Achyranthes bidentata polysaccharides (ABPS), water_soluble polysaccharides, isolated from the roots of Achyranthes bidentata Bl. of Amaranthaceae family, was divided into four parts, named as Con.1, Con.2, Con....Achyranthes bidentata polysaccharides (ABPS), water_soluble polysaccharides, isolated from the roots of Achyranthes bidentata Bl. of Amaranthaceae family, was divided into four parts, named as Con.1, Con.2, Con.3 and Con.4, respectively, by chromatography on DEAE_Sepharose fast_flow column and Sephadex G_100 column in order. Con.1 was the constituent of high molecular weight and the other three were all of low molecular weight. Micro_Kjeldahl analysis showed that Con.1 contained 3.95% of nitrogen and neither did the other three parts. The antisenile effects of the four parts of ABPS were studied with Drosophila melanogaster. Results showed that Con.1 has no antisenile effect and all the others could significantly increase the average body weight by 3.85%-5.47% and significantly prolonged the average lifespan by 2.61%- 3.16% of D. melanogaster at the concentration of 2 or 5 mg/g (ABPS/medium).展开更多
文摘Achyranthes bidentata polysaccharides (ABPS), water_soluble polysaccharides, isolated from the roots of Achyranthes bidentata Bl. of Amaranthaceae family, was divided into four parts, named as Con.1, Con.2, Con.3 and Con.4, respectively, by chromatography on DEAE_Sepharose fast_flow column and Sephadex G_100 column in order. Con.1 was the constituent of high molecular weight and the other three were all of low molecular weight. Micro_Kjeldahl analysis showed that Con.1 contained 3.95% of nitrogen and neither did the other three parts. The antisenile effects of the four parts of ABPS were studied with Drosophila melanogaster. Results showed that Con.1 has no antisenile effect and all the others could significantly increase the average body weight by 3.85%-5.47% and significantly prolonged the average lifespan by 2.61%- 3.16% of D. melanogaster at the concentration of 2 or 5 mg/g (ABPS/medium).
