Green Tea (Camellia Sinensis)
Camellia sinesis is a species of evergreen shrub or small tree whose leaves and leaf buds are used to produce tea and commonly known as ‘tea plant’, ‘tea shrub’, and ‘tea tree’.Camellia sinensis plat is responsible for all kind of real tea in the world. The home land of this plant is china whereas, the native land of its variant species may found in other countries.
According to a popular story regarding discovery of camellia sinensis as its today’s extended form- In 2737 B.C.E. The emperor at the time was boiling water in his garden when a leaf from the overhanging camellia sinensis tree drifted into his pot. The combination yielded a drink that compelled the king to dig upon the properties of the tree further, uncovering both medicinal and palatable usage.
The beginning of usages of Camellia Sinensis
The prior use of Camellia sinensis was observed as the ingredients of various chines medicines for its properties of reducing stress and energy enhancer. Today it has became popular among people due to its content of the polyphenols that have antioxidant properties.
The tea variants yield from camellia sinensis leaves and leaf buds have been consumed by humans for thousands of years as a stimulant, and tea is today the second most widely consumed beverage after water. Additionally, its regular and controlled consumption has long been associated with health benefits against variety of diseases and conditions, including diabetes, inflammation, clastogenesis, vomiting, diarrhea, cardiac ailments.
Clinical observations of Camellia sinensis
More recently, a large number of scientific studies with experimental animals has shown tea to reduce liver injury caused by alcohol, carbon tetrachloride, ischemic reperfusion, lead, viral hepatitis, phenobarbitol, microcystin, azathioprine, galactosamine, lipopolysaccharide, and cypermethrin. Studies have also shown that tea prevents chemical-induced hepatocarcinogenesis.