Content and composition analysis of polysaccharides from Blaps rynchopetera and its macrophage phagocytic activity

Blaps rynchopetera Fairmaire has a long history of use as a folk medicine in China for treating fever, cough, gastritis, boils, and tumors. In the present study, the content analyses, monosaccharide composition analyses, and the macrophage phagocytic activity of rynchopetera polysaccharides (RPS) we...

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Autores principales: Wang Ying, Yang Yin-He, Luo Qing, Hu Yuan, Lu Qian, Yu Wan-Xin, Chen Jin-Hu, Wang Yu-Jia, Wang Mu-Ling, Zhao Yu, Xiao Huai
Formato: article
Lenguaje:EN
Publicado: De Gruyter 2021
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Acceso en línea:https://doaj.org/article/ad58237692494a40b9c1ef37c9a1f1ae
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Sumario:Blaps rynchopetera Fairmaire has a long history of use as a folk medicine in China for treating fever, cough, gastritis, boils, and tumors. In the present study, the content analyses, monosaccharide composition analyses, and the macrophage phagocytic activity of rynchopetera polysaccharides (RPS) were reported. B. rhynchoptera is rich in polysaccharides (content value 3.97%). Through PMP (1-phenyl-3-methyl-5-pyrazolone) pre-column derivatization and high performance liquid chromatography (HPLC) testing, the results showed that RPS consist of 8 known monosaccharides, including D-mannose (Man), Rhamnose (Rha), D-glucuronic acid (GlcUA), D-galacturonic acid (GalUA), D-glucose (Glc), D-galactose (Gal), Arabinose (Ara), and Fucose (Fuc), with the total content of 171.70 mg g−1 and Glc has the highest content of 45.40 mg g−1. The phagocytic ability of mouse peritoneal macrophages was investigated after RPS stimulating alone and combined with lipopolysaccharide (LPS). RPS played an important role in the engulfment of mouse peritoneal macrophages and can significantly enhance the phagocytic ability of macrophages. However, no synergistic effects were observed when RPS combined with LPS.