Lixian County, a fine variety of Chinese herbal medicines, is a specialty in Li County, Gansu Province. It is mainly produced in this county, which is also known as “Lishui Rhubarb,†and “Huanghuangâ€. Lixian Rhubarb is a palmate leaf rhubarb, and its production history began in the Han Dynasty. Li County has a large block size, solid texture, fresh fragrance, good pharmacological properties, and excellent quality. The content of effective ingredients ranks first in China. In 2005, Li County of Li County was certified as a country of origin protection and a country of origin mark.
Rhubarb is a perennial herb of Polygonaceae, also known as the general, Chuanjun, Jinwen, and fire ginseng. The "Shen Nong's Materia Medica" contains: "Rhubarb is a large yellow color, hence the name rhubarb." Rhizomes stout. Basal leaves are large and clumping; cauline leaves are smaller and alternate. Panicles are large, branching, summer flowering, flower talk green or white. Born more than 2,000 meters above sea level in well-drained highland slopes. The use of roots and rhizomes as medicine is an important medicinal material in traditional Chinese herbal medicine treasures. It is also a worldwide drug and is included in the statutory pharmacopoeia of 19 countries.
Rhubarb is suitable for growing on the slopes of cool, damp, and sunny slopes in the chilly and wet areas of 2000-2,400 meters above sea level. It is better to use the soil in the soil of each lobe in the soil of the lofty soil. The growth period of rhubarb is four years, and the planting process can be divided into four stages, namely: nursery - planting - growth, maturity - excavation.
Processing Technology
Most of Lixian Rhubarb is rough-processed, and the processing process is drying-screening-collision-machine-cutting-boxing. Its processing is a superficial handicraft, the craft is simple, the sales still sells the raw material, has not formed the finished product. Gansu Luyang Freeze-dried Products Factory freeze-dried rhubarb slices using frozen technology, after laboratory testing by Lanzhou University, its effective ingredients are much higher than the smoke-cured rhubarb, which for the drying of rhubarb explored an effective way.
Rhubarb is an important species in traditional Chinese herbal medicines. Its main components are glycosides, tannic acid and gallic acid. The grain body is hydrolyzed to produce grape grains and emodin and rhein. According to the theory of traditional Chinese medicine, rhubarb is bitterly cold, and its function is to accumulate stagnation, evade fire, detoxify, and pass through. Pharmacological studies have shown that the following three aspects of pharmacological effects: 1, Dahuang County has extensive anti-virus, antibacterial and antifungal effect, can be used for the prevention and treatment of various inflammation; 2, rhubarb active ingredients can eliminate oxygen free radicals, inhibit lipids over Oxidation has an anti-aging effect; 3, rhubarb has an outstanding role in regulating immune function, has a significant role in the prevention and treatment of urinary system diseases, especially for diabetic patients with hypoglycemic and kidney protection. The above pharmacological effects are also described in the related literature of traditional application of rhubarb.
Rhubarb is one of the four famous drugs of Chinese herbal medicines. Its pharmacological uses are very extensive. The main effects are: breaking the stasis and activating blood, taking diarrhea fever, antibacterial and anti-inflammatory, hepatoprotective diuresis, mediating immunity, delaying senility, reducing blood fat, losing weight, anti-tumor, and stopping bleeding. Pain relief and so on. Moreover, it is also used in the formulation of fructose, beverages, spices, brewing and industrial dyes.
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