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Physicochemical Characterization of Veronicafolin‐β‐cyclodextrin and Solubility Enhancement of Veronicafolin‐HP‐β‐cyclodextrin Inclusion Compound
Inclusion complexation between veronicafolin, 3,5,4'-trihydroxy-6,7,3'-trimethoxyflavone, and beta-cyclodextrin (beta-CD) was investigated by using H-1 NMR, IR, X-ray diffraction, thermo gravimetric
RP-HPLC Determination of Two Flavonols from Tibetan Medicine Chrysosplenium nudicaule Bunge
Objective:To develop an RP-HPLC method for the determination of two flavonols [5,4′-dihydroxy- 3,6,3′-trimethoxy-flavone-7-O-β-D-glucoside (flavonol 1) and veronieafolin (flavonol 2)]from Tibetan
Advances in Studies on Chemical Constituents and Structure-Activity of Chrysosplenium
In order to further investigate the chemical constituents in Chrysosplenium and offer value connection between activities and the components,the chemical constitution isolated from
The Synthesis of Bichalcone Rhuschalcone I
Rhuschalcone Ⅰ was adopted to two synthetic fragments,compound 8 and compound 10,then the two fragments were combined together.Rhuschalcone Ⅰ were first synthesized by selective
Studies on chemical constituents of essential oil from Swertia chirayita
The essential oil from Swertia chirayita was extracted by steam distillation. The chemical constituents were isolated, and were identified by capillary GC-MS method. 63 compounds from the oil were
The extraction procedure of chlorophyll from Buxus microphylla and the application
The influences of the factors such as temperature,time,extractant ratio(ethanol∶acetone) etc.on the extraction efficiency of chlorophyll from Buxus microphylla were investigated by orthogonal
Synthesis of Novel 3-Chloro-1-(3-chloro-2-pyridinyl)-1H-pyrazole-5-carboxamide Compounds
3-Chloro-1-(3-chloro-2-pyridinyl)-1H-pyrazole-5-formic acid(6)was prepared by hydra-zinolysis of 2,3-dichloropyridine,cyclization with diethyl maleate,and then through chlorination,oxidation and
Decolorization condition of eriochrome blue-black R by immobilized fungal laccase
The immobilized laccase could be repeatedly used to decolorize eriochrome blue-black R, and the decolorization rate was still higher than 94% after the 8th use.
The paper mainly deals with the phosphatide's structure, classify, function and separating and purifying method, as well as its application.