This product is the root of Peony Root (Paeonia lactiflora Pall.), a perennial herbaceous plant of the japanese buttercup herb family. Mainly produced in Zhejiang, Anhui, Xichuan and other places. Excavate it in summer and autumn, wash it, remove the head, tail and fine roots, boil it in boiling water and remove the skin, or peel it and boil it until there is no hard core, pick it up and dry it in the sun. Cut into thin slices and used raw or stir-fried or stir-fried with wine.

[Property]

bitter, sour and sweet, slightly cold. act on liver and spleen channels.

[Efficacy]

nourishing blood and regulating menstruation, calming the liver and relieving pain, astringing yin to secure the external.

1. Used for blood deficiency or yin deficiency with hot menstrual irregularities, metrorrhagia and metrostaxis. It has the effect of nourishing blood and regulating menstruation. It is often used with Chinese Angelica, Prepared Rehmannia Root Yellow and the like; if there is heat due to yin deficiency, advanced menstruation, large amounts, or metrorrhagia and metrostaxis, Donkey-hide Gelatin, Chinese Wolfberry Root-bark and the like can be used.
2. It is used for headache, vertigo, flank pain, spasmodic pain in the epigastrium and limbs due to insufficient liver yin, constraining of liver qi or excessive liver yang. It has the effects of nourishing liver yin, regulating liver qi, calming liver yang, relieving pain and relieving pain. To treat ascendant hyperactivity of liver yang and headache, vertigo is often used with Unprocessed Rehmannia Root, Achyranthes Root, Abalone Shell are equally used: to treat liver depression and flank pain, often used with Chinese Angelica, White Atractylodes Rhizome, Bupleurum are used equally; to treat acute pain in the epigastrium and limbs, it is often used together with Liquorice Root; To treat liver and spleen imbalance and abdominal pain diarrhea, it is often used with Saposhnikovia Root and White Atractylodes Rhizome.
3. For yin deficiency night sweat, and disharmony between nutrient and defensive qi exterior deficiency spontaneous sweating syndrome. It can astringe Yin, harmonize Ying and stop sweating. To treat disharmony between nutrient and defensive qi, exterior deficiency spontaneous sweating, often combined with Cinnamon Twig of medicinals, harmonizing nutrient and defensive aspects and antiperspirant; to treat yin deficiency night sweat, it can be used with Unprocessed Rehmannia Root yellow, oyster shell, light wheat, etc., can astringe yin and stop sweating.

[Documentation]

1. Bencao Beiyao: "tonifying blood, purging the liver, replenishing the spleen, astringing liver yin."
2. Bencao Qiuzhen: "red paeony root and peony Root's main indications are similar. But white has the power to collect yin and nourish the qi, while red only has the effect of dispelling evil and promoting blood circulation. White can purge wood from soil, while red can activate stagnation in blood."

[Usage and Dosage]

Decoction, 10-15g; large amount, 15-30g. If you want it to soothe the liver and astringe yin, it can be used raw; for nourishing blood and regulating menstruation, it can be stir-fried or stir-fried with wine.

Counter false hellebore .

[Modern Pharmacology]

This product contains parapharmaceutical glycosides, hydroxy Peony Root glycosides, Peony Root lactone glycosides, benzoyl Peony Root glycosides, as well as benzoic acid, tannins, volatile oils, fatty oils, resins, sugars, mucus, proteins, β-sitosterol, Calcium oxalate, Peony Root alkali, peony phenol and triterpenoids, etc.

• The Peony Root glycosides contained in it have a good antispasmodic effect and have an inhibitory effect on the smooth muscles of the stomach, intestines and uterus of rats; and have certain sedative, analgesic, anticonvulsant, antihypertensive, blood vessel dilation, etc. effect.
• Peony Root and Liquorice Root can treat central or peripheral muscle spasm, as well as pain caused by spasm, such as abdominal pain and gastrocnemius muscle pain.
• Peony Root total glycosides have a regulatory effect on the immune response of mice and enhance myocardial nutritional blood flow;
• Peony Root alcohol extract has an effect on egg white-induced, formaldehyde-induced acute inflammation and cotton ball granuloma in rats. Several inflammation models had significant inhibitory effects.
• Peony Root decoction has an inhibitory effect on certain bacteria and pathogenic fungi.