A Comparative Look at Resveratrol and Pterostilbene

Resveratrol (3,5, 4’-trihydroxystilbene) and pterostilbene (3,5-dimethoxy-4’-hydroxystilbene) are both chemically classified as stilbene compounds. Biologically, they are both phytoalexins.The phytoalexins are generally lipophilic substances that are products of a plant’s secondary metabolism, and they often accumulate at infection sites to concentrations, which are inhibitory to the development of fungi, bacteria and other pathogens.1 Pterostilbene is closely ...