Medicinal products category
There are two types of commodities: One is Xining rhubarb: it is processed into a conical shape or waist drum shape, commonly known as eggs, about 6 to 17 centimeters in length, and about 3 to 10 centimeters in diameter; the outer cortex is removed or has a small amount of residue, and the appearance is yellow-brown or red-brown. It can be seen that the white-like rhombuses are reticulate, commonly known as brocade (composed of greyish-white parenchyma and brown-red rays), sometimes a chrysanthemum-shaped spiral star point, often with a rope hole at one end.
Hard texture, yellow-brown cross-section, prominent graininess (commonly known as sorghum), slightly oily, sometimes visible in the near-periphery dark layer formation and radial emission of orange-red rays, purple-brown star points in the pith, closely arranged The ring is ring-shaped and has yellow-brown-red curved lines, also known as brocade.
Special gas, bitter and slightly astringent.
Mainly produced in Qinghai Tongren, Tongde and other places.
In addition, there are still the rhubarb of Liangzhou, the rhubarb of Hezhou, and the rhubarb of Gifu, which are also classified as rhubarb of Xining.
Among them, Liangzhou rhubarb, also known as cool yellow and dog head rhubarb, is shaped like a dog's head and has a round top; the lower part is blunt and round, and its quality is also good. It is produced in Wuwei, Yongdeng and other places in Gansu Province.
Dioscorea rhizoma is generally long-shaped, cut into segments, each of which is often shaped as a segment. The texture is relatively loose. The color of the rhubarb is paler than that of Xining, and the brocade is not obvious. The cross-sectional star is also arranged in a circle. The other is similar to Xining rhubarb.
It is mainly produced in Ganshui, Xishui and Xili.
Rhubarb rhubarb-type products, there are Wen County rhubarb, clear water rhubarb, Zhuanglang rhubarb and other species, produced in Gansu Wen County, Cheng County, clear water and other places.
2 South Rhubarb also known as: Sichuan rhubarb, horseshoe rhubarb.
Dried rhizome for medicinal rhubarb.
Cross-cut into sections, one end slightly larger, shaped like horseshoe, a few also conical or drum-shaped, about 6 to 12 centimeters long, about 5 to 8 centimeters in diameter, the cork has been removed, the surface is yellow-brown or yellow, slightly curved Brown line pattern (Kinky).
Cross-section is brownish, multi-pore, with large star points, irregular arrangement, loose texture, and rich fiber.
Odor is weak.
Commodities include Yahuang and Nanchuan Rhubarb, which are mainly produced in Sichuan Aba Tibetan Autonomous Prefecture, Ganzi Tibetan Autonomous Prefecture, Liangshan Yi Autonomous Prefecture, Ya'an and Nanchuan.
In addition, Shaanxi, Hubei, Guizhou, Yunnan, Tibet and other places also produce.
All kinds of rhubarb mentioned above are better than those with yellowish-brown outer appearance, obvious brocade and star spots, body weight, firm quality, oily, fresh air, bitter taste but not astringent, and sticky chewing.
Another kind of rhubarb is the rhizome and root of the same plant, Rhubarb rhubarb, also known as bitter rhubarb.
It is irregularly cylindrical, reddish-brown and yellow in appearance, with no stripes, hard and light, no star points in cross section, no brocade, and fine, straight red-brown rays.
Qi is not fragrant, bitter and astringent. Quality time. There is abdominal pain after serving.
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