In recent years, several medicinal plants have been demonstrated as valuable resources of naturally occurring polysaccharide-polyphenolic conjugates. For the first time, this article introduces recent advances of polysaccharide-polyphenolic conjugates isolated from different medicinal plants. The isolation, purification, structural characterization and biological activities of polysaccharide-polyphenolic conjugates are introduced in details. In general, polysaccharide-polyphenolic conjugates can be isolated by hot water or alkaline extraction followed by purification through anion exchange chromatography or gel filtration chromatography. The structures of conjugates are usually characterized by chemical composition analysis, UV-vis, Fourier-transform infrared and nuclear magnetic resonance spectroscopy. Moreover, polysaccharide-polyphenolic conjugates exhibit several biological activities including anticoagulant, antioxidant, radioprotective, anti-platelet, antitussive and bronchodilatory effects. Therefore, polysaccharide-polyphenolic conjugates isolated from medicinal plants are certain to have a bright prospect in the field of food and pharmaceutics.

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http://dx.doi.org/10.1016/j.ijbiomac.2017.10.097DOI Listing

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