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xanthotoxol/angelica dahurica
Ο σύνδεσμος αποθηκεύεται στο πρόχειρο
11 Αποτελέσματα
[Study on the coumarin glucosides of Angelica dahurica].
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Σύνδεση εγγραφή
OBJECTIVE
To study the coumarin glucosides of Angelica dahurica.
METHODS
Fresh roots and rhizomes of Angelica dahurica were extracted with ethanol at room temperature. Repeated column chromatography and preparative HPLC were used to isolate and purify the compounds. Their structures were elucidated
[Chemical constituents from lipophilic parts in roots of Angelica dahurica cv.Yubaizhi].
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Σύνδεση εγγραφή
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
[A new natural product from root of Angelica dahurica cv. Qibaizhi].
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Σύνδεση εγγραφή
OBJECTIVE
To study the chemical constituents of the root of Angelica dahurica cv. Qibaizhi.
METHODS
The compounds were isolated and purified by the methods of solvent extraction and chromatographic technique, and their structures were identified on the basis of the analyses of spectral
[Chemical constituents from lipophilic parts in roots of Angelica dahurica var. formosana cv. Chuanbaizhi].
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Σύνδεση εγγραφή
The chemical constituents from lipophilic parts in the roots of Angelica dahurica var. formosana cv. Chuanbaizhi 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
Separation and quantitative analysis of coumarin compounds from Angelica dahurica (Fisch. ex Hoffm) Benth. et Hook. f by pressurized capillary electrochromatography.
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Σύνδεση εγγραφή
A pressurized capillary electrochromatography (pCEC) method with post-column detection cell has been developed for the therapeutically important coumarins from Angelica dahurica extract. The separation of five major coumarins (xanthotoxol, osthenol, imperatorin, oxypeucedanin hydrate, byakangelicin)
High-performance liquid chromatographic method for the determination and pharmacokinetic study of oxypeucedanin hydrate and byak-angelicin after oral administration of Angelica dahurica extracts in mongrel dog plasma.
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Σύνδεση εγγραφή
A high-performance liquid chromatographic method was developed and validated for the determination and pharmacokinetic study of oxypeucedanin hydrate and byak-angelicin after oral administration of Angelica dahurica extracts in mongrel dog plasma. The coumarin components and the internal standard
Sodium desoxycholate-assisted capillary electrochromatography with methacrylate ester-based monolithic column on fast separation and determination of coumarin analogs in Angelica dahurica extract.
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Σύνδεση εγγραφή
A rapid and sensitive CEC method with methacrylate ester-based monolithic column has been developed for separation and determination of five coumarins (byakangelicin, oxypeucedanin hydrate, xanthotoxol, 5-hydroxy-8-methoxypsoralen and bergapten) in Angelica dahurica extract. Surfactant sodium
Sensory-guided identification of bitter compounds in Hangbaizhi (Angelica Dahurica).
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Σύνδεση εγγραφή
As a traditional Chinese medicine, Angelica dahurica (Fisch. ex Hoffm.) Benth. et Hook. f. ex Franch. et Sav. cv. Hangbaizhi (Hangbaizhi) is not only used for the curative treatment of diseases such as the common cold and toothache, but also is an important spice that is used to increase the aroma
Coumarins from the roots of Angelica dahurica cause anti-allergic inflammation.
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Σύνδεση εγγραφή
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.
[Quantitative determination of nine furanocoumarins for quality evaluation of Angelica dahurica from different habitats].
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Σύνδεση εγγραφή
A UPLC method has been developed for simultaneous determination of nine furanocoumarins of Angelica dahurics,and was used for quality evaluation of A. dahurica from different habitats. ACQUITY UPLC BEH C18 chromatographic column was employed,the separation was performed with the mobile phase
Simultaneous determination and pharmacokinetics of sixteen Angelicae dahurica coumarins in vivo by LC-ESI-MS/MS following oral delivery in rats.
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Σύνδεση εγγραφή
BACKGROUND
The roots of Angelica dahurica cv. Qibaizhi is frequently used in clinical practice as a traditional Chinese medicine. However, a comprehensive study of the pharmacokinetics of this medicine has not been carried out.
METHODS
A sensitive and specific liquid chromatographic-tandem mass
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