Essential Oil and Important Activities of Thuja Orientalis and Thuja Occidentalis

The document reviews the essential oils and biological activities of Thuja orientalis and Thuja occidentalis, highlighting their medicinal properties. The oils consist of compounds like thujone-isothujone, fenchone, camphor, a-pinene, and others, contributing to their antimicrobial, antioxidant, and antiviral activities. Thuja occidentalis exhibits hepatoprotective, anti-fungal, anti-diabetic, anti-bacterial, and anti-cancer activities, while Thuja orientalis is known for antibacterial, antipyretic, antitussive, and other activities, with uses in treating androgenic alopecia and acne. Studies cited include the cytotoxic effects of Platycladus orientalis extracts on cancer cell lines, anti-inflammatory effects of its flavonoids, anti-viral properties against SARS-Coronavirus and Herpes Simplex Virus, and the anti-hyperglycemic and hepatoprotective effects of Thuja occidentalis extracts. The document concludes that these plant extracts are promising for developing antimicrobial and bioactive treatments, with their essential oil constituents being key to their biological activity.