Identification of Panax Notoginseng

Notoginseng NOTOGINSENG RADIX ET RHIZOMA

[Source] This product is the dried roots and rhizomes of Panax notoginseng (Burk.

[Properties] The taproot is conical or cylindrical, with a length of 1 to 6 cm and a diameter of 1 to 4 cm

The ribs are cylindrical or conical, with a length of 2 to 6 cm, a diameter of about 0.

The cuts are irregularly shrunken blocks and strips.

【Microscopic identification】The powder of this product is grayish yellow

Cross section of root of this product (diameter 1.

【Character identification characteristics】

(1) The taproot is conical or cylindrical

(2) The surface is gray-brown or gray-yellow, with intermittent longitudinal wrinkles and root marks

(3) There is a stem mark on the top and a tumor-like protrusion around it

(4) Kibe is arranged in a radial pattern

(5) Body weight and solid quality

(6) The ribs are cut roots, which are cylindrical or conical

(7) The cuts are fine roots and rhizomes cut off, showing irregularly shrunken blocks and strips, with several obvious stem marks and rings

【Microscopic identification features】

(1) There are many starch grains, single grains are round, semi-circular or round polygonal

(2) The compound granule is composed of 2 to more than 10 granules

(3) The resin duct fragments contain yellow secretions
.

(4) Calcium oxalate cluster crystals are rare
.