1. Alias
Danpi, Mu Shaoyao, Luoyang Flower.
2. Plant morphology
Deciduous shrub, 1-2 meters high. The root is cylindrical in shape, with a gray brown or purple brown outer skin and a fragrant aroma. 2-lobed and 3-lobed compound leaves alternate, with ovate leaflets. The apical leaflet is often 3-lobed, and the lateral leaflets are unevenly 2-lobed to 3-lobed or not lobed, with a pinkish white underside. Flower solitary stem apex, diameter 15-20 cm; Sepals 5, persistent; Petals 5, or double petals, white, reddish purple or yellow; Majority of stamens; Heart skin 5, densely covered with fine hairs; The flower plate completely covers the carpel. The fruit is oval in shape and densely covered with short brown hairs. The flowering period is from May to July, and the fruiting period is from July to August.
3. Origin distribution
Cultivated throughout the country. Distributed in Hebei, Henan, Shandong, Shaanxi, Sichuan, Gansu and other places.
4. Harvesting and processing
Harvesting after 3-5 years of cultivation, digging the roots from October to November, washing them, removing the fibrous roots, cutting the bark with a knife, extracting the wood parts, and drying the root bark to obtain "original danpi" (continuous danpi); If you first use a bamboo knife or bowl blade to scrape off the outer skin and then remove the wood, it is called "scraping Danpi" (pink Danpi).
5. Characteristics of medicinal herbs
Cylindrical or semi simple, with longitudinal cracks, slightly curled or opened inward, 5-20 centimeters long, 0.5-1.2 centimeters in diameter, and 0.1-0.4 centimeters in skin thickness. The outer surface is gray brown or yellow brown, with many horizontal long skin holes and fine root marks, and the area where the cork peels off is pink. The inner surface is light gray yellow or light brown, with obvious fine longitudinal lines and commonly shiny crystals. Hard and brittle in texture, easy to break, flat in cross-section, light pink in color, powdery. It has a fragrant aroma and a slightly bitter and astringent taste.
6. Sexual Taste Returning to the Classics
Slightly cold in nature, bitter and pungent in taste. Returning to the Heart Meridian, Liver Meridian, and Kidney Meridian.
7. Effect and Function
Clear heat and cool blood, promote blood circulation and remove stasis. A heat clearing and blood cooling medicine classified under the category of Qingre medicine.
8. Clinical application
Dosage 6-12 grams, decoct in water and take orally. Used to treat warm and toxic spots, vomiting and bleeding, night heat and early cooling, sweating and bone steaming, menstrual cramps, abscesses, sores, and injuries caused by falls and blows.
9. Pharmacological research
Has a central inhibitory effect; Improve the function of the cardiovascular system; Has significant anticoagulant effect; Anti inflammatory and antibacterial; Can enhance the immune function of the body; It has a significant inhibitory effect on stress-induced gastric ulcers and gastric juice secretion in rats, as well as an inhibitory effect on ileal and uterine contractions, and a diuretic effect; It has a significant inhibitory effect on calcium channel blocker receptors in vitro.
10. Chemical composition
This product mainly contains paeoniflorin, benzoyl paeoniflorin, benzoyl oxidized paeoniflorin, oxidized paeoniflorin, paeoniflorin, paeoniflorin, gallic acid and other ingredients.
11. Usage taboos
Pregnant women and women with excessive menstruation are prohibited from taking it due to blood deficiency and deficiency cold.
12. Compatibility prescription
① Treating kidney deficiency and lower back pain: Peony bark, Bixie, Atractylodes macrocephala, Gui (removing rough skin), etc. Add four flavors and grind them into powder. Take 9 grams per serving and adjust to warm wine. (Peony Powder in the General Record of St. Ji)
② Treatment of dysmenorrhea: 6-9 grams of peony bark, 9-12 grams of Xianhe grass, June snow, and locust flowers each. Boil in water, mix with yellow wine and brown sugar, and take on an empty stomach in the morning and evening during menstruation. Avoid eating sour, spicy, and mustard greens. (Qingdao Herbal Medicine Handbook)
③ Treating wrist folds and blood stasis: 20 flies and 30 grams of peonies. Treat the upper two flavors and sieve the lower one. Take 1 gram of wine and turn blood into water. (From "Qian Jin Yao Fang")
④ Treating internal leakage of Golden Ulcer without bleeding: Peony bark is in powder form, taken with water for three finger massage, causing urinary bleeding. (From "Qian Jin Yao Fang")
⑤ Treatment of allergic rhinitis: 9g of peony bark, decoct in water and take orally. Taking it continuously for 10 days is considered as one course of treatment. (Qingdao Herbal Medicine Handbook)
⊙ The content of the article is for clinical reference only. Non TCM professionals are not allowed to test drugs.