Research and application of Lycii Fructus in medicinal field

Lycii Fructus (Lycium barbarum, Gouqizi in Chinese name) is one of the most popular Chinese material medica and a common ingredient in tonic food. This fruit has been paid rapidly growing attention for its nutrient value and noticeable pharmacological properties. The present paper focuses on the legal resource of Gouqizi and reviews the main research in medicinal field including botanical identification, ethnopharmacological functions, phytochemistry, pharmacological effects, clinic usages, and safety issues. In addition, some issues needed address will be also discussed. We strongly believe that further investigation will deepen our knowledge of Gouqizi and promote the industrial development in the world.