Guizhou Jianhe Uncaria, also known as the eagle claw wind, gold hook, is an evergreen woody vine plant of the genus Rubiaceae, which is used as a stem and branch, and has the function of clearing heat and calming the liver. It is used for the treatment of headache, dizziness, cold caught, convulsions, convulsions, gestational eclampsia, hypertension, etc. It is the main medicine for treating headache, dizziness and high blood pressure. It is a common traditional medicine in Jianhe County and a major raw material for pharmaceutical companies. It is not only famous in China, but also exported to Japan and South Korea.

Guizhou Jianhe Uncaria, also known as the eagle claw wind, gold hook, is an evergreen woody vine plant of the genus Rubiaceae, which is used as a stem and branch, and has the function of clearing heat and calming the liver. It is used for the treatment of headache, dizziness, cold caught, convulsions, convulsions, gestational eclampsia, hypertension, etc. It is the main medicine for treating headache, dizziness and high blood pressure. It is a common traditional medicine in Jianhe County and a major raw material for pharmaceutical companies. It is not only famous in China, but also exported to Japan and South Korea. Pharmacodynamic effect Jianhe Uncaria is a traditional Chinese herbal medicine in the county. The wild nectar has a storage capacity of more than 3,000 tons. It is widely used in the treatment of hypertension, hyperlipemia, cerebral arteriosclerosis and other cardiovascular and cerebrovascular diseases. Children with convulsions and other diseases. According to the research of Kanazawa University and Zhejiang Medical University, it is determined that Jianhe Uncaria is an effective vascular softener, which is widely used not only in the production of traditional Chinese medicine preparations, but also exported to Japan, Korea and other countries. At present, there are 56 kinds of traditional Chinese medicines, and more than 200 manufacturers use Uncaria as raw materials to produce medicines. The annual consumption of the market is more than 20,000 tons. Industrial development In recent years, the Jianhe County Party Committee and the county government have developed Uncaria as the leading project of agricultural industrialization in the county. Especially after the “Jianhe Goto” in 2011 obtained the national geographical mark protection products, its brand value has been greatly improved. The road to industrialization has been further expanded. At present, the planting area of ​​hook vines in the county is 68,000 mu, and the annual output value is more than 300 million yuan. It is estimated that by 2015, the planting area of ​​the hooks in the county will reach 150,000 mu, and the output value will be more than 1 billion yuan. Jianhe will be the largest hook planting base in the world. Planting History Jianhe Uncaria has a long history of planting and trade. It began as early as the end of the Ming Dynasty. With the rise of Qingshuijiang timber trade, Jianhe Uncaria has become widely known as a famous Chinese herbal medicine in the Central Plains. During the Qianlong period, the "Guizhou Provincial Records" said: Miao Muxing, Hook Tengwang. This means that a large number of Miao woods are shipped abroad, and the cultivation and trade of Uncaria is booming. Since 2003, Jianhe has been planting Uncaria, and now has more than 20,000 acres of hook and vine base. According to the test of Guizhou Provincial Institute of Chinese Medicine, the water, ash and extract of Jianhe Uncaria are better than the relevant indicators proposed by the Chinese Pharmacopoeia (2010 edition). In order to protect the brand of Jianhe Uncaria, to ensure its quality and characteristics, and to protect the legitimate rights and interests of consumers, in early 2009, Jianhe County 0 and relevant departments began to carry out the declaration of the protection of geographical indication products of Jianhe. After the preliminary examination of Guizhou Provincial Bureau of Quality and Technical Supervision and the review and publicity of the General Administration of Quality Supervision, Inspection and Quarantine, after nearly two years of efforts, on November 22, 2010, it successfully passed the assessment of the expert group of the AQSIQ. This is followed by Dejiang Tianma and Chishui. After the traditional Chinese medicine products such as Jinshishi and Dafang Tianma, another Guizhou “authentic medicine” was protected by national laws. The acquisition of the geographical indications of the Jianhe Uncaria brand not only fills the blank of the county's “authentic medicinal materials” but also marks a leap forward in the development of independent intellectual property rights in Jianxian Chinese herbal medicine products. At the same time, on the one hand, Jianhe Chinese herbal medicines continue to flourish, on the other hand, help the majority of drug farmers to embark on the road to prosperity.

Jianhe Uncaria quality technical requirements (a) provenance. Uncaria rhynch0phylla (Miq.) Miq.ex Havil, Uncaria hirsuta Havil. (2) Site conditions. The altitude is 800m to 1000m. The soil type is yellow-red soil and the texture is sandy soil. Soil loose, organic value ≥ 2.6%, soil pH 4.5 to 5.5, fertile, rich in humus, good drainage, slope less than 45 degrees. (3) Cultivation management. 1. Seedling: Seed propagation and cutting propagation, adopting three methods of sowing seedlings (primary seedlings), cutting seedlings (vegetable shoots) and wild seedlings. 2. Planting: The time is autumn (9 to November) or the following spring (3 to 5 months), 1 per hole, ≤ 45,000 per hectare. 3. Fertilization: It is forbidden to use chemical fertilizers. 4. Harvesting and drying: It can be harvested after two years of planting, harvested from October to November, and naturally dried after harvesting, with water content ≤8.6%. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. (4) Quality characteristics. 1. Sensory features: The hook is 1 to 2 cm long and bends downwards. The stems are cylindrical or quasi-columnar, and the surface of the vines is reddish-brown to purplish red and fine-grained, smooth and hairless; the scutellaria cane yellow green to taupe visible white punctate lenticels, yellowish brown pilose. The pith is yellowish white or hollow. 2. Physical and chemical indicators: total ash ≤ 3.0%, leachate ≥ 7.6%, rhynchophylline ≥ 0.1%. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

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Producers within the scope of the origin of Jianhe Uncaria can apply to the Jianhe County Quality and Technical Supervision Bureau of Guizhou Province for the use of the “Special Mark for Geographical Indication Products”, which is reviewed by the Guizhou Provincial Bureau of Quality and Technical Supervision and reported to the AQSIQ for approval. Announced. The statutory testing agency of Jianhe Uncaria is designated by the Guizhou Provincial Bureau of Quality and Technical Supervision.