Product name:nutgrass extract Latin Name: Rhizoma Cyperi Appearance:Yellowish-brown powder Part of the Plant Used: Root Product Specification: 4:1, 10:1, according to customer needs. Functions: XieYu qi, menstrual function pain. For stomach, chest, qi, wan abdominal distension painful, indigestion, menstrual pain, amenorrhea, cold hernia abdominal pain, breast pain.