The scientific name of menstruation cuisine is Peucedanum, which has inhibitory effect on P388 leukemia and has been proved to have anticancer effect by pharmacological research. Slightly cold in nature, bitter and pungent in taste. Return to lung meridian.

Radix Peucedani contains coumarins and volatile oils such as imperatorin A, imperatorin B, imperatorin C, imperatorin, imperatorin, oxyimperatorin, purpurin IV, purpurin V, imperatorin I, imperatorin II and imperatorin III, and the main components in the oil are bergamot and ferulic acid.

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Radix Peucedani is distributed in Gansu, Henan, Guizhou, Guangxi, Sichuan, Hubei, Hunan, Jiangxi, Anhui, Jiangsu, Zhejiang and Fujian (Wuyishan) in China. It grows on the edge of hillside forest, roadside or semi-shady hillside grass at an altitude of 250-2000 meters. The type specimens were collected from Yichang, Hubei.

Peucedanum praeruptorum is a perennial plant, and it likes a cold and humid climate. The soil with deep, loose and fertile sand is better. The Pingba area with high temperature and long duration and the places with excessive shade and poor drainage are not suitable for planting, and the sticky yellow soil and dry and barren river sand are not suitable for planting.

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