https://www.selleckchem.com/pr....oducts/SB-431542.htm
A neutral tea polysaccharide (TPSN) was isolated from green tea. Gas chromatography analysis showed that TPSN was composed of d-glucose, l-arabinose and d-galactose residues at a molar ratio of 90.0 9.1 0.9. The weight-averaged molecular weight of TPSN was determined as about 2.0 × 105 g mol-1 using static light scattering analysis. The result of nuclear magnetic resonance (NMR) spectroscopy indicated that TPSN and water-soluble starch had similar structures. TPSN exhibited inhibitory activity towards α-amylase through the noncompetit
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