Table 1.
Anti-complementary effects of isolated epimeric ellagitannins by complementary system of classical pathway in vitro.

Sample IC50(μM)a
Ellagi-tannins 2,3-O-4,4′,5,5′,6,6′-HHDP-(α/β)-D-glucose (I) 65.3
pedunculagin (II) 47.7
Positive controls Tiliroside 104
Rosmarinic acid 182
Data were expressed as the mean of three independent replicates.