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isopimpinellin/angelica
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8 risultati
[Chemical constituents from lipophilic parts in roots of Angelica dahurica cv.Yubaizhi].
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The chemical constituents from lipophilic parts in the roots of Angelica dahurica cv. Yubaizhi were studied in this paper. The compounds were separated and purified by repeated column chromatographic methods on silica gel and HPLC, and the chemical structures of compounds were determined by spectral
Computer-assisted, high-performance liquid chromatography with mass spectrometric detection for the analysis of coumarins in Peucedanum palustre and Angelica archangelica.
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A reversed-phase HPLC method with atmospheric pressure chemical ionisation MS detection has been developed for the separation and identification of coumarins in plants of Peucedanum palustre L. (Moench) and Angelica archangelica (L.) var. archangelica. The Turbo Method Development program was
[Chemical constituents of Angelica nitida roots].
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OBJECTIVE
To investigate the chemical constituents in the roots of Angelica nitida.
METHODS
The chemical constituents were isolated by silica gel,their structures were identified by spectral analysis.
RESULTS
Nine compounds were isolated and identified as isoimperatorin(I), imperatorin(II),
Tissue distribution study of Angelica dahurica cv. Yubaizhi in rat by ultra-performance liquid chromatography with tandem mass spectrometry.
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A sensitive and specific ultra-performance liquid chromatographic-tandem mass (UPLC-MS/MS) spectrometric method was established to investigate tissue distribution of fourteen coumarins of Angelica Dahurica cv. Yubaizhi roots (ADYR) in rat tissues, including isoimperatorin (1), imperatorin (2),
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
Melanogenesis stimulation in murine b16 melanoma cells by umberiferae plant extracts and their coumarin constituents.
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Melanogenesis stimulation activities of seven ethanolic extracts obtained from Umbelliferae plants used as Chinese crude drugs, namely the roots of Angelica dahurica BENTH. et HOOK., A. biserrata SHEN et YUAN, Notopterygium incisum TING, Heracleum lanatum MICHX., and H. candicans WALL., and the
Coumarins from the roots of Angelica dahurica cause anti-allergic inflammation.
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Allergic inflammation is induced by allergens and leads to various allergic diseases, including rhinitis, asthma and conjunctivitis. Histamine is important in the pathogenesis of an immunoglobulin E-dependent allergic reaction and results in the secretion of cytokines associated with inflammation.
Characterizing Tyrosinase Modulators from the Roots of Angelica keiskei Using Tyrosinase Inhibition Assay and UPLC-MS/MS as the Combinatorial Novel Approach.
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In this study, an in vitro tyrosinase inhibition assay in combination with ultra performance liquid chromatography-orbitrap mass spectrometry (UPLC-orbitrap-MS) was developed for the rapid screening and identification of tyrosinase modulators from roots of Angelica keiskei. Of the 15
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