The ebony is also known as sour plum and dried plum, and the summer fruit is harvested when it is nearly seven or eight mature. After drying at low temperature, it is smoked by pyrotechnics. The surface is black or brownish black, the taste is sweet and sour, slightly astringent. Daxian Wumei variety is excellent, Rosaceae plant plum, belongs to the "Pharmacopoeia" contains the variety "ear plum", known as a large, fleshy, small nuclear, black skin, soft taste, its active ingredient tannic acid content 29.4 %, ranking first in the country.

"A few questions about leisure time, one Sichuan tobacco, the city is full of wind, the plums are yellow and rain." Ordinary people say that Mei, will naturally think of Yangmei in Jiangsu and Zhejiang. In Daxian County of Sichuan Province, you can appreciate the scenery different from the Jiangnan Water Town. The ebony tree in the mountains and plains is full of fruit and fragrant. Picking an entrance, the soft, thick flesh clips with a touch of sour acid, but just right, this is the taste of Daxian Wumei. Origin of the environment Daxian is located in the northeastern part of Sichuan Province. It has a subtropical monsoon humid climate with four distinct seasons. At the same time, it is located in the south of Daba Mountain and has sufficient sunshine. The superior climatic conditions and the advantages of mountainous areas make the wild ebony into a forest in the deep mountains of Baijie, Jingshi, Majia, Pingtan, Dushi, Beibei, Beishan, Jinshi, Qingning and other towns. The forest area reaches nearly 300 hectares. Nutrition and medicinal value Wumei has the functions of softening blood vessels, delaying hardening of blood vessels, clearing blood, preventing old age and anti-aging, increasing energy, eliminating fatigue, protecting the digestive system, and increasing appetite. It is mainly used to treat lung deficiency and chronic cough, acute bacterial dysentery. Cholecystitis, cholelithiasis, biliary tract infection, nasal polyps, penile cancer, cervical cancer, psoriasis, corns, etc. The latest research shows that the active ingredient ursolic acid not only has strong antibacterial and anti-inflammatory effects, but also has anti-cancer effect, and can kill sperm by 100%. It can be used for contraception and protection of female reproductive health, and become the second generation of family planning drugs. And the main raw materials for the protection of female reproductive health medicines. Wumei is also the main raw material of health products Wumeijing, Xuemeimei, plum vinegar and plum wine. It is a good dual-use medicine and food.

Daxian Wumei quality technical requirements (a) varieties. Rosaceae cherry genus plum. (2) Site conditions. The altitude is 550m to 1500m; the soil type is purple soil, the texture is loam or clay, the soil pH is 6.5 to 7.5, and the organic matter content is ≥1%. (3) Cultivation management. 1. Planting: Planting is completed from November to December or February. 2. Fertilize the young trees and apply 5kg to 10kg of organic fertilizer per plant per year. 3. Flower and fruit management: (1) Pollination: Planting 25% of pollinated varieties. (2) Thinning fruit: artificial fruit thinning in the first ten days of April, keeping the leaf-to-fruit ratio no less than 7:1. 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. Harvested when the ebony is seven to eight mature. (5) Quality characteristics. 1. Sensory characteristics: fresh fruit of ebony, the fruit is oval, and the green is yellow. The dried ebony has an irregular ear-shaped spheroidal shape with a slight gas and a very acidic taste. 2. Physical and chemical indicators: the fruit pulp rate of ebony is ≥82%. The citric acid content of dried ebony is ≥27%. 3. Safety requirements: Product safety indicators must meet the relevant regulations of the state for similar products.

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Producers within the protected area of ​​Damei Wumei Geographical Indication Products may submit an application for the use of “Special Marks for Geographical Indication Products” to the Daxian Quality and Technical Supervision Bureau of Sichuan Province, which is reviewed by the Sichuan Provincial Bureau of Quality and Technical Supervision and approved by the AQSIQ. Announcement approval. The statutory testing agency of Damei Wumei is designated by the Sichuan Provincial Bureau of Quality and Technical Supervision.