Medicinals
suǒ yáng / 锁阳 / 鎖陽 / cynomorium
Latin pharmacognostic name: Cynomorii Herba
Alternate English names:
Alternate Chinese names:
Origin: Plant
Use: medicinal
Category: Supplementing agents / Yáng-supplementing agents
Properties: Sweet; warm.
Channel entry: liver, kidney, and large intestine channels.
Indications:
- Supplements kidney yáng and boosts essence-blood: Infertility, impotence, limp wilting lumbus and knees due to debility of kidney yáng.
- Moistens the intestines and frees the stool:
Intestinal dryness constipation. - ròu cōng róng (肉苁蓉 Cistanches Herba, cistanche) is similar in action to suǒ yáng but has a milder longer-lasting effect. The two stand in a relationship of mutual need.
Dosage & Method:
Oral: 6–12g in decoctions.
Warning:
Contraindicated in the presence of exuberant kidney fire.
Product Description:
The body of this dried herb is roughly cylindrical in shape, with one end slightly thinner than the other. It is 8–21 cm long, and 2–5 cm in diameter. The exterior surface is red-brown or dark brown, shrunken and wrinkled. Sometimes triangular scales are observable. It is hard and not easily broken. The fracture is granular in texture, soft and brown. The decocting pieces are thin transverse slices 1 cm that are often threaded on a string.
Quality:
Long, dry, hard, fat pieces that are a purplish or reddish-brown in color, without any visible stringy sinews are best. When sliced, the cut face should be moist and slightly oily.
Product Area:
Gānsū, Xīnjiāng, Qīnghǎi, and Inner Mongolia.
Etymology:
The name suǒ yáng 锁阳, literally ""locking yáng,"" which apparently reflects the action of safeguarding kidney yang.