1. appearance: genuine panax notoginseng is spindle-shaped or cone-shaped, about 1-6 cm long and L-4 cm in diameter. There are stem marks on the neck, tumor-like protrusions around it, and traces of broken branches and roots on the side. Its surface is bright gray-green, and there are some residual loose skin, horizontal lenticels and discontinuous longitudinal wrinkles in the ash. Solid, the cortex is separated after crushing, and the central xylem is dark in color, showing a chrysanthemum heart shape. It is best to be big, strong, heavy, thin-skinned, gray-green or yellow-green, crack-free and chrysanthemum-hearted.
Fake products, usually the dry roots of E wood, are oval and conical, with a yellowish brown surface and a length of 3-6 cm. They are carved with artificial knives, like the real ones, with light weight and brownish yellow cross section, which is obviously different from the real ones.
2. Taste identification: genuine Panax notoginseng has the smell of ginseng, which will be sweet after bitter taste, while counterfeit products are slightly spicy, slightly bitter, spicy but not sweet.