? Distinguish true from false sandalwood

Sandalwood, also known as sandalwood and true sandalwood, is the heartwood of sandalwood. It is listed as woody incense in Compendium of Materia Medica, which is a commonly used Chinese medicine for regulating qi. It can be harvested all year round. Sandalwood is cut into small pieces, and the bark and sapwood are removed. It is mainly produced in India, Indonesia and Australia, and also cultivated in Taiwan Province province of China. There are two kinds of commodities: Dalbergia odorifera and Dalbergia odorifera, which are warm in nature and pungent in taste, and enter the spleen, stomach and lung meridians. They have the effects of regulating temperature, regulating stomach and relieving pain, and are often used to treat chest pain, choking and vomiting, chest and diaphragm discomfort, etc. The wood of cypress, a useful plant in the market, is sprayed with essence and used as sandalwood. Attention should be paid to identification.

The appearance of genuine sandalwood is mostly cylindrical or slightly flat and straight, and a few are slightly curved. It is often sawed into short and unequal sections, generally 50 ~ 100 cm long and 10 ~ 20 cm in diameter. The surface is yellow-brown, the color is dark after being left for a long time, the appearance is smooth and delicate, and there are slender longitudinal cracks at both ends. Look at its rings is not obvious; The smell is fragrant, the taste is light, and the chewing is slightly spicy. Fire identification: Authentic sandalwood has been burned with fire, with strong aroma and slight smoky smell.

False cypress has irregular shape, yellow or yellowish brown surface, rough appearance, longitudinal grooves and scars, and obvious annual rings; The smell is slightly fragrant, such as perfume with pungent smell, and the taste of chewing is slightly bitter. Smoke comes out after burning, and there is no fragrance of sandalwood.

Modern medicine shows that sandalwood has a good curative effect on angina pectoris of coronary heart disease. Honghua Sandalwood Tea can effectively relieve clinical symptoms, improve the blood supply of ECG, reduce the degree of angina pectoris and prolong the interval of angina pectoris. Sandalwood jujube kernel Yu Kai decoction can effectively treat angina pectoris; Guanxin Suhefan Pill, which is used to treat chest obstruction caused by stagnation of cold and obstruction of heart and pulse, contains sandalwood, but the fake cedarwood has no medicinal effect of sandalwood at all, so it can't be used as medicine instead of sandalwood.