Shaped like mica and colored like ice and snow-borneol incense.

Borneol, also known as borneol and brain. According to Sanskrit, Buddhists translate it into "Jie Bo", "Jie Bo" and "Gububo Method".

Dipterocarbon is a kind of almost white crystal condensed from the resin of Dipterocarpaceae Dipterocarpaceae, which was called "Dipterocarbon" in ancient times to show its preciousness.

Natural borneol crystals are mostly formed in the cracks of the trunk, with small particles and large ones in the form of flakes. It is best to slice large and tidy, with rich aroma and no impurities.

Plum-shaped ice flakes "shaped like mica and colored like ice and snow" are the top grade of borneol, which was called "plum blossom brain" by the ancients; Broken particles with poor grades, like rice grains, are called "rice brains"; Crystal particles mixed with sawdust are called "Cang nao"; What becomes oil without crystallization is called "oil brain".

Borneolum mostly grows in tropical and subtropical areas, and its shape is similar to that of fir trees. The tree body is towering, generally reaching more than forty or fifty meters, and the diameter is also two or three meters. It is an important plant in the tropical rain forest "high altitude".

This tree not only produces borneol, but also its wood is of high quality, and its leaves, flowers and fruits are fragrant.

Borneol resin is very rich, and the resin can be extracted by cutting off the trunk or branches. In addition to natural concentrated borneol crystals, its liquid resin can also be used, which was called "ointment" and "Perrault ointment" in ancient times. At present, borneol used in traditional Chinese medicine is the dry resin of borneol (called borneol in ancient times), or the white crystal distilled from liquid resin (Bolu ointment) or borneol wood.

In fact, in ancient times, people already knew that extracting crystals from the wood of borneol trees by heating distillation ("burning into blocks") was called "cooked brain". Moreover, the ancients also had special methods for the storage and maintenance of borneol incense: "borneol incense and ointment incense ..................................................................................................................................................... (Tang Herbal Medicine)

Natural borneol is pure in texture. When smoked, it is not only fragrant, but also has little smoke. Whether in the East or the West, it has always been regarded as a treasure. During the Tang and Song Dynasties, the envoys of Persia, which produced borneol, and the big grain countries also specially gave borneol as a "national gift" to the emperor of China. Borneolum was introduced to China as early as the Western Han Dynasty. According to Records of the Historian and Biography of Huo Zhi, borneol appeared in Guangzhou in the Western Han Dynasty. At that time, the Maritime Silk Road had a considerable scale, and many articles from India and West Asia had entered the south of China. )

In Buddhism, Borneolum Syntheticum is not only a first-class offering to the Buddha, but also one of the main spices of "bathing Buddha", and it is also included in the "Five Fragrances" of Tantric Buddhism (Aquilaria Resinatum, Sandalwood, Lilac, Tulip and Borneolum Syntheticum). In areas rich in borneol, the tree paste of borneol tree is also used as lamp oil for Buddha lanterns.

Borneolum Syntheticum is called Borneolum Syntheticum in traditional Chinese medicine, which belongs to "aromatic resuscitation" medicine. In traditional Chinese medicine, Borneolum Syntheticum is regarded as "fragrant and easy to disperse". After oral administration, Borneolum Syntheticum has the effect of resuscitation and is suitable for coma, spasm and other syndromes. External use has the effects of clearing away heat, relieving pain, preventing corrosion and relieving itching, and can be used to treat sores, swelling and pain, aphtha and other diseases. Borneolum Syntheticum is one of the main components of Angong Niuhuang Pill, Bingpeng Powder and other traditional Chinese medicines.

Compendium of Materia Medica not only records some shape characteristics of borneol, such as "taking white jade as ice, it is better to make plum blossom slices." So commonly known as borneol brain, or Yunmei brain "; It is also pointed out that twisting borneol with paper, burning cigarettes to smell the nose and spitting can cure many headaches.

Borneolum Syntheticum is not only used for incense and medicine, but also edible. At the royal banquet in China, there was a "swallow" with bird's nest and borneol; In South Asia, betel nut with borneol is the first-class food of local aristocrats; Before the Song Dynasty, people began to mix spices into tea cakes (made of tea and rice) to make "fragrant tea". Most of the spices used are borneol, or borneol is used to soak tea leaves and then press tea cakes, or borneol is directly sprinkled on tea leaves, which is also called "borneol tea".