atractylenolide iii/atractylodes macrocephala

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[Influence of processing on atractylenolide III content in Atractylodes macrocephala Koids].

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The atractylenolide III content in different processed products of Atractylodes macrocephala was determined by HPLC. The result has shown that the content in the processed products appears higher than that in the crude herb, with the yellow-fried product being the highest.

Identification and quantification of atractylenolide I and atractylenolide III in Rhizoma Atractylodes Macrocephala by liquid chromatography-ion trap mass spectrometry.

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Rhizoma Atractylodes Macrocephala (RAM) is an important traditional Chinese medicinal herb that is used for treatment of dyspepsia and anorexia. The active ingredients, atractylenolide I (AO-I) and atractylenolide III (AO-III), were identified by direct-injection ion trap-mass spectrometry (IT-MS)

Simultaneous determination of atractylenolide II and atractylenolide III by liquid chromatography-tandem mass spectrometry in rat plasma and its application in a pharmacokinetic study after oral administration of Atractylodes Macrocephala Rhizoma extract.

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Atractylenolide II (AII) and atractylenolide III (AIII) are the major active components in Atractylodes Macrocephala Rhizoma (AMR). In this study, a sensitive, rapid and selective liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed and validated for the simultaneous

Preparative isolation and purification of atractylon and atractylenolide III from the Chinese medicinal plant atractylodes macrocephala by high-speed counter-current chromatography.

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The medicinal plant Atractylodes macrocephala (Baizhu in Chinese) has been widely used in traditional Chinese medicine for energy and stomach complaints, treatment of dyspepsia and anorexia, anti-inflammation, anticancer and for increasing assimilation. A high-speed counter-current chromatography

[Process mechanism of Atractylodes macrocephala and conversion of sesquiterpenes].

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OBJECTIVE To research the process mechanism of Atractylodes macrocephala and conversion of sesquiterpenes from it. METHODS The contents of atractylenolide I, II and III in the different processed herbal medicines were determined by HPLC. The conversion of the sesquiterpenes was proved by the

[Gastrointestinal inhibitory effects of sesquiterpene lactones from Atractylodes macrocephala].

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Atractylenolide I (8,9-dehydroasterolide, B), 4,15-epoxy-8 beta-hydroxyasterolide (C) and atractylenolide III (8 beta-hydroasterolide, D) from Atractylodes macrocephala Koidz, 28.0, 56.0 mumol/L, inhibited the spontaneous movement of rat isolated ileum with contractile force decreased obviously (P <

Antagonistic effects of 3 sesquiterpene lactones from Atractylodes macrocephala Koidz on rat uterine contraction in vitro.

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OBJECTIVE To study the effects of three sesquiterpene lactones: atractylenolide I (8,9-dehydroasterolide, B), 4,15-epoxy-8 beta-hydroxyasterolide (C), and atractylenolide III (8 beta-hydroasterolide, D) from Atractylodes macrocephala Koidz, on rat isolated uterus smooth muscle. METHODS Rat isolated

Toxicity of atractylon and atractylenolide III Identified in Atractylodes ovata rhizome to Dermatophagoides farinae and Dermatophagoides pteronyssinus.

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The acaricidal activity of materials derived from rhizome of Atractylodes ovata (Atractylodes macrocephala) toward adult Dermatophagoides farinae and Dermatophagoides pteronyssinus was examined using fabric-circle residual contact and vapor-phase toxicity bioassays. Results were compared with those

Quantitative determination of atractylenolide III in rat plasma by liquid chromatography electrospray ionization mass spectrometry.

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Atractylenolide III is a major active component in Atractylodes macrocephala. This paper describes a simple, rapid, specific and sensitive method for the quantification of atractylenolide III in rat plasma using a liquid-liquid extraction procedure followed by liquid chromatography mass

Metabolomic study of raw and processed Atractylodes macrocephala Koidz by LC-MS.

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Bai-Zhu, the dried rhizome of Atractylodes macrocephala Koidz (AMK), is widely used as a tonic herbal in eastern Asia. It is commonly used as prepared slices in clinic by stir-frying with wheat bran (processed AMK). In the theories of traditional Chinese medicine (TCM), Bai-Zhu possesses

Two new compounds from Atractylodes macrocephala with neuroprotective activity.

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In the present study, two new compounds, together with six known compounds, were isolated from rhizome of Atractylodes macrocephala Koidz by a series of silica gel, ODS column chromatography, and preparative HPLC. Their structures were characterized as atractylenolide II (1), atractylenolide I (2),

A High Throughput Three-step Ultra-performance Liquid Chromatography Tandem Mass Spectrometry Method to Study Metabolites of Atractylenolide-III.

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Atractylodes macrocephala Koidz (AMK) is a traditional Chinese medicine widely used in the treatment of various diseases, especially spleen deficiency. As the principle active constituents of AMK, however, the metabolites of Atractylenolide-III (A-lactone-III) have not been identified in rats yet.

Effect of Orally Administered Atractylodes macrocephala Koidz Water Extract on Macrophage and T Cell Inflammatory Response in Mice.

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The rhizome of Atractylodes macrocephala Koidz (AM) is a constituent of various Qi booster compound prescriptions. We evaluated inflammatory responses in macrophages and T cells isolated from mice following oral administration of AM water extract (AME). Peritoneal exudate cells were isolated from

Atractylenolide I and atractylenolide III inhibit Lipopolysaccharide-induced TNF-alpha and NO production in macrophages.

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In order to clarify the mechanism involved in the antiinflammatory activity of atractylenolide I and atractylenolide III from the rhizomes of Atractylodes macrocephala Koidz, their effects on tumor necrosis factor-alpha (TNF-alpha) and nitric oxide (NO) production in peritoneal macrophages were

Simultaneous determination of four sesquiterpenoids in Atractylodes Macrocephala Rhizoma by GC-FID: optimisation of an ultrasound-assisted extraction by central composite design.

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BACKGROUND Atractylodes Macrocephala Rhizoma (AMR) is a traditional Chinese medicine containing several sesquiterpenoids with a series of effects. These bioactive compounds may be used as chemical markers for the quality control of AMR. It is necessary to optimise the extraction method and

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