Different from ordinary agarwood, Qin 'an agarwood is soft in texture. According to the records in the Qing Palace, Emperor Qianlong and Emperor Jiaqing sent full-time ministers to collect Baiqinan in Erlangba, Chishui, Guizhou.
Extended data:
Classification of Aquilaria sinensis
1, Bai Qinan
The number is the least, and only those who have witnessed it have heard of it. It is said that it has a special taste, soft texture, unparalleled smell and lasting fragrance. Putting it in the mouth will make people feel numb, but it will not make people feel uncomfortable, and the price is extremely high. White chess may refer to a knotted green chess, that is, a log containing green chess oil.
2, Ying Ge green ripe knot
Color, such as warbler hair, is the rarest. When cutting Qin 'an section, it is dark green, with more green and less yellow. Its grade is like the yellow oriole's feathers shining green and fragrant. If you enjoy its taste with a censer, it should be the top enjoyment of smell.
3. Orchids are ripe
It is light green and black in color, sweet in taste and sticky in teeth. Layers are like petals, and the inner layer is as beautiful as a flower heart, which is generally called Douglas fir. Soft texture, the tongue will feel numb and sticky, and the burning will be mellow and lasting.
Baidu Encyclopedia-Qi Chen Nanxiang