z butylidenephthalide/angelica

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Optimization of pressurized liquid extraction for Z-ligustilide, Z-butylidenephthalide and ferulic acid in Angelica sinensis.

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Ielogoties Reģistrēties

Pressurized liquid extraction, one of the most promising and recent sample preparation techniques, offers the advantages of reducing solvent consumption and allowing for automated sample handling. It is being exploited in diverse areas because of its distinct advantages. However, because the

Quantification of ligustilides in the roots of Angelica sinensis and related umbelliferous medicinal plants by high-performance liquid chromatography and liquid chromatography-mass spectrometry.

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Ielogoties Reģistrēties

A reversed phase high-performance liquid chromatographic method was developed for quantifying E-ligustilide (1) and Z-ligustilide (3) in the roots of Angelica sinensis (Oliv.) Diels with confirmation using UV, atmospheric pressure chemical ionisation (APCI) MS and APCI-MS-MS techniques. Based on the

Insecticidal effect of phthalides and furanocoumarins from Angelica acutiloba against Drosophila melanogaster.

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Insecticidal activity of Angelica acutiloba extract and its constituents was investigated and compared with that of rotenone. Bioassay-guided isolation of the chloroform extract of A. acutiloba against larvae of Drosophila melanogaster afforded two phthalides, (Z)-butylidenephthalide (1) and

GC-MS fingerprints for discrimination of Ligusticum chuanxiong from Angelica.

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A GC-MS fingerprinting technique based on the essential oil components has been developed for the discrimination of chuanxiong against Chinese Angelica (Angelica sinensis (Oliv.) Diels) or other herbs with similar compositions. The analytical performance of four different extraction methods for the

Development of high-performance liquid chromatographic fingerprints for distinguishing Chinese Angelica from related umbelliferae herbs.

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A high-performance liquid chromatographic (HPLC) fingerprint of Chinese Angelica (CA) was developed basing on the consistent chromatograms of 40 CA samples (Angelica sinensis (Oliv.) Diels). The unique properties of this HPLC fingerprints were validated by analyzing 13 related herbs including 4

Serotonergic activity-guided phytochemical investigation of the roots of Angelica sinensis.

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Ielogoties Reģistrēties

Serotonin receptor (5-HT(7)) binding assay-directed fractionation of a methanol extract of the dried roots of Angelica sinensis led to the isolation and identification of 21 compounds including a new phenolic ester, angeliferulate (1), and three new phthalides, 10-angeloylbutylphthalide (2),

GABAergic phthalide dimers from Angelica sinensis (Oliv.) Diels.

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Ielogoties Reģistrēties

The methanol extract of Angelica sinensis (Oliv.) Diels roots (Dang Gui) has been shown to exhibit competitive binding to the GABAa receptor, suggesting the presence of GABAergic ligands. Chromatographic fractionation of the methanol extract led to the isolation of two GABAergic dimeric phthalides 1

[Application of entropy-weight TOPSIS model in synthetical quality evaluation of Angelica sinensis growing in Gansu Province].

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Ielogoties Reģistrēties

OBJECTIVE To investigate the establishment and application methods of entropy-weight TOPSIS model in synthetical quality evaluation of traditional Chinese medicine with Angelica sinensis growing in Gansu Province as an example. METHODS The contents of ferulic acid, 3-butylphthalide,

[Correlation Analysis Between Common Peaks of Angelica sinensis HPLC Fingerprint and Mineral Elements in Its Growing Soil].

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OBJECTIVE To investigate the correlation between common peaks of Angelica sinensis HPLC fingerprint and mineral elements in its growing soil. METHODS The fingerprints of 120 batches of Angelica sinensis from 12 habitats were determined by HPLC. The contents of Pb, As, Cr, Sb, Hg, Cu, Cd, Ni, Zn, Mg,

Comparison of larvicidal, adulticidal and acaricidal activity of two geometrical butylidenephthalide isomers.

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Ielogoties Reģistrēties

Insecticidal and acaricidal activities of two geometrical isomers, (E)- and (Z)-butylidenephthalide isolated from Angelica acutiloba, against larvae and adults of fruit fly (Drosophila melanogaster), cat fleas (Ctenocephalides felis) and house dust mites (Dermatophagoides farinae and Tyrophagus

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