Fig. 1

Punicalagin α and β. Chemical structure of anomers (α and β), α-punicalagin, R1 = H and R2 = OH; β-punicalagin, R1 = OH and R2 = H

Punicalagin α and β. Chemical structure of anomers (α and β), α-punicalagin, R1 = H and R2 = OH; β-punicalagin, R1 = OH and R2 = H