Luoding wrinkle fish is a traditional speciality in Luoding area of ​​Yunfu City, Guangdong Province. It is made from squid meat, raw flour and egg white. It is made into a pellet and stirred with peanuts. Has more than 700 years of history. Its shape is like the size of an egg, it is round or oval, the outer yellow is white, the crystal is clear, the skin is thin and wrinkled, the appearance is like a gauze, the folk called it "wrinkle fish", and it is mainly produced in Guangdong. Luo Ding, so the South Guangdong area called it " Luoding wrinkle fish rot."

Landmark Geography] Luoding City is located in the western part of Guangdong Province, more than 250 kilometers away from Guangzhou. It is an important gateway for Guangdong to enter and exit the Southwest. It is the political, economic and cultural center of Luoding River (also known as the Minjiang River and Nanjiang River). Heavy, the door is huge defense." Luoding is a mountainous city with a subtropical monsoon climate zone with mild climate, abundant sunshine and abundant rainfall. The annual average temperature is 22.2 °C, the frost-free period is over 349 days, the annual average sunshine is 1737 hours, and the average annual precipitation is 1372 mm. The west is Yunshan Mountain, the east is Yunshan Mountain, the middle and northeast are Red Basin, which is “China's agricultural production 100 counties (cities)”, “National Grain Production Advanced Counties (Cities)”, “National Greening” Model County", "Hometown of Chinese Cinnamon". Luoding wrinkled fish and fish production area is rich in water and rich in water resources. The Luoding River belongs to the upper reaches of the Xijiang River. There are Luoding River (the 81-kilometer long river or the Nanjiang River), and there are six main rivers, including the Biandi River and the Qianlun River. The total length is 375 kilometers and the river surface area is about 27.5 square kilometers. . Most of the riverbed is gravel bottom. Because most of the places are small hilly terrain, the water flow in each section is gentle, suitable for the growth of fish such as carp and carp. Squid is an essential species for pond farmers in the city, accounting for about 30% of pond production, with an annual output of about 8,000 tons. The city's fish ponds, mountain ponds and reservoirs are dotted with 105 large and small reservoirs and 1,050 mountain ponds. The existing fish water surface is more than 3,860 hectares, accounting for 11.5% of the total cultivated land. In 2008, the fish production was 40,000 tons. In addition, there are low-yield and low-yield, more than 1,330 hectares of mountain pit fields, and can also dig ponds for fish farming and river waters. Luoding forest coverage rate of 60%, good natural ecology. There are few chemical factories throughout the country and they are far from the fish production area. The vast waters and good natural ecological environment provide extremely favorable conditions for the development of high quality squid production. [Cultural background and cultural accumulation] According to legend, during the Daedian period of the Yuan Dynasty (1292-1307), Luoding Sulong had a family of Huang surnames. There was a young couple and an elderly father who were sick to cultivate a few acres of thin fields and operate a fish pond. For a living. The family is not rich in life, but the father is filial piety, the husband is a wife, and the life is bitter and happy. In order to increase the nutrition of the father who is sick in bed for a long time, the son improves his appetite and restores his health as soon as possible. He often eats squid in his own fish pond to make dishes to honor his father. In order to prevent my father from eating and eating for a long time, he often changed his eating method. Over time, he made a "wrinkle fish rot". As the years passed, and through the continuous improvement of people's life practice, when Luo Shisu Long Shangchi Village merchant Huang Shichen established Sulong Market in the late Ming Dynasty, wrinkled fish has a high reputation, and the size of the banquet in the country must have fish. Corrupted on the table. During the reign of Emperor Qianlong in the Qing Dynasty, the craftsmanship gradually matured and flourished in the city. After more than 700 years of continuous trials and innovations, it gradually created today's "roding wrinkle fish" with distinctive local characteristics. On January 2, 1986, Hu Yaobang, then General Secretary of the CPC Central Committee, visited Luoding to inspect and stayed at the Luoding China Travel Agency that night. The dinner specially arranged Luoding specialties - "four dishes and one soup", including wrinkled fish, Stuffed tofu, Babao chicken (three yellow chickens that Luoding stocked). When the general secretary tasted the "wrinkle fish rot", he was full of praise, saying that the sweet and fragrant is soft and smooth, which is comparable to the seafood. [Brand construction] In the Ming and Qing Dynasties, wrinkled fish and fish rot have been widely spread in Luoding. It is very common to make and enjoy wrinkled fish and fish. It has entered the homes of ordinary people and has become a must-have for the local people to celebrate the feast. One of the styles, the reputation of South Guangdong. According to the newly compiled "Luoding County Records" after the founding of the People's Republic of China, during the Anti-Japanese War, Luoding Wrinkled Fish Sauce was a local famous dish that enjoyed high reputation at that time. In the area around Luoding and the surrounding areas, those who encounter marriages, additions, houses, and birthdays, as well as traditional festivals, will be used as a banquet. The delicious and unique flavor of Luoding Wrinkled Fish Sauce has been recognized as “China Consumers' Reassuring Shopping Quality Trusted Product” and “Yunfu Top Ten Gold Famous Cuisine”. Mr. Liang Wenzhao, the host of Hong Kong's "Food God" and Jade Terrace "There is a god of food", led a delegation to visit and personally taste Luo Ding's wrinkle fish, praised its smooth and delicious, and called it a feature film. Widely promoted to Guangdong, Hong Kong and Macao. Guangdong TV, Nanfang Daily and other media have also widely publicized and reported Luoding wrinkle fish from various angles in various forms. Luoding wrinkle fish has become one of Luoding's business cards, and all the customers who come here are proud to eat the local Luoding wrinkle fish. In recent years, on the eve of the Spring Festival, some Taiwanese businessmen and relatives of Taiwan compatriots went directly to Luoding to purchase pure Luoding wrinkled fish and fish back to Taiwan as a gift for eating and giving gifts to relatives and friends.

Luoding wrinkle fish quality technical requirements (a) carp culture. 1. Aquaculture environmental conditions: sufficient water source, convenient drainage and no pollution. The water temperature is 15 to 30 ° C and the pH is 6.5 to 7.8. The bottom of the pond is loam or a red rock substrate with a water depth of 1.5 to 2.5 meters. 2. Stocking process: two stages of seedling cultivation and adult fish culture. (1) Seed cultivation. From April to August each year, the sexually mature broodstock is artificially incubated and hatched according to the plan, and is placed in the seedling pond for cultivation one day after the emergence of the fishbone waist point. (2) Adult fish farming. The fish species can reach 5 to 10g/tail and can be placed in a fish pond. It is suitable for polyculture with carp, carp, carp, etc., and can be harvested up to 125 to 200g/tail. 3. Stocking density: stocking at a reasonable density, usually 2,000 to 3,500 per 1/15 hectare. 4. Feeding: Feeding with farmer's feed or compound feed such as peanut bran, bean cake, rice bran. 5. Environmental and safety requirements: The prevention and control of the breeding environment and epidemic diseases must comply with relevant national regulations and must not pollute the environment. (2) Pink heart. Local fresh cassava is refined. The appearance is white and shiny, with the inherent smell of cassava powder, no odor. (3) Processing technology. 1. Production process: squid → remove miscellaneous cleaning → crushing → blending → frying → cooling → packaging. 2. Key control: (1) remove the miscellaneous cleaning: fresh squid to scale, head, tail, bone, fin and internal organs, take squid meat, then peeled, put it into clear water, rinse, cleanse, drain and use . (2) Crushing: The fish is smashed to a meat-like shape, and it is suitable for the hand to be greasy and smooth. (3) Blending: According to the ratio of 500g of fish meat, 200g of egg white, 150g of powdered heart, 15g of refined salt and 250g of clear water, it is evenly distributed, and it is fried in the pot within 20 minutes after making the meat. (4) Deep-fried: When the oil temperature is 50 ° C to 70 ° C, the meat glue is put into the pot, then the oil temperature is slowly heated to 160 ° C to 180 ° C, and fried until the fish rot becomes tender yellow. (5) Cooling: After the fish is out of the pan, it will be cool at room temperature. After the oil is basically absorbed, it can be softened by hard. (6) Packing and storage: plastic bag with vacuum bag, storage temperature 0 °C to 4 °C, shelf life of 4 months. (4) Quality characteristics. 1. Sensory features: uniform color, tender yellow with wrinkles, white inside. Sweet and smooth, refreshing and tough. 2. Physical and chemical indicators: project required weight, g9-12 moisture, % 30-35 protein, % 6-13 fat, % 12-20 salt content, % ≤ 33. Safety requirements: product safety indicators must reach the national Product related regulations.

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The producers within the scope of protection of the Luoding crepe fishery GI products may submit an application to the Quality and Technical Supervision Bureau of Luoding City, Guangdong Province for the use of the “Special Mark for Geographical Indication Products”, which is reviewed by the Guangdong Provincial Bureau of Quality and Technical Supervision. AQSIQ announced the approval. The statutory testing agency for Luoding wrinkle fish is designated by the Guangdong Provincial Bureau of Quality and Technical Supervision.