Coptis chinensis.

Cinnamon, a traditional Chinese medicine, has a pungent and hot nature. It has the functions of activating blood circulation and unblocking meridians, warming the middle and dispersing cold, warming the kidneys and replenishing yang, and inducing fire to return to the original state. In clinical application, cinnamon is mainly used for its spicy and hot nature and its yang-tonifying effect. It is often used to treat dysmenorrhea and amenorrhea caused by spleen and kidney yang deficiency, cold coagulation and blood stasis in women, and kidney yang deficiency.

Because cinnamon has the effect of inducing fire and restoring vitality, it can also be used to treat insomnia caused by disharmony between the heart and kidneys. It is often used in combination with Coptis chinensis.

The bark, leaves and "osmanthus" (early fruit) of cinnamon all have a strong cinnamon smell. Among them, osmanthus is the strongest, followed by pedicels, bark and leaves. Cinnamon oil can be extracted from branches, leaves, fruits, and pedicels. Cinnamon oil is a raw material for the synthesis of important spices such as cinnamic acid. It is used as a raw material for cosmetics, as an ingredient in chocolate and cigarettes, and as a deodorant, carminative, and irritant. Fragrances, etc., and have antiseptic effects.

Physiological properties of cinnamon

This product is in the shape of a trough or roll, 30 to 1000px long, 3 to 10px wide or in diameter, and 0.2 to 20px thick. The outer surface is gray-brown, slightly rough, with irregular fine wrinkles and transversely protruding lenticels, and some can be seen with gray-white markings; the inner surface is red-brown, slightly flat, with fine vertical lines, and oil marks are visible when scratched.

It is hard and brittle, easy to break, has an uneven cross-section, the outer layer is brown and rough, the inner layer is reddish brown and oily, and there is a yellow-brown line between the two layers. It has a strong aroma, sweet and spicy taste.

Reference for the above content? Baidu Encyclopedia-Cinnamon (Chinese Medicine)