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ISSN Печать: 1521-9437
ISSN Онлайн: 1940-4344
Indexed in
Chemical Characterization and In Vitro Antioxidant Activity Evaluation of Polysaccharides from the Fruiting Bodies of the Red Heart Mushroom Phellinus pini (Higher Basidiomycetes)
Краткое описание
Phellinus pini is a precious medicinal mushroom. Three water-soluble fractions of crude polysaccharides (PP30, PP60, and PP80) were obtained from the fruiting bodies of Ph. Pini. The basic chemical characterization and in vitro antioxidant activity of these 3 polysaccharides were determined. All 3 crude polysaccharides were heteropolysaccharide complexes with a small amount of protein (1.14−2.55%) and uronic acid (2.06−4.11%). The monosaccharide composition of PP30, PP60, and PP80, as a molar ratio, was mannose (1.00):glucose (18.7):galactose (0.92), fucose (0.47):3-0-Me-Gal (0.51):mannose (1.00):glucose (7.86):galactose (1.10), and rhamnose (0.12):fucose (0.32):xylose (0.17):3-0-Me-Gal (0.26):mannose (1.00):glucose (4.79):galactose (0.53), respectively. The in vitro antioxidant activities of crude polysaccharides were evaluated by 2,2-diphenyl-1-picrylhydrazyl, 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt, hydroxyl radical, and ferric-reducing antioxidant power methods. The antioxidant data obtained using these methods were in accordance with each other and decreased in the same order of PP80 > PP60 > PP30 at a concentration of 0.1−2.5 mg/mL.
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