Six gentian gentian has been in the history of hundreds of years. It is a well-known Chinese medicinal material in Guizhou. It is a perennial herbaceous plant of the genus Gentiana, which is mainly distributed in hillside grassland, forest margin and sparse shrubs above 1000 meters above sea level in Liuzhi District. in. The quality characteristics of six gentian gentian are significant, and the indicators are outstanding. The content of gentiopicroside is more than 8.0%, the ash content is less than 6.5%, and the moisture content is less than 8.5%. Because of its outstanding quality characteristics, Liuzhi gentian is deeply loved by drug dealers and Chinese herbal medicine doctors, and its market popularity is very high. Liuzhi gentian is clinically used for damp heat jaundice, vaginal itching, vaginal discharge, eczema itching, liver fire eye red, deafness and deafness, hypochondriac pain, strong, convulsive convulsions and other symptoms.

Liuzhi Special Zone, located in the western part of Guizhou Province, belongs to the area under the jurisdiction of Liupanshui City. The eastern part of Liuzhi Special Zone is located in Puding and Zhenning counties of Guizhou Province in the east, Pu'an, Qinglong and Shuicheng counties in the west, Lianguanling County in the south, and Zhijin County and Labuan County in the north. The area is 61 kilometers long from north to south, 56 kilometers wide from east to west, and the total land area is 1,792 square kilometers. The district governs 9 towns, 6 townships and 3 streets, with a population of 700,000. The ethnic minority Yi and Miao populations are relatively large.

Technical requirements for the quality of six gentian sages 1. Provenance Gentiana rigescens Franch. Second, site conditions The altitude within the production area is ≥800m. The soil is yellow soil, yellow brown soil, pH value 5.5 to 7.5, soil organic matter content ≥1.0%, soil thickness ≥30cm. Third, cultivation management 1. Sowing: planting from early May to early June; seeding volume ≤ 3kg / m2. 2. Transplantation: Annual seedlings are transplanted from late April to late May, with a seedling volume of ≤1.2 million per hectare. 3. Fertilization: ≥15000kg of organic fertilizer per hectare per year. 4. Sparse flower buds: All buds should be removed after buds are not harvested. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. Fourth, harvesting processing Harvest: Harvested after 2 and a half years of planting, harvested from mid-September to late October. 2. Processing method: Take the root of gentian grass, remove the stems and leaves, wash the soil, and dry it to 70%, straighten the roots into small pieces and continue to dry until the water is ≤8%. V. Quality characteristics 1. Sensory characteristics: root cylindrical, slightly twisted, length ≥12cm, diameter ≥0.3cm; 10 to 25 fine roots on the periphery and lower end, the surface is yellowish or yellowish brown, the outer membrane is membranous, easy to fall off The skin is yellowish white or yellowish brown, the wood is yellowish white, the color is lighter, and it is easy to be separated from the skin. It is easy to break, and the section is slightly flat, showing a point-like ring; the gas is slight and the taste is bitter. 2. Physical and chemical indicators: gentiopicroside ≥ 3.0%, total ash ≤ 6.0%. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with national pharmacopoeia standards and other relevant regulations.

Apply to：
Producers within the scope of the production of six gentian bryophytes may apply to the Liuzhi Special Zone Market Supervision Administration 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 General Administration of Quality Supervision, Inspection and Quarantine for approval. Announced. The testing mechanism of the six gentian sage is selected by the Guizhou Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.