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An investigation into the supramolecular structure, solubility, stability and antioxidant activity of rutin/cyclodextrin inclusion complex.
Two-dimensional rotating-frame nuclear Overhauser effect spectroscopy and NMR analyses show that the A ring of rutin was the part of the molecule that most likely inserted into the cavity of HP-β-CD, thus forming a supramolecular inclusion complex, which conferred moderate degrees of protection to r Rutin from degradation by heat and UV radiation during storage, and significantly enhanced its antioxidant capacity as determined by three different procedures. Expand
Nutritional evaluation and antioxidant activity of sesame sprouts.
It was found that the DPPH radical scavenging activity and the reducing power of the sprouts increased as the seeding days progressed, which was positively related to the total phenolic content. Expand
Extraction of flavonoids from flavonoid-rich parts in tartary buckwheat and identification of the main flavonoids
Abstract In order to make full use of tartary buckwheat, a new method separating flavonoid-rich parts from entire kernels and a new process of extracting and purifying flavonoids from theseExpand
Characterization of the Supermolecular Structure of Polydatin/6-O-α-Maltosyl-β-cyclodextrin Inclusion Complex.
The changes of the characteristic spectral and thermal properties ofpolydatin suggested that polydatin could entrap inside the cavity of Malt-β-CD, and to reasonably understand the complexation mode, the supermolecular structure of Polydatin/Malt- β-CD inclusion complex was postulated by a molecular docking method. Expand
Characterization and antioxidant activity of flavonoid-rich extracts from leaves of Ampelopsis grossedentata.
Leaves of Ampelopsis grossedentata have been consumed in southern China as health tea and herbal medicine. In this study, two kinds of flavonoid-rich extracts from leaves of A. grossedentata wereExpand
Comparative evaluation of tannic acid inhibiting α-glucosidase and trypsin.
Tannic acid is a strong anti-α-glucosidase natural inhibitor with a low inhibitory activity for trypsin, thus its roles in functional food and medicinal plants should be re-recognized. Expand
Physicochemical Properties and Antioxidant Activities of Luteolin-Phospholipid Complex
It was found that the luteolin and phospholipid complex was an effective scavenger of DPPH radicals, with an IC50 value of 28.33 μg/mL, and showed the strong antioxidant activity in the Rancimat antioxidant test. Expand
Interaction of cinnamic acid derivatives with β-cyclodextrin in water: experimental and molecular modeling studies.
Experimental results demonstrated that CAs could form 1:1 stoichiometric inclusion complex with β-CD by non-covalent bonds, and that the maximum apparent stability constants were found in caffeic acid followed by p-coumaric acid and ferulic acid. Expand
Supercritical carbon dioxide extraction of ethyl p-methoxycinnamate from Kaempferia galanga L. rhizome and its apoptotic induction in human HepG2 cells
It was concluded that ethyl p-methoxycinnamate not only induced cells to enter into apoptosis, but also affected the progress of the cell cycle. Expand
Application of Response Surface Methodology to Optimize Microwave-assisted Extraction of Polysaccharide from Tremella
Abstract Tremella is an excellent source of polysaccharides. In this study, microwave-assisted extraction was employed to extract polysaccharides from Tremella with water. By using response surfaceExpand