Gu, Jinyan; Zhang, Haihui; Wen, Chaoting; Zhang, Jixian; He, Yuanqing; Ma, Haile; Duan, Yuqing published the artcile< Purification, characterization, antioxidant and immunological activity of polysaccharide from Sagittaria sagittifolia L.>, Related Products of 3458-28-4, the main research area is Sagittaria polysaccharide purification antioxidant immunol; Antioxidant; Immunomodulatory; Sagittaria sagittifolia L. polysaccharide.
As a healthy food and traditional Chinese medicine, sagittaria sagittifolia L. has been used for a long history. Nevertheless, reports on the bioactivity and chem. characterization of S. sagittifolia L. polysaccharides are still very rare. In this paper, ultrasound-assisted method (UAE) was used to extract S. sagittifolia L. polysaccharides, after alc. precipitation and column chromatog. isolation, the structural characteristics, antioxidant and immunol. activities of the purified polysaccharide (SPU60-W) were preliminarily investigated. The results indicated SPU60-W (16.62 kDa) was a pyranoid polysaccharide containing α-glycosidic bond composed of mannose, xylose, and glucose with a molar ratio of 2.69:2.04:95.27. It consisted of slender wormlike strands, which may involve some degree of aggregation of helixes, as well as a small proportion of irregular spherical structures. Furthermore, antioxidant activity anal. showed that SPU60-W possess excellent hydroxyl and ABTS radical scavenging activity comparable to vitamin C (Vc), and moderate DPPH radical scavenging activity. Immunity tests suggested that SPU60-W significantly promoted the proliferation, phagocytosis and NO production of mouse macrophage RAW264.7. According to this study, SPU60-W might be utilized as a potent antioxidant and immunomodulator in food and medicinal industry.
Food Research International published new progress about Antioxidants. 3458-28-4 belongs to class alcohols-buliding-blocks, and the molecular formula is C6H12O6, Related Products of 3458-28-4.
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