Lianzhou Xihuangcao is a very high-quality Chinese herbal medicine product with distinctive characteristics. It has the effects of clearing away heat and dampness, cooling blood and dispersing phlegm, and has peculiar curative effect on prevention and treatment of acute hepatitis and acute cholecystitis.

[Landmark Geography] Lianzhou Xihuangcao is a long-day plant, hi-light, afraid of waterlogging, fear of soil compaction, suitable for cultivation in loose and fertile, well-drained sandy loam soil, low-lying water can easily cause rotten roots, often wild in the creek Wetlands, villages, ditches, fields and forests. Lianzhou Xihuangcao has a long history of cultivation, and its quality is closely related to Lianzhou's unique geographical environment and soil and climatic factors. Lianzhou is known as “a mountain with a mountain, even the water is a water”. In the mountains, the white clouds are winding, the waterfalls are all winning, the trees are green and the air is fresh. The main rivers in the city originate from the forests of the major mountain ranges. They are rich in water resources, no industrial “three wastes” pollution, and pure water. Most of the yellow grass planting bases can be irrigated with natural water. Lianzhou has fertile soil and deep soil layers. The soil is mainly sandy soil and loam, which is relatively loose. The soil with organic matter content above 3% accounts for 72% of the city's natural soil area, and there are many trace elements such as nitrogen, phosphorus, potassium and calcium, which is especially beneficial to the accumulation of active ingredients in the yellow grass. Lianzhou City is a mid-subtropical monsoon climate zone with abundant light and heat resources, spring rain, summer heat, four seasons of autumn drought, winter and cold, mild climate and abundant rainfall. The wind is small, the temperature difference between day and night is large, and the annual average temperature is 9.8 °C. The natural conditions of light, temperature and water can better meet the needs of Lianzhouxi yellow grass growth. Because of strong sunshine, photosynthesis is sufficient, and the temperature difference between day and night is large, which facilitates the formation and accumulation of plant metabolic components. [Culture background] "Xihuangcao" is a folk herbal medicine. There are many common names in various places, mainly including Fengxue, hand rubbing yellow, yellow juice grass, and fragrant tea. "Xihuangcao" has not been recorded in the ancient books, but as a clearing liver and gallbladder medicine, it has been used for more than a thousand years in the Lianzhou area. Lianzhou residents still maintain the summer of the river. Herbal tea drinking habits. Because it likes the wetness of the valley creek, the fresh leaves are chopped with dark brownish yellow juice and named. The "Common Chinese Herbal Medicine Handbook", "National Chinese Herbal Medicine Collection" and "Chinese Medicine Dictionary" published in modern times all contain this product and are accompanied by plant pictures. According to the "Buddha Classics", Liang Dao's Taoist Liao Chong, once in the world's 49th Fudi City, Lianzhou City, Fushan City, Fushan alchemy, after the road into the immortal. According to legend, in the Southern and Northern Dynasties, Lianshan County (now Lianzhou City) was plagued by plague. Liao Chong used the stem-shaped grass of the creek near Fukuyama to drink the soup for the people, and drunk the people who had suffered from the bitter grass. The symptoms of yellow swelling quickly disappeared and the body slowly recovered. So after a passing ten, ten pass hundred, the residents of the Fangyuan dozens of miles know that this kind of magical grass is called "Xi Huangcao". Because of the unique effect of Xihuangcao, and it has curative effect on various symptoms such as hepatitis B, jaundice hepatitis, heat toxicity, red eyes, urinary yellow, dysuria, sore throat, upset rib pain, mouth pain, bad breath, etc. It has gradually become a must-have health product for local residents. Lianzhouxi Huangcao Tea was sold to all parts of Nanyang in the Ming and Qing Dynasties because of its unique flavor. It has enjoyed a good reputation in Southeast Asia. [Brand Building] Lianzhou has a profound cultural heritage of Chinese medicine and has formed a long-lasting development history of high-quality Chinese herbal medicines. Lianzhou has mastered the cultivation and cultivation techniques of Lianzhou Xihuangcao since the end of Qing Dynasty. Since the founding of the People's Republic of China, the county party committee at that time attached great importance to the development of Chinese medicine and continuously promoted the development and application of local Chinese herbal medicines. In the 1970s, a cooperative medical station was implemented. There was a drug collection team, a drug treatment center, and a processing factory. The knowledge of Chinese herbal medicine among the villagers became a banner for rural health work in Lianzhou. In recent years, the Lianzhou Municipal Party Committee and Municipal Government has identified the Chinese herbal medicines such as Xihuangcao as the characteristic economy of Lianzhou Mountainous Area, and the production of Xihuangcao has changed from natural growth to organized scale planting and development. On the basis of inheriting the traditional experience, the company formulated and implemented a series of production management technical standards, standardized the production, processing and sales of Xihuangcao, effectively controlled the residues of heavy metals, pesticides, chemical fertilizers and other harmful substances, and achieved pollution-free Production has further improved the quality of the medicinal materials of Xihuangcao. With the large-scale development of Lianzhouxi Yellow Grass Planting, Lianzhou Xihuangcao Development System has also been continuously improved. In 1986, the county government established the Lianxian Chinese Medicine Factory to include Lianzhou Xihuangcao in the research and development plan. In August 1988, it successfully developed the Lianzhouxi Yellow Grass substitute tea and began to promote it; in March 1989, the county government approved The "Report on the Establishment of Lianxian Chinese Herbal Medicine Base" established a county-level Chinese herbal medicine base construction coordination leading group to provide organizational guarantee for the development of Lianzhou Xihuangcao. In 1992, Guangzhou Baiyunshan Pharmaceutical General Factory took a fancy to the Chinese herbal medicine resources of Lianzhouxi Huangcao and other high-quality land, and implemented joint venture with Lianxian Chinese Medicine Factory. It was renamed Baiyunshan Pharmaceutical Factory Lianzhou Branch, Lianzhou Xihuang The development and utilization of grass has witnessed a new turning point. At this time, Lianzhouxi Huangcao has long been famous for its medicinal efficacy. In 1999, the pharmaceutical factory was restructured, and some technical backbones seized the opportunity to start their own business and succeed. Lianzhouxi Huangcao deep processing enterprises have shown a diversified development pattern and gradually transferred to modern processing and production. In 2004, Chinese medicine experts such as Guangzhou University of Traditional Chinese Medicine conducted a research on Lianzhou Xihuangcao and found that the content of active ingredients for inhibiting hepatitis B virus is very high. The medicinal value of Lianzhou Xihuangcao is very obvious, further promoting the company. The pace of the development of the scale and base of the Yellow River in the state. In 2006, the city's planting area was 10,000 mu, the annual output was 30,000 tons, and the output value was 50 million yuan. Both production and sales were booming. In the same year, Guangzhou University of Traditional Chinese Medicine cooperated with Lianzhou Municipal Government to develop a Chinese medicine planting technology project focusing on Lianzhou Xihuangcao, which opened up a broader prospect for the development of Lianzhou Xihuangcao. For more than ten years, with the continuous improvement of production technology and product packaging, the products have gradually developed towards branding. There are already four large-scale production enterprises in the city. Lianzhou Haoshuang Natural Health Food Co., Ltd., which accounts for more than 65% of the city's Xihuangcao tea production, was awarded the “Famous Brand” Lianzhou Xihuangcao in 2006.

Lianzhou Xihuangcao quality technical requirements (a) provenance. The local native genus yellow grass variety should be selected, and the genus Rabdosia serra (Maxim.) Hara. (2) site conditions. Choose sandy soil with loose and strong drainage capacity, organic matter ≥ 2%, pH value 6.8 to 7.5. (3) Cultivation techniques. 1. Seedling: Seeds, cuttings and ramets can be used for breeding. 2. Transplantation: Transplanting on a cloudy day without wind or sunny evening, cutting off the main roots of the seedlings during transplanting, the number of plants per hectare is not more than 440,000. After planting, the soil is compacted and grounded. (4) Field management. 1. Fertilization: including base fertilizer and top dressing, the base fertilizer is mainly farmyard manure, not less than 45000kg per hectare; after transplanting, the application of urea per hectare is not less than 75kg. 2. Water management: After seedling transplanting, the seedling stage should be regularly filled with water to keep the soil moist. The rainy season promptly eliminates water in the field. 3. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. (5) Harvesting and post-harvest handling. From July to late August, the plants should be harvested and harvested in time after flowering. It is harvested once a year. (6) Quality characteristics. 1. Sensory characteristics: This product is a dry part of the aboveground part of Xihuangcao plant. It has a unique scent and tastes bitter. Morphology includes whole plants, cuts and minced meat. (1) Whole plant: the stem is square, 1.5 m to 2 m long, with a greenish-purple surface and densely pilose; the leaves are flattened or ovate-lanceolate, apex acuminate, base cuneate Both sides are usually dark green. (2) Segmentation: the stem is square, the surface is greenish purple, the section has a hollow pith, the wood is white with yellow; the leaf is broken, shrunk, and it is dark green. (3) Broken end: coexistence of incomplete stem fragments and leaf fragments, stem fragments are brownish yellow, and leaf fragments are dark green. 2. Physical and chemical indicators: water ≤ 20%, total ash ≤ 8%, total mites (marked with standard ursolic acid) ≥ 19 mg / g. 3. Safety requirements: Product safety indicators must comply with the relevant regulations of the state for similar products.

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Producers within the scope of protection of Lianzhouxi Huangcao geographical indication products may apply to the Lianzhou Municipal Bureau of Quality and Technical Supervision for the use of the “Special Mark for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.