p hydroxybenzyl alcohol/gastrodia elata

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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

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

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

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

[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

Multicomponent quantitative analysis combined with antioxidant and alpha-glucosidase inhibitory activities for the quality evaluation of Gastrodia elata from different regions.

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Gastrodia elata (G. elata), as a natural plant with nourishing and edible value, plays a vital role in food and pharmaceutical production. In the present study, a novel approach for the simultaneous determination of six components based on high-performance liquid chromatography (HPLC) coupled with

[Evaluation of the quality of Gastrodia elata Bl. by HPLC-DAD/MS].

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The chromatographic fingerprint of Gastrodia elata Bl. (Tianma) was developed to compare the quality of Tianma samples from different habitats and processing methods. The above analysis method was established by HPLC-DAD technique. And an HPLC method was used to analysis the contents of gastrodin

[Identification of four Armillaria strains and their effects on quality and yield of Gastrodia elata f. glauca].

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In order to improve the quality and yield of Gastrodia elata f. glauca,determine the suitable Armillaria strains for the accompanying experiment in Xiaocaoba,Yiliang,four Armillaria strains were selected. They were used for G. elata cultivation,and the gene sequence,r DNA-ITS,β-tubulin and EF1-α of

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)

[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

[Study on the chemical constituents of Gastrodia elata].

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OBJECTIVE To study the chemical constituents of Gastrodia elata. METHODS The compounds were isolated by silica gel column chromatography and recrystallization and their structures were elucidated by spectral analysis. RESULTS The structures of 14 compounds were identified as: p-hydroxybenzyl alcohol

Gastrodin Derivatives from Gastrodia elata.

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Nine new gastrodin derivatives, including seven p-hydroxybenzyl-modified gastrodin ethers (1-7), 6'-O-acetylgastrodin (8), and 4-[α-D-glucopyranosyl-(1 →6)-β-D-glucopyranosyloxy]benzyl alcohol (9), together with seven known derivatives, were isolated from an aqueous extract of Gastrodia elata

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