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Sayfa 1 itibaren 19 Sonuçlar
[Correlation between chemical constituents and ecological factors of Astragalus membranaceus var. mongholicus].
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Principal component analysis (PCA) and correlation analysis (CA) were applied to analyze the correlation of the main chemical components in Astragalus membranaceus var. mongholicus and ecological factors. The results showed that the contents of astragaloside, campanulin, ononin, kaempferol and
Combined effects of fangchinoline from Stephania tetrandra Radix and formononetin and calycosin from Astragalus membranaceus Radix on hyperglycemia and hypoinsulinemia in streptozotocin-diabetic mice.
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The anti-hyperglycemic action of Stephania tetrandra Radix (Stephania) is potentiated by Astragalus membranaceus BUNGE Radix (Astragali) in streptozotocin (STZ)-diabetic ddY mice (Tsutsumi et al., Biol. Pharm. Bull., 26, 313 (2003)). Fangchinoline (0.3-3 mg/kg), a main constituent of Stephania,
Astragalus membranaceus flavonoids (AMF) ameliorate chronic fatigue syndrome induced by food intake restriction plus forced swimming.
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OBJECTIVE
Alteration of immune function may be associated with chronic fatigue syndrome (CFS) and this study reveals the immunoregulatory effect of Astragalus membranaceus flavonoids (AMF).
METHODS
CF rats were induced by food intake restriction plus forced swimming for 6 weeks.
RESULTS
An atrophied
Structural Characterization and Evaluation of the Antioxidant Activity of Phenolic Compounds from Astragalus taipaishanensis and Their Structure-Activity Relationship.
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Eight phenolic compounds were isolated using bio-guided isolation and purified from the roots of Astragalus taipaishanensis Y. C. Ho et S. B. Ho (A. taipaishanensis) for the first time. Their structures were elucidated by ESI-MS, HR-ESI-MS, 1D-NMR and 2D-NMR as 7,2'-dihydroxy-3',4'-dimethoxy
Simultaneous determination of six active metabolites in Astragalus mongholicus (Fisch.) Bge. under salt stress by ultra-pressure liquid chromatography with tandem mass spectrometry.
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Astragalus membranaceus Bge. var. mongholicus (Bge.) Hsiao (A. mongholicus, family Leguminosae) is one of the most important traditional Chinese herbs because it contains lots of bioactive metabolites, which have beneficial and pharmacological effects on health. Simultaneously, it has been proved to
Studies of chemical constituents and their antioxidant activities from Astragalus mongholicus Bunge.
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OBJECTIVE
To evaluate the antioxidant activities of different chemical constituents from Astragalus mongholicus Bunge and their protection against xanthine (XA)/xanthine oxidase (XO)-induced toxicity in PC12 cells.
METHODS
The compounds of Astragalus mongholicus Bunge were isolated by chromatography
A simple and sensitive LC-MS/MS approach for simultaneous quantification of six bioactive compounds in rats following oral administration of aqueous extract and ultrafine powder of Astragalus propinquus: Application to a comparative pharmacokinetic study.
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A rapid, simple and selective approach based on ultra-high performance liquid chromatography tandem with mass spectrometry was established and validated for simultaneous quantification of six compounds in rat plasma, including astragaloside I, astragaloside II, astragaloside IV,
Simultaneous quantification of three isoflavonoid glycosides in rabbit plasma after oral administration of Astragalus mongholicus extract by high-performance liquid chromatography coupled with electrospray ionization tandem mass spectrometry.
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A selective and sensitive liquid chromatography coupled with triple stage quadruple tandem mass spectrometry (HPLC/TSQ-MS/MS) was developed and validated for simultaneous quantification of calycosin-7-O-beta-D-glycoside (CCSG), formononetin-7-O-beta-D-glycoside (Ononin) and
[Isoflavonoids from roots of Astragalus membranaceus var. mongholicus].
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OBJECTIVE
To study the isoflavonoid constituents of the roots of Astragalus membranaceus var. mongholicus.
METHODS
Such column chromatography methods as HPD-100 macroporous adsorption resin, silica gel, polyamide and Sephadex LH-20 gel were used for seperating and purifying isoflavonoids, and their
Astragalus membranaceus improves therapeutic efficacy of asthmatic children by regulating the balance of Treg/Th17 cells.
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Astragalus membranaceus may be a potential therapy for childhood asthma but its driving mechanism remains elusive. The main components of A. membranaceus were identified by HPLC. The children with asthma remission were divided into two combination group (control group, the combination of budesonide
Extract from Astragalus membranaceus inhibit breast cancer cells proliferation via PI3K/AKT/mTOR signaling pathway.
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BACKGROUND
Astragalus membranaceus (AM) is a commonly used herb in traditional Chinese medicine (TCM), which has been used as an essential tonic to treat various diseases for more than 2000 years. In this study, we aimed to investigate the biological effects of extract from AM on breast cancer cell
Liquid chromatography-electrospray ionization mass spectrometry study of the flavonoids of the roots of Astragalus mongholicus and A. membranaceus.
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High-performance liquid chromatography-electrospray ionization mass spectrometry has been applied to analyze the flavonoids of Huangqi, the roots of Astragalus mongholicus and A. membranaceus. Eight flavonoids were identified as calycosin-7-O-beta-D-glucoside,
A rapid method for sensitive profiling of bioactive triterpene and flavonoid from Astragalus mongholicus and Astragalus membranaceus by ultra-pressure liquid chromatography with tandem mass spectrometry.
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Astragalus is one of the most popular Chinese herbal. Control of Astragalus quantity is most important, since that various varieties and ages largely affect bioactive metabolites and different pharmacological effects. Astragalus mongholicus and Astragalus membranaceus are both major sources of
Isoflavonoids from Astragalus mongholicus protect PC12 cells from toxicity induced by L-glutamate.
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lsoflavonoids, formononetin, 9,10-dimethoxypterocarpan 3-O-beta-D-glucoside, ononin, calycosin 7-O-glc and calycosin, were isolated from the roots of Astragalus mongholicus Bunge (Leguminosae). The neuroprotective roles and direct antioxidant effects of these isoflavonoids were investigated by using
Protection of PC12 cells against superoxide-induced damage by isoflavonoids from Astragalus mongholicus.
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OBJECTIVE
To further investigate the neuroprotective effects of five isoflavonoids from Astragalus mongholicus on xanthine (XA)/ xanthine oxidase (XO)-induced injury to PC12 cells.
METHODS
PC12 cells were damaged by XA/XO. The activities of antioxidant enzymes, MTT, LDH, and GSH assays were used to
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