Chinese Silkvine Root-bark
Xiang Jia Pi (Cortex Periplocae)——Zhong Yao Zhi (Records on Chinese Materia Media)
The Processing of Chinese Silkvine Root-bark
The root bark of the Periploca sepium Bge of family Asclepiadaceae.
Shanxi, Henan and Hebei provinces, etc.
Collected in spring and autumn.
The actual smell and taste
Special fragrant and bitter.
Thick stick and bark, reel in shape without duramen, strong fragrance and
Dried in sunlight, sliced and unprocessed.
The Effect of Chinese Silkvine Root-bark
Pungent, bitter, warm; toxic; liver, kidney and heart meridians entered.
Dispel wind-damp, induce diuresis to alleviate edema.
A. Arthralgia syndrome due to wind-damp
Being pungent and bitter with the action of dispersing and drying, fragrant and warm with unblocking, it can dispel wind-damp and warm meridians to alleviate pain. For arthralgia syndrome due to wind, dampness and cold, pain and spasm of joints, it is often combined with other wind-dispelling, damp-removing and cold-dispelling herbs. For chronic arthralgia syndrome characterized by paralysis of tendons and bones, it should be combined with liver-kidney tonics, tendons-bones-strengthening herbs, and tendons-soothing and collaterals-activating herbs, such as Ba Ji Tian, Huai Niu Xi and Mu Gua.
B. Edema, difficulty in micturition
Being bitter and warm with the action of descending and unblocking, it has the action of inducing diuresis to alleviate edema. For edema and difficulty in micturition, it is often combined with diuresis-inducing, and qi-moving herbs. For instance, Fu Ling Pi, Da Fu Pi and Chen Pi, etc.
Dosage and Administrations
Decoct 3~6 g; or soaked in wine, made in pill or powder for use.
Overdosage should be avoided because it is poisonous.