The conventional system of medicine plays a noteworthy role in our health care system for the treatment of mankind.
Thuja occidentalis called the tree of life is an endemic plant in eastern North America and cultivated in northern Europe and as
ornamental tree in many other parts of the world. Thuja occidentalis is commonly used herb in Ayurvedic medicine. Recently,
preclinical studies have identified the presence of polysaccharides, flavonoids, tannins and proteins in the ethanol fraction,
which showed antioxidant, antidiabetic and antiulcerative activity. From the clinical studies of various researchers proving its
immune-stimulant and action against warts, however no need to isolate the constituents responsible for the therapeutic action
and to establish of quality parameters for plant drug and its derivatives, capable of ensuring the effectiveness, safety and quality
of products from T. occidentalis. This plant is having ornamental value and also used in landscape architecture. This plant is
also become t
