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A novel polysaccharide fraction (LP2-1) was isolated and purified from the edible bulbs of Lilium lancifolium Thunb. by DEAE cellulose chromatography and Sephacryl S-400 size-exclusion chromatography. The structural characterisation, physicochemical properties and antioxidant activity of LP2-1 were investigated. The results showed that LP2-1 had an average molecular weight of approximately 8.52×10...
A water-soluble heteropolysaccharide DNP-W3 with a molecular mass of 710kDa was obtained from the stems of Dendrobium nobile Lindl, a well-known edible and medicinal plant in Southeast Asia. It had [α]D20 +19.6° (c 0.5, H 2 O) and contained galactose, rhamnose and arabinose in a molar ratio of 3.1:1.1:1.0. Structural features of the purified polysaccharide were elucidated by a combination...
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