p hydroxybenzyl alcohol/gastrodia

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p-Hydroxybenzyl alcohol attenuates learning deficits in the inhibitory avoidance task: involvement of serotonergic and dopaminergic systems.

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p-Hydroxybenzyl alcohol (HBA), an aglycone of gastrodin, is an active ingredient of Gastrodia elata BLUME. In this study, we investigated the action of HBA on acquisition of an inhibitory avoidance response in rats and used piracetam as a positive control. The results indicated that scopolamine, a

Gastrodia elata blume and an active component, p-hydroxybenzyl alcohol reduce focal ischemic brain injury through antioxidant related gene expressions.

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Ischaemic stroke is a leading cause of death and long-lasting disability. Gastrodia elata blume (GEB) is a Chinese herb that is widely used to treat convulsive disorders, such as epilepsy, and p-hydroxybenzyl alcohol (HBA) is the active ingredient in GEB. The present study was conducted to evaluate

p-Hydroxybenzyl Alcohol, an Active Phenolic Ingredient of Gastrodia elata, Reverses the Cycloheximide-Induced Memory Deficit by Activating the Adrenal Gland in Rats.

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The present study investigated the ameliorating effects of p-hydroxybenzyl alcohol (HBA), an active phenolic ingredient of Gastrodia elata, on cycloheximide (CXM)-induced impairment of passive avoidance response and clarified the role of adrenal glands on the effect of HBA in rats. An adrenalectomy

Antioxidant and pro-oxidant activities of p-hydroxybenzyl alcohol and vanillin: effects on free radicals, brain peroxidation and degradation of benzoate, deoxyribose, amino acids and DNA.

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We examined the antioxidant and pro-oxidant activities of p-hydroxybenzyl alcohol (p-HBA), the major component of Gastrodia elata Bl. (GE), and compared them with those of vanillin, which is also a component of GE and a known antioxidant. Both p-HBA and vanillin are powerful scavengers of

p-Hydroxybenzyl alcohol prevents brain injury and behavioral impairment by activating Nrf2, PDI, and neurotrophic factor genes in a rat model of brain ischemia.

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The therapeutic goal in treating cerebral ischemia is to reduce the extent of brain injury and thus minimize neurological impairment. We examined the effects of p-hydroxybenzyl alcohol (HBA), an active component of Gastrodia elata Blume, on transient focal cerebral ischemia-induced brain injury with

p-Hydroxybenzyl Alcohol Prevents Memory Deficits by Increasing Neurotrophic Factors and Decreasing Inflammatory Factors in a Mice Model of Alzheimer's Disease.

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p-hydroxybenzyl alcohol (HBA) is one of the major components of Gastrodia elata Blume (GEB) phenolic compound. HBA has been reported to have a protective effect on amyloid-β (Aβ) induced cell death. However, the systemic effects and the detail molecular mechanism of HBA in Alzheimer's disease (AD)

Insight into Medicinal Chemistry Behind Traditional Chinese Medicines: p-Hydroxybenzyl Alcohol-Derived Dimers and Trimers from Gastrodia elata

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From an aqueous extract of "tian ma" (the steamed and dried rhizomes of Gastrodia elata), ten new compounds gastrodibenzins A-D (1-4) and gastrotribenzins A-F (5-10), along with known analogues (11-20), having structure features coupling between two and three p-hydroxybenzyl-derived units via

[Research progress on mechanism of gastrodin and p-hydroxybenzyl alcohol on central nervous system].

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Gastrodin(GAS) and p-hydroxybenzyl alcohol(HBA) are extracts of dried tubers of Gastrodia elata, which is the material basis for its efficacy and belongs to phenolic compounds. Modern pharmacology studies have shown that they have significant effects on central nervous system diseases, such as

Gastrodin and p-hydroxybenzyl alcohol facilitate memory consolidation and retrieval, but not acquisition, on the passive avoidance task in rats.

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Gastrodin (GAS) and p-hydroxybenzyl alcohol (HBA) which is an aglycone of gastrodin, are active ingredients of Gastrodia elata Blume. In this study, we attempted to investigate the effects of acute administration of GAS and HBA on learning and memory processes such as acquisition, consolidation and

Pharmacokinetics of gastrodin and its metabolite p-hydroxybenzyl alcohol in rat blood, brain and bile by microdialysis coupled to LC-MS/MS.

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Gastrodin is a pharmacologically active substance isolated from Gastrodia elata Blume with sedation, anti-convulsion and anti-epilepsy activities. A rapid and sensitive liquid chromatography technique coupled to tandem mass spectrometry (LC-MS/MS) system was developed to determine gastrodin and its

Simultaneous determination of p-hydroxybenzaldehyde, p-hydroxybenzyl alcohol, 4-(beta-D-glucopyranosyloxy)-benzyl alcohol, and sugars in Gastrodia elata blume measured as their acetylated derivatives by GC-MS.

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A method for the simultaneous separation and determination of the active constituents and three sugars in the roots of Gastrodia elata Blume (GE), which is used as a famous Chinese traditional herbal medicine, by gas chromatography-mass spectrometry is established. The samples are acetylated with

4-Hydroxybenzaldehyde from Gastrodia elata B1. is active in the antioxidation and GABAergic neuromodulation of the rat brain.

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Ether fraction of G. elata methanol extract significantly inhibited the recovery time and severity induced by pentylenetetrazole (PTZ) treatment. Pretreatment of ether fraction of G. elata methanol extract successfully prevented diminution of brain GABA level in subconvulsive dose of PTZ-treated

Pharmacokinetic Comparative Study of Gastrodin and Rhynchophylline after Oral Administration of Different Prescriptions of Yizhi Tablets in Rats by an HPLC-ESI/MS Method.

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Pharmacokinetic characters of rhynchophylline (RIN), gastrodin (GAS), and gastrodigenin (p-hydroxybenzyl alcohol, HBA) were investigated after oral administration of different prescriptions of Yizhi: Yizhi tablets or effective parts of tianma (total saponins from Gastrodiae, EPT) and gouteng

Distribution and metabolism of gastrodin in rat brain.

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Gastrodin is the major and bioactive component in Tianma (Gastrodia elata Bl.) and has sedative, anticonvulsive and neuroprotective effects. Since little is known about its neuropharmacokinetics and brain metabolism, this study was undertaken to investigate the kinetic inter-relationship of

[Grading of Gastrodia elata pieces based on quality constant].

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The grade of Gastrodia elata pieces is evaluated by quality constant evaluation method.Fifteen batches of G. elata pieces collected were measured for their appearance and morphological indexes. The contents of gastrodin,p-hydroxybenzyl alcohol,barrisoside A,B and E were taken as index components for

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