Yang, Yu published the artcileMicrowave-assisted extraction of an acidic polysaccharide from Ribes nigrum L.: Structural characteristics and biological activities, Recommanded Product: (2R,3S,4S,5R)-2,3,4,5,6-Pentahydroxyhexanal, the main research area is Ribes type 2 diabetes microwave polysaccharide hypoglycemia alpha amylase.
Microwave-assisted extraction of the polysaccharide from blackcurrant (Ribes nigrum L.) fruits (MBP) was optimized using response surface methodol. (RSM). The yield of MBP was 10.59% (weight/weight) under the optimal conditions of power (414 W), liquid to material ratio (31/1 mL/g), and the time (41 min). After purification using D4006 macroporous resin and Sepharose-6B column chromatog., a water-soluble acidic heteropolysaccharide (PMBP) was obtained with a mol. weight of 1.99 × 106 g/mol. PMBP was thermally stable and exhibited excellent rheol. properties. Fourier transform IR spectroscopy, gas chromatog. and NMR anal. confirmed the presence of α-, β-pyranose and six main glycosidic linkages in PMBP. SEM, at. force microscopy, and X-ray diffraction studies demonstrated that PMBP was amorphous aggregates with irregular shape, porous, and smooth surface. Bioactivity assays revealed the notable antioxidant and hypoglycemic activities of PMBP. Moreover, PMBP was kinetically characterized as a competitive inhibitor for α-amylase and α-glucosidase.
Industrial Crops and Products published new progress about Antioxidants. 59-23-4 belongs to class alcohols-buliding-blocks, name is (2R,3S,4S,5R)-2,3,4,5,6-Pentahydroxyhexanal, and the molecular formula is C6H12O6, Recommanded Product: (2R,3S,4S,5R)-2,3,4,5,6-Pentahydroxyhexanal.
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