Phenethyl caffeate is an organic substance, referred to as CPAE, which is one of the main active components of propolis. It is effective against herpes viruses. It is also inhibited by the components of propolis and adenovirus and influenza virus. CAPE has specific lethality to tumor cells.
Antibacterial and antiviral: It has a wide range of antibacterial effects, but it can be inactivated by protein in the body.
In vitro tests have shown that it has antiviral activity and has a strong inhibitory effect on vaccinia and adenovirus, followed by polio type I and parainfluenza type III viruses.
Anti-venom: Caffeic acid can completely inhibit 20 micrograms of rattlesnake venom phosphodiesterase at a dose of 3 micrograms, and is used as an anti-venom.