Fu Long Gan (Zao Xin Tu)
【Naming】
【Source】
Ming Yi Bie Lu (Records of Famous Physicians)
【Commonly Used Degree】
D
【Origin】
It is the soil block from the center of the stove base that has been smoked by firewood for a long time.
【Characteristics】
It appears as irregular lumps of varying sizes, with a reddish-brown overall color. The surface has knife marks and sometimes honey-like pores. The texture is relatively hard but can be chopped, releasing fine powder when chopped. It has an earthy smell and feel, and a bland taste.
【Category】
Minerals