[Character] Codonopsis is long cylindrical, slightly curved, 10 ~ 35cm long, 0.4 ~ 2cm in diameter. The surface is yellow-brown to gray-brown, with many wart-like stem marks and buds on the root head, and the top of each stem mark is a concave dot; Some have half of the full length, and the cultivated products have little or no ring-shaped horizontal stripes; the whole has longitudinal wrinkles and scattered horizontally long pores, and the branches and roots often have dark brown gums. The texture is slightly hard or slightly tough, the section is slightly flat, with cracks or radial texture, the skin is pale yellow to white to light brown, and the wood is pale yellow. Has a special aroma and a slightly sweet taste.
Codonopsis flavescens (Western ginseng) is 10 to 35 cm long and 0.5 to 2.5 cm in diameter. The surface is yellowish-white to gray-yellow, and the dense circular stripes under the root often reach more than half of the full length. The section has many cracks, the skin is grayish white to light brown, and the wood is light yellow.
Sichuan ginseng is 10 to 45 cm long and 0.5 to 2 cm in diameter. The surface is gray-yellow to yellow-brown with obvious irregular longitudinal grooves.
The texture is soft and strong, the section has fewer cracks, the skin is yellowish white, and the wood is pale yellow.
[Identification] The cross section of this product: the number of cork cells to 10 series, with stone cells on the outside, single or in groups. The cortex is narrow. The phloem is wide, often with fissures on the outside, scattered with light yellow breast duct groups, and often arranged alternately with the sieve duct group. The layers form a loop. Xylem ducts are scattered individually or in groups, and they are arranged radially. Parenchyma cells contain inulin.
[Extract] According to the hot leaching method (Appendix XA) under the alcohol-soluble extract method, use 45% ethanol as the solvent, and not less than 55.0%.
[Processing] Remove impurities, wash, moisten, cut into thick pieces, and dry.
[Sexual flavor and guijing] Gan, Ping. Spleen and lung meridian.
[Functions and Indications] Bu Zhong Yi Qi, Jianpi Yifei. For weak spleen and lungs, shortness of breath, palpitations, diarrhea due to eating less, asthma and cough, internal heat and thirst.
[Usage and dosage] 9 ～ 30g.
[Note] It should not be used with Veratrum.
[Storage] Store in a ventilated and dry place. Mothproof