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Table 1 Pharmacologically active substances in Echinaforce (batch: 1023117). Data is presented as the mean of four independent determinations

From: In vitro virucidal activity of Echinaforce®, an Echinacea purpurea preparation, against coronaviruses, including common cold coronavirus 229E and SARS-CoV-2

Compound Concentration (μg/ml)
Caffeic acid 0 ± 0
Caftaric acid 264.4 ± 13.0
Chlorogenic acid 40.2 ± 2.0
Cichoric acid 313.8 ± 0
Cynarin 0 ± 0
Echinacoside 6.9 ± 0.4
PID 8/9a 41.4± 0.2
  1. adodeca2E,4E,8Z, 10E/Z tetraenoic acid-isobutylamide
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