Pinyin: Dingxiang
Aliases
Dingzixiang, Gongdingxiang, Zhijiexiang
Source
Myrticaceae family plant *Syzygium aromaticum*Eugenia caryophyllataThunb. dried flower buds.
Botanical Description
See the entry under "Mudingxiang" (Clove fruit).
Harvesting and Processing
Harvest when the flower buds turn from green to red, then dry in the sun.
Medicinal Properties
This product is slightly clove-shaped, 1-2 cm long. The corolla is spherical, 0.3-0.5 cm in diameter, with 4 petals arranged in an imbricate pattern, brownish-brown or brownish-yellow. Inside the petals are stamens and a style; when rubbed, numerous fine yellow granular anthers can be seen. The calyx tube is cylindrical, slightly flattened, sometimes slightly curved, 0.7-1.4 cm long, 0.3-0.6 cm in diameter, reddish-brown or brownish-brown, with 4 triangular sepals at the top arranged in a cross shape. The texture is hard and oily. The odor is fragrant and intense, and the taste is pungent with a numbing sensation on the tongue.
Chemical Constituents
This product contains eugenol, acetyleugenol, isoquercetin, kaempferol, quercetin, caryophyllene oxide, oleanolic acid,α- Yilanyouxi and other constituents.
Pharmacology
Anti-gastric ulcer, anti-diarrheal, cholagogic, analgesic, anti-hypoxic, anticoagulant, anti-mutagenic, antibacterial and insecticidal.
Properties and Channel Entry
Acrid, warm. Enters the Spleen, Stomach, Lung, and Kidney channels.
Functions and Indications
Warms the Middle Warmer, descends rebellious Qi, tonifies the Kidneys and assists Yang
Dosage and Administration
Oral: decoct in water, 2-5 g; or made into pills or powder. External use: appropriate amount, ground into powder for topical application.
Precautions and Contraindications
Contraindicated in febrile diseases and yin deficiency with internal heat.
Prescriptions
1. For vomiting food eaten in the morning (regurgitation): Dingxiang (Clove) 15 pieces, grind into powder. Mix with sugarcane juice and ginger juice to form pills the size of lotus seeds. Hold in the mouth and swallow slowly. (From *Zhaixuan Fang*) 2. For persistent heart pain (cardiac pain): Dingxiang 15 g, Guixin (Cinnamon Twig) 30 g. Pound finely and sift into a powder. Before each meal, take 3 g with warm wine. (From *Shenghui Fang*) 3. For cold-type heart pain with bluish complexion, dark lips, and cold extremities: Dingxiang, Liangjiang (Galangal), and Guangui (Cinnamon) 4.5 g each. Decoct in one bowl of water to seven-tenths, then add 20 black peppercorns fried until yellow and ground into powder, stir into the decoction, and take hot. (From *Xinyi Ji*) 4. For uterine bleeding (metrorrhagia) in women, continuous day and night: Dingxiang 60 g, two *sheng* of wine, decoct to one *sheng*, take in divided doses. (From *Meishi Fang*) 5. For cracked nipples: Pound Dingxiang into powder and apply topically. (From *Meishi Fang*)

