【摘要】 收集8h内羽化而未交配的果蝇进行雌雄分组,每个浓度组20只果蝇,共五个浓度组,每2天记录果蝇生存数,每4天更换培养基,直至果蝇全部死亡。结果表明,五个浓度组果蝇的平均寿命都显示了阳性(P<0.01),表明黄芪延缓衰老的作用非常明显。更多还原

【Abstract】 Objective:To detect the effects of Astragalus membranaceus on delaying the process of aging of Drosophila melangogaster.Methods:Newly enclosed flies within 8 hours were collected and separated them by sex,and each sex was divided randomly into 6 groups,including 5 different Astragalus membranaceus concentrations and one control group,each containing 20 flies.They were serially transferred to vials with fresh medium every 4 days.The numbers of dead and surviving flies were counted every 2 days until all flies died.Results:It was shown that mean life spans of 1.667mg/ml,3.333mg/ml,5.001mg/ml and 6.668mg/ml group flies were statistically longer than that of control group flies.Conclusion:The results show that Astragalus membranaceus has an effect on delaying the process of aging of Drosophila melangogaster.更多还原