The serial Amomum is a well-known spice in Guizhou and a valuable Chinese herbal medicine. Produced in the "Hometown of Amomum in China" in Fengfeng County, the products are characterized by "round, fresh, full fruit, rich and unique aroma".

The genus Amomum is a perennial herb with a height of 1.5 to 2 meters and a large root. Leaves large, alternate, long elliptic stellate, 30 to 70 cm long, 7 to 15 cm wide, apex shortly acuminate, margin short and densely pubescent; panicles terminally inserted, often bent, 15 to 30 cm long Capsule red, spherical, about 2 cm in diameter; there are 3 seed clusters, containing seeds and rice. Flowering spring and summer. The serial Amomum vulgaris is suitable for wetness and is often planted in valleys or streams. The serial Amomum villosum L. is a perennial evergreen grass plant. Its spikes are extracted from the stems of the plants. Its biological characteristics have special choices for the growing environment. It is suitable for planting in tropical and subtropical regions. Year can be fruit. The climate is pleasant and the environment is beautiful. It belongs to the subtropical monsoon humid climate. There is no cold in winter, no heat in summer, mild climate, abundant rainfall, abundant heat, rain and heat in the same season, and long sunshine. The average temperature in January is 7.1 °C, the average temperature in July is 23.6 °C, the frost-free period is about 335 days, and the average annual rainfall is 1100 mm. The landform is dominated by low hills and the altitude is between 800-1300m. The five main towns of Amomum villosum L., which are radiated by the chain, are located in the southeastern part of the county, mainly composed of yellow shale. The natural climatic characteristics of light, heat, water and soil are particularly suitable for the growth and breeding of Amomum villosum L. The unique natural environment gives birth to a unique chain of Amomum products, with full fruit, delicate texture and unique aroma. The dishes cooked with it have the characteristics of delicious taste, pleasant aroma, mellow and long-lasting taste. The special variety of serial amomum as a spice is extremely rare in Amomum. This quality feature is widely recognized and welcomed by the market. According to the Guizhou Provincial Product Quality Inspection and Testing Institute, the dried fruit samples were tested in parallel: moisture content 9.49-12.79%, volatile oil content 1.27-1.82g/100ml, and non-volatile ether extract 6.31-8.69%. The main components of volatile oil are: 4-terpineol, eucalyptol, 7-terpinene, methyl cumene, (+) 4-tetradecene, caryophyllene, oxidized carbenene, t3-phellandene, Linalool, terpineol, t3-decene, and the like. About the use of health benefits "Dry and cold, in addition to sputum interception of malaria, spleen warm stomach. Treatment of abdominal pain, chest and abdomen fullness, phlegm and dampness, indigestion, vomiting and diarrhea." Can be used to develop health care products, health food. Edible: hotels, families are mainly used for cooking, soup, cooking, braised food, etc. Planting Overview The cultivation of Amomum villosum L. in Lianhuan Township, Yufeng County, Guizhou Province has a long history, but the large-scale planting was in the 1990s. Under the guidance of the local government, it gradually became a local pillar industry. At present, only 3 million mu of Amomum villosum is planted in Lianhuan Township, with an annual output of 10,000 tons of dried beard nuts and an output value of 10 million yuan, which has become the main source of income for local farmers. Large-scale planting has not only made Lianhuan Township the largest amomite planting base in the country, but also known as China's “hometown of Amomum”, which has also played a positive role in protecting local ecology and enriching the masses.

Technical requirements for serial amomum quality (1) Source. Alpinia zerumbet (pers) Burtter sinith. (2) Site conditions. The thickness of the soil layer is u003e100cm, and the soil type includes sand shale weathered soil, black lime soil and yellow sand loam. The soil pH is 6.5 to 7, and the soil organic matter content is 2% or more. (3) Cultivation techniques. 1. Seedling breeding: adopting live breeding and ramets breeding, and the breeding can be carried out in autumn, winter and spring. 2. Seedling selection and colonization: 1 year old seedlings are used for live breeding, and no seedlings are selected for breeding. Planting 21,000 plants / hectare. 3. Tending management: (1) Young forest tending management: 2 kg to 5 kg of decomposed organic fertilizer per bush. (2) Chenglin tending management: The fruit picking plants are removed in time after harvesting, and the matured gardens have u003c60 strains per cluster. Each plexus is fertilized with organic fertilizer ≥10kg, and fertilizer is used to disable urea. Cultivate the soil in the fall. 4. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. (4) Harvesting. The harvested fruits of Amomum villosum L. are harvested before and after the white dew, and it is forbidden to harvest in rainy days. (5) Quality characteristics. 1. Sensory characteristics: The fruit is yellow or yellowish brown, the fruit is sharp, the fruit diameter is 1 cm to 1.6 cm, the aromatic gas is thick, pure, and the taste is cool, with full fruit and unique aroma. 2. Physical and chemical indicators: moisture content u003c12%, volatile oil contentu003e1.2ml/100g, non-volatile ether extractu003e3.5%. 3. Safety requirements: Product safety indicators must meet the relevant regulations of the state for similar products.

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The producers within the scope of protection of the geographical indication products of the Amomum villosum can submit an application for the use of the “Special Mark for Geographical Indication Products” to the Quality and Technical Supervision Bureau of Zhenfeng County, Guizhou Province, which is approved by the General Administration of Quality Supervision, Inspection and Quarantine.