Longjing is a variety of toasted green tea from the lake Xihu in the Longjing village area of Hangzhou, in the province of Zhejiang, China. Longjing tea leaves are toasted at the beginning of processing (after collection) to stop the process natural oxidation, the most tender and newborn leaves are used but not too small. The processing of this tea which provides the heating of the leaves in metal basins (pan firing), always performed by hand, with his gestures that made her famous; Yes they can summarize in: turn, rub, crush and push. Requirement fundamental for a perfect preparation is that the leaves must always be positioned between the operator's hands and the bottom of the basin. The substances present in green tea they reduce levels of LDL cholesterol ("bad" cholesterol), reduce the level of triglycerides, prevent the onset of disease cardiovascular, reduce cellular aging, contain polyphenols that are more powerful than vitamin C and E, contain the methylxanthines (caffeine, theobromine, theophylline) that act on drainage of excess liquids, they have a hypoglycemic action reducing the absorption of sugars, eliminating fats for enzymatic stimulation and increase bone density in women in menopause with a strong remineralizing action important for bones and teeth.