What is "thujaplicin"

Thujaplicins ( isopropyl cycloheptatrienolones) are series of related chemical substances discovered in the 1930s and isolated from Thuja plicata (western redcedar tree). The three compounds are α-thujaplicin, β-thujaplicin ( hinokitiol), and γ-thujaplicin. They are known for potent anti-fungal and anti-bacterial properties. They are also known to be potent antioxidants.