Caffeoylquinic Acids Are Major Constituents with Potent Anti-Influenza Effects in Brazilian Green Propolis Water Extract

Table 2

The EC₅₀ of PWE components determined by curve fitting of the data in Figure 2.

PWE components	EC50 (μM)
Chlorogenic acid	341.5^#
Caffeic acid	191.2^#
3,5-Dicaffeoylquinic acid	207.8^#
3,4-Dicaffeoylquinic acid	81.1±2.9
4,5-Dicaffeoylquinic acid	280.6^#
3,4,5-Tricaffeoylquinic acid	114.6^#
Quinic acid	>1561

#: standard error not deterministic.