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

Table 1

Concentrations and molecular weights of the constituents of Brazilian green propolis [27, 29].

PWE components	Content (w/w%) in PWE	Molecular weight (g/mol)
Chlorogenic acid	2.7–3.6	354.3
Caffeic acid	0.2	180.2
3,5-Dicaffeoylquinic acid	4.3–4.9	516.5
3,4-Dicaffeoylquinic acid	3.3–6.1	516.5
4,5-Dicaffeoylquinic acid	—#	516.5
3,4,5-Tricaffeoylquinic acid	0.2	678.6
Quinic acid	—#	192.2

#: data not available.