Identification of rhubarb and trichosanthes

rhubarb

This product is the dried roots and rhizomes of Rheum palmatum L.

[Properties] This product is cylindrical, conical, oval or irregular, with a length of 3 to 17 cm and a diameter of 3 to 10 cm

Main producing area: Palm leaf rhubarb: Gansu, Qinghai, Sichuan, Tibet

Tanggu special rhubarb: Qinghai, Gansu, Sichuan, Tibet, used to be called northern rhubarb

Medicinal rhubarb: Sichuan, Guizhou, Shaanxi, Hubei, it is often called southern rhubarb

Table 18-14 Comparison of characteristics of rhubarb chaotic varieties

Note: Both the wave leaf group and the heart leaf group (heart leaf rhubarb) contain rhubarb glycosides, while the palm leaf group (genuine) does not contain rhubarb glycosides

Trichosanthin

This product is the dried root of Trichosanthes kirilowii Maxim.

[Properties] This product is irregular cylindrical, fusiform or petal-shaped, 8-16cm long and 1.

The main origin: Trichobitacin: Shandong, Xinxiang, Henan, Hebei Ann Park, Handan

Bilateral Tower: Sichuan

Table 18-15 Comparison table of traits identification characteristics of chaotic varieties of Trichosanthes

Note: Trichosanthes (Nanfang Zhilou) is a variety included in the standard of Chinese medicinal materials in Guizhou Province; the standard for Chinese medicinal materials in Guangxi includes the dried roots of plants of the genus Cucurbitaceae