The source is from the root cortex of Lycium chinensis Mill, and L. barbarum L., family Solanaceae. The medicinal herb is produced in all parts of China, and Lycium barbarum L. in the provinces of Ningxia, Gansu, etc. It is dug and collected in the early stage of spring or after autumn, dried in the sun for medication.

Medicinal Properties:
Sweet and bland in flavor, cold in nature and attributive to the lung, liver and kidney meridians.

Actions:
Cool the blood and reduce bone steaming, clear the lung to lower lung-fire.

 

Application
1. It is used for fever due to yin-deficiency, hectic fever due to yin deficiency with night sweating, and as an essential herb to treat fever due to yin deficiency. It is usually combined with Zhimu (Rhizoma Anemarrhenae), Biejia (Carapax Trionycis ), Yinchaihu (Radix Stellariae), etc.
2. It is used for cough and dyspnea due to lung-heat. It can clear away both asthenia and sthenia heat and is especially effective in clearing and purging lung-heat and fire hiding in the lung, usually combined with Sangbaipi ( Cortex Mori), Gancao (Radix Glycyrrhizae), etc., such as Xiebai San (Powder).
3. For bleeding due to blood-heat manifested as haematemesis, epistaxis and hematuria, It can be used alone or together with Baimaogen (Rhizoma Imperatae ) , Cebaiye ( Cacumen Biotae ) , etc..
4. For diabetes due to internal heat, it can be used together with Shengdihuang (Radix Rehmanniae ), Tianhuafen ( Radix Trichosanthis ), Wuweizi ( Fructus Schisandrae) and others that promote the production of the body fluids to relieve thirst.

Usage and Dosage:
6 -15 g is used in decoction for oral use.