This product is the calcareous skeleton secreted by coral insects such as the peach-colored coral (Corallium japonicum Kishinouye) of the Coralliidae family. It is distributed in Taiwan and the southern coastal areas. Mainly produced in Fujian, Taiwan, and the Xisha Islands of Guangdong. It is harvested by lowering nets into the seabed. Mostly obtained from residual fragments used in crafting handicrafts for medicinal purposes. It is washed, dried, and ground into fine powder. Originates from the Tang Bencao.

bubble_chart Morphological Characteristics

The intact ones resemble small trees. They are generally broken into short sticks, 2-3 cm in length and 3-5 mm in diameter. They have branches or small protrusions, with many small holes around, and are red in color. The texture is as hard as porcelain, not easily broken. They have no odor. The best quality is characterized by being red both inside and out, heavy, hard and brittle, and robust.

bubble_chart Properties and Meridians

Tang Bencao: "sweet, neutral, nontoxic."

bubble_chart Efficacy

Go to Nebula to improve vision, calm the mind and soothe fright.

bubble_chart Indications

Treats nebula in the eyes, fright epilepsy, and vomiting of blood.

bubble_chart Documentation

1. Bencao Yanyi: "Coral, there is a kind with a red oil color and fine vertical lines, which is lovely; another kind is like the color of Minium, without vertical lines, and is considered inferior. For medicinal use, the red oil-colored one is preferred."
2. Gangmu: "Coral grows at the bottom of the sea, forming forests of five to seven plants, known as coral forests. The red ones are superior; there are also black ones, which are not good; the green ones are also of good quality. In the past, people called the green ones Qinglanggan."

bubble_chart Usage and Dosage

For internal use: Grind into powder, 1-2 fen. For external use: Grind into fine powder and apply to the eyes.

bubble_chart Modern Pharmacology

Contains calcium carbonate, etc.