Astragalin
Astragalin structure
|
Common Name | Astragalin | ||
|---|---|---|---|---|
| CAS Number | 480-10-4 | Molecular Weight | 448.377 | |
| Density | 1.8±0.1 g/cm3 | Boiling Point | 823.2±65.0 °C at 760 mmHg | |
| Molecular Formula | C21H20O11 | Melting Point | 223-229ºC | |
| MSDS | Chinese USA | Flash Point | 291.6±27.8 °C | |
|
Separation of patuletin-3-O-glucoside, astragalin, quercetin, kaempferol and isorhamnetin from Flaveria bidentis (L.) Kuntze by elution-pump-out high-performance counter-current chromatography.
J. Chromatogr. A. 1218(36) , 6206-11, (2011) Flaveria bidentis (L.) Kuntze is an annual alien weed of Flaveria Juss. (Asteraceae) in China. Bioactive compounds, mainly flavonol glycosides and flavones from F. bidentis (L.) Kuntze, have been studied in order to utilize this invasive weed, Analytical high... |
|
|
A sensitive LC-MS/MS method for simultaneous determination of six flavonoids in rat plasma: application to a pharmacokinetic study of total flavonoids from mulberry leaves.
J. Pharm. Biomed. Anal. 84 , 189-95, (2013) A simple and sensitive LC-MS/MS method has been developed and validated for the determination of rutin, isoquercitrin, astragalin, quercetin, kaempferol and isorhamnetin in rat plasma using naringin as the internal standard (IS). The plasma samples were pretr... |
|
|
[Study on the chemical constituets in ethyl acetante extraction from semen litchi].
Zhong Yao Cai 35(1) , 64-6, (2012) To study the chemical constituents in ethyl acetate extraction of Semen Litchi.The compounds were isolated and purified by column chromatography on silica gel and Sephadex LH-20 coupled with preparative silica gel TLC, their structures were identified by phys... |
|
|
Change of supercooling capability in solutions containing different kinds of ice nucleators by flavonol glycosides from deep supercooling xylem parenchyma cells in trees
Cryobiology 63(3) , 157-63, (2011) Highlights ► Low temperature adaptation of xylem parenchyma cells in trees by deep supercooling. ► Existence of supercooling-promoting four kinds of flavonol glycosides. ► Concentration-dependent both supercooling-promoting and ice nucleation-enhancing activi... |
|
|
HPLC analysis of kaempherol and quercetin derivatives isolated by different extraction techniques from plant matrix.
J. AOAC Int. 94(1) , 17-21, (2011) Soxhlet extraction, ultrasound extraction, and accelerated solvent extraction (ASE), followed by RP-HPLC with a photodiode array detector was used for the determination of flavonoids in fruits of Peucedanum alsaticum. Three compounds were identified: a kaemph... |
|
|
Theoretical investigation of the effect of sugar substitution on the antioxidant properties of flavonoids.
Free Radic. Res. 46(3) , 346-58, (2012) Natural flavonoids are secondary phenolic plant metabolites known for their bioactivity as antioxidants. The evaluation of this property is generally done by the estimation of their direct free radical-scavenging activity as hydrogen or electron donating comp... |
|
|
[Chemical constituents from Exochorda racemosa].
Zhongguo Zhong Yao Za Zhi 36(9) , 1198-201, (2011) To study the chemical constituents of Exochorda racemosa.Compounds were isolated and purified by silica gel, Sephadex LH-20, MCI gel and RP-18 column chromatography, and their structures were determined by spectroscopic analysis.Twenty compounds were isolated... |
|
|
[Analysis of fingerprint and bioactive components of Bidens biternata by HPLC].
Zhong Yao Cai 35(6) , 892-6, (2012) To establish HPLC fingerprint of Bidens biternata from different habitats and determine the contents of hyperoside, isoquercetin, astragalin and bipinnatapolyacetylpside.Analysis was carried on Hypersil ODS C18 column (4.6 mm x 250 mm, 5.0 microm) with aceton... |
|
|
[Chemical constituents of flavonoids from flowers of Koelreuteria paniculata].
Zhong Yao Cai 34(11) , 1716-9, (2011) To study the chemical constituents from flowers of Koelreuteria paniculata.Column chromatography and spectral analysis were used to isolate and identify the constituents.The EtOAc fraction from flowers of Koelreuteria paniculata was separated and purified. Ni... |
|
|
Determination of astragalin and astragaloside content in Radix Astragali using high-performance liquid chromatography coupled with pulsed amperometric detection.
J. Chromatogr. A. 1232 , 212-7, (2012) Astragalin and astragalosides were measured in Radix Astragali using reversed-phase chromatography coupled with pulsed amperometric detection. Because the target compounds showed poor stability in aqueous solutions, they were extracted in 100% methanol under ... |