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Effects of North Cordyceps sinensis's Extract on the Reproductivity and Longevity of the Drosophila melangogaster

YANG Dong-mei,CHEN Lin,LONG Can,LIAO Peng,LUO Li, TAO Shuang-lun,ZHANG Li,LI Jun-nian (College of Biology and Environmental Sciences,Jishou University,Jishou 416000,PRC)  
The effects of North Cordyceps sinensis's extract on the reproductivity and longevity of the Drosophila melangogaster were studied by treated Drosophila melangogaster respectively with different concentrations of North Cordyceps sinensis's extract(5.000%,1.250%,0.625%).The results showed that the number of Drosophila fed with 5.000% Cordyceps's extract had a extremely significant difference compared with the contrast group(p0.01);When the concentration of Cordyceps's extract was below 1.250%,there was a trend to increase the Drosophila's reproductive efficiency.It is concluded that Cordyceps's extract cann't extend Drosophila's average lifespan significantly,but it could improve the nutrients accumulation of Drosophila melangogaster's first offspring significantly and promote its growth.
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