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Table 3 The A 570 values of the optimal APS concentration and antiviral assays (78.216 and 4.83μg/mL)

From: Astragalus polysaccharide enhances immunity and inhibits H9N2 avian influenza virus in vitro and in vivo

Groups APS concentration
  78.21μg/mL 39.09μg/mL 19.31μg/mL 9.266μg/mL 4.83μg/mL
APS 0.289 ± 0.0081abcd* 0.281 ± 0.007abcde* 0.265 ± 0.005df* 0.264 ± 0.002cf* 0.243 ± 0.007ef*
Pre-add APS 0.254 ± 0.012ab* 0.249 ± 0.005ab* 0.252 ± 0.006ab* 0.246 ± 0.001ab* 0.249 ± 0.002ab*
Post-add APS 0.189 ± 0.008e 0.181 ± 0.006de 0.176 ± 0.007abd 0.177 ± 0.006abc 0.155 ± 0.008ac
Sim-add APS 0.189 ± 0.006abcd 0.180 ± 0.004abcd 0.171 ± 0.003def 0.162 ± 0.004df 0.161 ± 0.005f
Virus Control 0.175 ± 0.007
Cell Control 0.242 ± 0.002*
  1. a-f data within row without the same superscripts differ significantly (P <0.05). *Data differed significantly (P < 0.05) when compared with virus control.
  2. APS = Astragalus polysaccharide.