Guiding

(collection of compendium)

[synonym] Zi (baicaojing), Guizi (records of traditional Chinese Medicine), GUI (processing standard of Shanghai decoction pieces).

[source] it is the young fruit of Cinnamomum cassia. For plant morphology, please refer to "cinnamon".

[collection] the immature fruit branches were picked from October to November, and the branches were removed and dried in the sun.

[herbal medicine] the dried and tender fruits are enclosed in the perianth of the persistent flowers, all of which are in an inverted cone shape. The outer perianth is cup-shaped, 6-11 mm long, the top is inflated, the edge is 6-lobed, the surface is dark brown, wrinkled, and the base sometimes has a fruit stalk. After peeling off the persistent calyx, we can see the immature fruit, which is oblate, 3-4 mm in diameter, 2 mm thick, yellowish brown and glossy. There is a slightly convex style residue in the middle of the top, a radial wrinkle in the bottom, and a convex ovary stalk in the center. It is soft and easy to crush. It is fragrant and slightly sweet. The meat is thick and fragrant.

Mainly produced in Guangdong, Guangxi and other places.

[chemical composition] it contains alkaloid 0.07%, saponin 2.06%, tannin 2.51% and volatile oil.

Sweet and warm.

[function and indications] records of Chinese materia medica: "it can disperse cold in the middle of the body, and treat stomach cold and vomiting. "

[usage and dosage] oral administration: decoct soup, 1-2 yuan; or grind powder.

[taboo] records of traditional Chinese medicine: "those with Yin deficiency and fire excess should not take it. "

[selected prescription] to treat heartache, dispel cold evil and stomachache: guiding is studied carefully, and three coins are drunk. (hundred grass mirror)