Chinese herbal medicine Zi Zhu Ye is the dried leaves of the plant Du Hong Hua, also known as Centaurea cyanus. It is harvested during the summer and autumn seasons when the branches and leaves are lush, and then dried. It can be used to stop bleeding after tooth extraction by applying Zi Zhu Ye powder to a sterilized cotton ball.
Image of Zi Zhu Ye
【Stopping Bleeding with Zi Zhu Ye】
To stop bleeding after tooth extraction: Apply Zi Zhu Ye powder to a sterilized cotton ball and place it at the extraction site. (From "Fujian Folk Herbal Medicine")
Stopping bleeding: It can be taken orally, injected, or used topically in different dosage forms.
1. Powder - Take 1-2g orally, 3 times a day; or take 1-5g orally, 6-10g per day. It can also be used topically to treat nosebleeds, bleeding from wounds, and bleeding after tooth extraction.
2. Solution - Prepare a 10% solution with dried Zi Zhu Ye extract and make it into a hemostatic gauze for various surgical hemostasis.
3. Injection - Zi Zhu Ye is extracted using ethanol to make an injection. 2ml of the injection is equivalent to 2g of the crude herb. It is administered intramuscularly.
In addition, it can also be made into decoctions and tablets for oral administration. All of the above preparations have hemostatic effects and are used clinically for various conditions such as hemoptysis, hematemesis, bleeding, gingival bleeding, hematuria, hematochezia, functional uterine bleeding, bleeding from wounds, and postoperative oozing.
【Effects and Actions of Zi Zhu Ye】
Zi Zhu Ye has the effects of cooling blood, astringing and stopping bleeding, promoting blood circulation, resolving stasis, detoxification, and reducing swelling. It is commonly used for bleeding, hemoptysis, hematemesis, hematochezia, dysfunctional uterine bleeding, bleeding from wounds, and burns.
From "Clinical Handbook of Commonly Used Chinese Herbal Medicines": Zi Zhu Ye has a cooling nature without being excessively cold, and it also promotes blood circulation. Therefore, it can stop bleeding without causing blood stasis, promote blood circulation without causing depletion, and cool the blood without causing obstruction. It is an excellent herb for stopping bleeding and is widely used for internal and external bleeding caused by various reasons.
【Botanical Characteristics of Zi Zhu Ye】
Zi Zhu Ye is a deciduous shrub. The small branches are covered with yellow-brown star-shaped hairs.
The leaves are opposite, elliptical or ovate, with a blunt or wide wedge-shaped base. The upper surface has fine coarse hairs, and the lower surface has yellow-brown star-shaped hairs. There are 8-12 pairs of lateral veins, and the edges have teeth and fine serrations. The leaf stalk is densely covered with yellow-brown star-shaped hairs. The flowers are clustered in umbels in the leaf axils. The calyx is bell-shaped, with 4 lobes and blunt triangular shape. Both the calyx and the pedicel are covered with star-shaped hairs. The corolla is short and tubular, with 4 lobes and purple color, and it is hairless. There are 4 stamens, longer than the corolla. The pistil is single, with a 4-chambered ovary. The style is slender and taller than the stamens, with a single stigma. The small achene is purplish-red. It blooms in the summer and autumn seasons.
