Green Tea (Camellia sinensis): A Review of Its Phytochemistry, Pharmacology, and Toxicology

) is a kind of unfermented tea that retains the natural substance in fresh leaves to a great extent. It is regarded as the second most popular drink in the world besides water. In this paper, the phytochemistry, pharmacology, and toxicology of green tea are reviewed systematically and comprehensively. Key findings Green tea has been demonstrated to be good for human health. Nowadays, multiple pharmacologically active components have been isolated and identified from green tea, including tea polyphenols, alkaloids, amino acids, polysaccharides, and volatile components. Recent studies have demonstrated that green tea shows versatile pharmacological activities, such as antioxidant, anticancer, hypoglycemic,…

• NN
  National Natural Science Foundation of China

  Awards: U1804179, 202102310190, 2022-QN-049, 2018001
• XN
  Xinyang Normal University
• NS
  Nanhu Scholars Program for Young Scholars of Xinyang Normal University

  Award: 2018001