Family : Theaceae

Plant parts used : Dried leaves

Chemical constituents : The active constituents in Green Tea are Polyphenols ( Catechins and flavonols).  Other constituents are caffeine and essential oil. 

Pharmacology : The polyphenols in Green Tea are catechins, with multiple linked ring-like structures.  The dominant and most important catechin in Green Tea is ( - ) epigallocatechin  Gallate ( EGCG) a potent anti-oxidant.  It protects against digestive and respiratory infections.  It helps to block cancer promoting actions of carcinogens ultraviolet light and metatasis. Green Tea also blocks the attachment of bacteria associated with dental caries to the teeth.  Green Tea polyphenols have been found to normalize thyroid hyperfunction which induces thyrotoxicosis.  It also prevents the formation of stones in bladder, liver and kidney. 

Therapeutic uses: It is used as anti-oxidant, anticancer and anti-diabetic and for weight loss.  It reduces cholesterol and triglycerides.  It also reduces blood clotting.  Green Tea enhances immune function and improves dental health. 

Standardistation : Green Tea extract is standardized to 50% & 95% Polyphenols / 20% & 45% EGCG.