Baishao, Shaoyao, Radix Paeoniae Alba Paeoniae Radix Alba (baishao) or white peony root is the dried root of Paeonia lactiflora Pall., family Ranunculaceae.
It has hepato-protective effect, analgesic, muscle spasmolysis. anti-helpatic fibrosis, anti-ulcer, and anti-inflammatory activities. Paeoniae Radix Alba can antagonize cyclophosphamide induced marrow haematogenesis dysfunction and has anti-thrombosis activity. It also has regulating effect on immune function, anti-depressant activity and preventive effect on diabetic nephritis. Bitter and sour in flavor, slighly cold in nature. Enter liver and spleen channels. Nourish the blood, regulate menstruation, preserve blood-yin to reduce sweating, emolliate the liver, relieve pain, stabilize liver-yang.