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Table 2 The A 570 values of the optimal APS concentration and antiviral assays (25006μg/mL −156.6μg/mL)

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

Groups Groups
  2,500μg/mL 1,250μg/mL 625μg/mL 321.25μg/mL 156.6μg/mL
APS 0.281 ± 0.026abcd* 0.303 ± 0.0061abc* 0.304 ± 0.019abc* 0.314 ± 0.017ab* 0.308 ± 0.017abc*
Pre-add APS 0.237 ± 0.003a* 0.238 ± 0.004a* 0.241 ± 0.012a* 0.269 ± 0.016b* 0.266 ± 0.006ab*
Post-add APS 0.205 ± 0.011abc 0.204 ± 0.004bd 0.198 ± 0.006de 0.190 ± 0.004de 0.178 ± 0.013de
Sim-add APS 0.166 ± 0.004a 0.174 ± 0.005a 0.181 ± 0.002ab 0.182 ± 0.004abcd 0.183 ± 0.007be
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.