The chemical name of benzoin is 2- hydroxy -2- phenylacetophenone, the molecular formula is C 14H 12O2, and the relative molecular weight is 2 12.244.

The introduction of benzoin is as follows:

Benzoin is a Chinese translation of Persian mukul and Arabic aflatoon, which originated in ancient countries of interest in Central Asia, Kucha, Caoguo, Arabian Peninsula and Iranian Plateau. It was renamed in Tang and Song Dynasties. "Youyang Miscellany" carried benzoin out of Persia for medicinal purposes. "Newly revised Materia Medica" says: "Benzoin is pungent, fragrant, flat and non-toxic. Evil spirits in the heart of the Lord. Xirong is like turpentine, yellow and black are blocks, and the new one is also flexible. "

Benzoin is a lump of spherical particles with different sizes, reddish brown to grayish brown outside, embedded with yellow and grayish white opaque almond-like particles, and its surface is rough and uneven. Hard and brittle at room temperature, softened by heating. The breath is fragrant and the taste is slightly pungent.

There are two kinds of benzoin: Thai benzoin and Sumatra benzoin. China imports mainly benzoin from Thailand, with specifications such as water rest, drought rest and white gum fragrance.

Benzoin, musk and storax both have the effects of inducing resuscitation, which can treat sudden fainting and closed teeth, but their effects of inducing resuscitation are different. Musk has the strongest effect, and benzoin and storax have similar effects of inducing resuscitation, while musk has the functions of activating qi and dredging collaterals, reducing swelling and relieving pain. Benzoin can also be used for promoting blood circulation, and can also be used for the symptoms of heart ache and postpartum blood dizzy.