Longyan salty and crisp peanut processing has a long history. According to the "Longyan County Records", in the end of the Qing Dynasty, there were more than 10 large workshops in Longyan, Dongxiao and Caoxi, and there were more than 10 large processing workshops in the town. And more than 160 family workshops. The unique flavor of Longyan salty crispy peanuts, sweet and crisp, is closely related to the local geographical environment, soil texture, climatic conditions and traditional crafts. It is a traditional specialty product of Xinluo District.

Xinluo District is located in the western part of Fujian Province, between 116°43′-117°20′ east longitude and 24°45′-25°35′ north latitude. It is a subtropical region with low latitudes, mild climate, abundant sunshine and abundant rainfall. There is no cold in winter and no heat in summer; the annual average temperature is between 18-20 °C. The soil is mostly alluvial sandy soil rich in organic matter and elements such as calcium and phosphorus. These natural conditions are very suitable for growing peanuts. As early as the end of the Ming Dynasty, there were farmers planting another star. Before the founding of the People's Republic of China, the annual planting area was 4,000 mu, and the existing planting area was 100,000 mu.

Longyan salty peanut quality technical requirements (A) cultivation technical requirements. 1. Variety: Bean-type peanut varieties suitable for processing. 2. Site conditions: The soil type is sandy loam soil, convenient for irrigation and drainage, pH 6 to 7, organic matter content ≥1%. 3. Cultivation and management: (1) Sowing time: from late July to early August. (2) Planting density: less than 180,000 points per hectare, 2 kernels in the middle, and 3 kernels in the side. (3) Fertilization: Apply enough base fertilizer and appropriate topdressing. If nitrogen is used, the application rate of pure nitrogen per hectare does not exceed 60 kg. Mainly based on agricultural fertilizer, the farmer's fertilizer per hectare is more than 15,000 kg. (4) Pest control: 2 to 3 years of inverted rotation. Pesticides are prohibited for one month before harvest. (5) Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. 4. Harvest: From late November to early December, the outer shell of 90% pods in the field showed obvious hard netting, the soft tissue of the inner wall of the shell completely contracted, the seed coat was pink, and the nuts were filled with shells. When the inner cavity is inside, it can be harvested. (2) Processing technology requirements. 1. Process: (1) Wet roasting: fresh autumn peanut fruit selection → cleaning → cooking → drying → baking → screening → packaging. (2) Dry roasting: dry autumn peanut fruit selection→soaking→cleaning→cooking→drying→baking→screening→packaging. 2. Cleaning: Fresh fruit peanuts are washed within 24 hours after harvesting from the ground; dried peanuts are soaked in salt water for 12 hours to 24 hours. 3. Cooking: Put the peanuts in the water for 15 minutes. 4. Drying: The peanuts are roasted in a bamboo peanut oven and placed on a furnace for drying at a temperature of 80 ° C to 90 ° C for 20 hours to 24 hours. 5. Baking: The dried semi-finished product is poured into a bamboo peanut baking cage, placed on a furnace, and baked at a temperature of 70 ° C to 80 ° C for 48 hours to 60 hours. (3) Quality characteristics. 1. Sensory characteristics: The project indicator has a well-shaped pod, ≥97% double fruit, full kernels and clear netting. Color wet and salty crispy peanuts: The shell is pale, the seed kernel after peeling is light white and shiny; dry roasted salty crispy peanuts: the shell is light yellow, and the seed kernel after peeling is pale yellow. The taste and taste are crispy, fragrant and crisp, and the salty is slightly sweet. 2. Physical and chemical indicators: project indicators yield rate,%65-70 moisture,% ≤5.0 protein,% ≥26.5 fat,%46-50 salt (calculated as sodium chloride)%2-3.5 aflatoxin B1,?g /kg≤5.0 ​​Note: The indicator is based on the kernel after shelling. 3. Safety requirements: Product safety indicators must comply with the relevant regulations of the state for similar products.

Apply to：
The producers within the scope of protection of Longyan salty and crisp peanut geographical indication products may apply to the Quality and Technical Supervision Bureau of Xinluo District, Longyan City, Fujian Province, Fujian Province for the use of the “Special Mark for Geographical Indication Products”, which is approved by the General Administration of Quality Supervision, Inspection and Quarantine.