the slowest to permeate in the group study, followed by Hydroxyvalerenic acid (2.72 +/- 0.63 microm/min, factor 0.07 related to diazepam) and acetoxyvalerenic acid (3.54 +/- 0.58 microm/min, factor 0.09 related to diazepam). To elucidate the contribution of the paracellular transport, studies were performed at different tightness status of the cell layers reflected by different transendothelial electrical resistance (TEER) values. Results showed an exponential correlation between transport and TEER for all three acids, whereas diazepam permeated TEER independently. In summary, it is hypothesized that the investigated compounds from Valeriana officinalis L. S. L. can probably only pass through the BBB by a still unknown transport system and not transcellularly by passive diffusion.

Application of diffusion-edited and solvent suppression ¹H-NMR to the direct analysis of markers in valerian-hop liquid herbal products

Phytochem Anal 2016 Mar-Apr;27(2):100-6.PMID:26763752DOI:10.1002/pca.2603.

Introduction: The rising trend to consume herbal products for the treatment and/or prevention of minor ailments together with their chemical and pharmacological complexity means there is an urgent need to develop new approaches to their quality and stability. Objectives: This work looks at the application of one-dimensional diffusion-edited (1)H-NMR spectroscopy (1D DOSY) and (1)H-NMR with suppression of the ethanol and water signals to the characterisation of quality and stability markers in multi-component herbal medicines/food supplements. Material and methods: The experiments were performed with commercial tinctures of Valeriana officinalis L. (valerian), expired and non-expired, as well as its combination with Hummulus lupulus L. (hops), which is one of the most popular blends of relaxant herbs. These techniques did not require purification or evaporation of components for the qualitative analysis of the mixture, but only the addition of D2 O and TSP. Results: The best diagnostic signals were found at δ 7 ppm (H-11, valerenic acid), δ 4.2 ppm (H-1, Hydroxyvalerenic acid) and δ 1.5-1.8 ppm (methyl groups in prenylated moieties, α-acids/prenylated flavones). Conclusion: This work concludes on the potential value of 1D DOSY (1)H-NMR to provide additional assurance of quality in complex natural mixtures.

In vitro activity of commercial valerian root extracts against human cytochrome P450 3A4

J Pharm Pharm Sci 2004 Aug 12;7(2):265-73.PMID:15367385doi

Purpose: Valerian root ( Valeriana officinalis L.) has been used since antiquity as a medicinal herb. Recent studies have found that certain herbal products used concomitantly with conventional therapeutic products can markedly affect drug disposition. Methods: The in vitro effect of aliquots from 14 commercially available single-entity and blended products containing valerian root on cytochrome P450 CYP3A4-mediated metabolism and P-glycoprotein transport has been determined with aqueous, ethanol and acetonitrile extracts. Results: Hydroxyvalerenic acid, acetoxyvalerenic acid and valerenic acid content was analyzed and wide variation was found between samples and compared to the concentrations noted on the product labels. Valerian extracts from the products tested also exhibited a marked capacity to inhibit cytochrome P450 3A4-mediated metabolism and P-glycoprotein transport based upon the ATPase assay. Conclusions: There is wide variation between commercially available samples of valerian root. The findings from this study suggest that valerian root may have an initial inhibitory effect when taken with therapeutic products. Further work is warranted to determine whether valerian root can affect other CYP450 isozymes and how the results of this in vitro investigation can be extrapolated to in vivo situations.