Pu-erh tea belongs to a post-fermented tea, which is one of the unique and famous dark tea in China. It is favored by the vast number of consumers because of its many special health functions. Tea pigments are regarded as one of the main compositions of the pharmacological action of pu-erh tea. At present, the research of chemical composition, nature and pharmacological mechanism of pu-erh tea pigments has become an inescapable and very important difficulty. The paper studied the pu-erh tea pigments extract...