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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.