Corydalis Rhizoma
Aliases：Yán Hú Suǒ (Corydalis Rhizome); Yuán Hú (Primordial Corydalis); Yuán Hú Suǒ (Primordial Corydalis Rhizome); Xuán Hú (Mysterious Corydalis); Xuán Hú Suǒ (Mysterious Corydalis Rhizome); Yán Hú (Corydalis); Zhì Yuán Hú (Processed Corydalis); Cù Yuán Hú (Vinegar-processed Corydalis).
Cù Yán Hú Suǒ (Vinegar-processed Corydalis Rhizome) is a Chinese medicinal substance. It is a processed product of the Chinese medicinal material Yan Hu Suo (Corydalis Rhizome) after stir-frying with vinegar. Yan Hu Suo is a plant of the Papaveraceae family, and its medicinal part is the dried tuber.
Efficacy & Actions
Invigorates blood, promotes qi circulation, and relieves pain.
Indications
Used for various types of pain due to qi stagnation and blood stasis, including: chest and hypochondriac pain, epigastric and abdominal pain, amenorrhea and dysmenorrhea, postpartum stasis obstruction, traumatic swelling and pain, and chest impediment with heart pain.
Modern Pharmacology
Analgesic effect: This is its core pharmacological action. Improves hemodynamics and hemorheology. Anti-myocardial ischemia, anti-arrhythmic, and anti-cerebral ischemia effects. Clinically used for the treatment of coronary heart disease, myocardial infarction, arrhythmias, gastritis, gastric ulcers, and primary dysmenorrhea, among other conditions.
Ingredients
Characteristic components: Protopine, Palmatine hydrochloride, Berberine hydrochloride, Dehydrocorydaline, Tetrahydropalmatine (THP), Tetrahydroberberine, Corydaline (Corydalis A).
Usage & Dosage
Oral Administration: Decoction: the standard dosage is 3–10g. When taken as powder: 1.5–3g per dose. May also be prepared in pills or powder. Topical Application: Appropriate amount, mixed and applied externally.
Contraindications
Contraindicated during pregnancy. Use with caution in cases of pain due to qi deficiency or blood deficiency. Contraindicated for individuals with a history of allergy to Corydalis Rhizome (Yan Hu Suo). Should not be used together with antacids (such as H2-receptor antagonists, hydrotalcite, sodium bicarbonate, etc.). Should not be used together with Strychnos nux-vomica (Ma Qian Zi), as it may increase its toxic effects. When used with monoamine oxidase inhibitors (MAOIs), its antihypertensive effect may be counteracted. Avoid raw, cold, greasy, and spicy foods during the course of use.
Selected Formulas
For stomach pain due to heat pattern (Jinlingzi San) Take vinegar-processed Yanhusuo (Corydalis) with Chuanlianzi (Toosendan fruit). Grind into powder and take with wine or decoct in water. For stomach pain due to cold pattern (Anzhong San) Take vinegar-processed Yanhusuo with Guizhi (Cinnamon twig) and Gaoliangjiang (Galangal). Decoct in water and drink. For blood-qi pain in women (Jisheng Fang) Take Yanhusuo (peeled, vinegar-fried), Danggui (wine-soaked and fried), and Juhong (red tangerine peel). Grind into powder, make pills with wine-cooked rice paste, and take. For dysentery with abdominal pain (Bencao Gangmu) Take 3 qian of Yanhusuo, mix with rice water, and drink.
Daily Consumption
Store in a well-ventilated, dry place, protected from insects.
Medicinal Parts
Dried tuber.
Selection & Storage
Store in a well-ventilated, dry place, protected from insects.
