In addition to the antioxidant activity, WGP has also shown
good antimicrobial properties. The hydroxyl group in TPC could
interact with the membrane protein of bacteria by hydrogen bonding
and cause the changes in membrane permeability and cell
destruction (Boulekbache-Makhlouf, Slimani, & Madani, 2013;
Puupponen-Pimiä et al., 2001).