Jian Jian, a Chinese chestnut, is a specialty of Jianye City, Fujian Province. It has the characteristics of fragrant taste, sweet but not greasy, rich nutrition, and nourishing the stomach and kidney. Jianou is the origin and the main producing area of ​​Chinese chestnut. People in the producing areas are accustomed to eating rice with cone-nut flour instead of rice. It is a natural woody food suitable for all ages and has high economic value and medicinal value.

The artificial cultivation of Castanopsis chinensis began in the Han Dynasty and has a long history of cultivation. Jianye Chinese chestnut has long enjoyed a good reputation. According to historical records, the historical “Gong Xi Hazel” cone chestnut was produced in Jianye “Xixiang” (now Longcun Township). Jianpu cone chestnut is the main variety of chestnuts in southern China, and there are more than 10 varieties loaded in "China Tree Logs - Chestnut Tree". In 1996, it was listed by the State Department of Forestry as one of the top 500 tree species in the China Special Economic Forest; in 1997, the "Yuanxiang" brand "Qualong" brand cone chestnut was granted the right to use the "green food" symbol in China; in December 1999, Fujian The provincial local standard “Jianchi” was approved and promulgated by the Provincial Bureau of Quality and Technical Supervision; in March 2000, the State Forestry Administration announced that the name Jianye was the first batch of “China's famous high-quality economic forest”. The government was named "Famous Brand of Agricultural Products in Fujian Province"; in December, it was awarded the "Chinese Famous Fruit" by the China Fruit Circulation Association; in August 2004, the State Administration of Quality Supervision and Inspection and Quarantine approved it as a product of geographical origin; and in January 2006, the national standard "GI The product was established by the General Administration of Quality Supervision, Inspection and Quarantine and the National Standardization Administration. In February 2010, the geographical indication of the "Cengceng Cinnamon" certification trademark was registered successfully. Professor Jiang You from the Fujian Agriculture and Forestry University said: "The world's Castanea henryi in China, China's Castanopsis chinensis in Fujian, Fujian's Castanopsis chinensis is building."

Production status

Jianou is the origin and main producing area of ​​Castanea henryi. In the early 1980s, the forestry department carried out a systematic study of species breeding, grafting techniques, cultivation methods, and pest control of Castanea henryi. It has cultivated 12 fine varieties such as Bailuzi, Cuanshuhong, Wenyanghong, Hazelnut, and Hazel. In Jianye City in 2010, there were 420,000 acres of pine forests, acreage of 300,000 acres, annual output of 25,500 tons, and output value of 161.6 million yuan. There are 16 chilled chestnut processing and processing companies. Among them: 4 ready-to-eat, ready-to-eat 1 shell, 2 shelled, 3 sweet and fried, and 6 frozen. The total processing volume reached 3,450 tons, and the total processing value was 55.2 million yuan. More than 30 cities, townships (towns), villages, Castanea henryi circulation associations, cooperatives, etc. There are more than 3,000 people engaged in the circulation of Castanea henryi, with a circulation of 18,000 tons; the city has 66 storehouses of Castanea henryi with an annual fresh-keeping quantity of 6,453 tons.

Jianluo chinensis is mainly sold directly on the market and refrigerated and fresh-keeping. It accounts for about 80% of the total output, and processing and sales account for about 20%. Mainly exported to Shanghai, Nanjing, Wuxi, Suzhou, Shenzhen, Dongguan, Fuzhou, Xiamen and Other large and medium-sized cities, because the quality is better than the northern chestnut, the appearance is more lustrous, the flavor is more delicious, the raw food is more delicate, crisp, sweet Well, the wholesale market price is about 1.00 yuan more per kilogram than chestnut. With the development of the chestnut plantation industry, the output has increased, and the market supply and demand tends to be saturated. In the production period, the total price of the goods is RMB 4.50-5.20 per kg of yellow hazel, and RMB 6.00-6.40 for oil hazel.

Growing environment

Jianou City is located in the southeastern corner of the Wuyi Mountains in Fujian Province. It is a key collective forest area in South China and is known as a green vault. The climate here is mild, rainfall is abundant, and the soil is fertile. The average annual temperature is 18.7°C and annual rainfall is 1670mm. It is very suitable for tree growth such as Castanopsis chinensis, Chinese fir and bamboo.

Jianou chinensis planted in Jian'ou City, 300-1000 meters above sea level, due to large temperature difference between day and night, adequate rainfall, suitable temperature, promote the accumulation of carbohydrates, nut protein, carbohydrates, starch, amino acids and vitamin content The increase, combined with the 12 high-quality and high-product varieties and the traditional cultivation techniques, harvesting, and storage techniques that the people of Jianye have long chosen, ensure that the products of the chestnut-nut products are large, uniform, glossy, and full of kernels. Full and rich, with unique "bread, sweet, fragrant" quality characteristics.

Economic Value

Jianou chinensis has a high economic value, is a green food, high nutritional content, the fruit contains starch 64.22%, protein 7.63%, fat 2.33%, water-soluble total sugar 12.57%. It also contains carotenoids, trace elements, vitamins and 17 kinds of amino acids needed for human nutrition. The vitamin content is 30.2-40.8 mg/100 g. Its nutritional value is higher than flour, rice and potatoes. Can be eaten raw, fried, cooked, stewed, but also processed into cakes, milk replacer, chocolate candy, canned food, chestnut and other foods.

Cone chestnut hard material, fine texture, resistant to water, can be used for sleepers, construction, furniture and other materials.

Medicinal value

Castanea henryi has high medicinal value. The chestnut fruit has functions such as nourishing the stomach, strengthening the spleen, tonifying the kidney, strengthening gluten and promoting blood circulation. The leaves, skin and roots can all be used medicinally. The old root is a good medicine for treating rheumatism.

Quality characteristics

The main fine varieties of Jianpu cone chestnut were Wushan longmang, Huangshan hazel, Bailuzi, and oil hazel. After determination, the protein content of Jianpu cone was more than 7.6%, the fat content was below 2.0%, and the total water soluble sugar content was 13.1% or more contains various amino acids and trace elements that the human body needs. It has the characteristics of fragrant taste, sweet but not greasy, nutrient-rich, and stomach and kidney. The people in the producing areas are accustomed to eating rice by the use of crushed chestnut flour instead of rice, which is natural and woody food suitable for all ages.

Geographical product protection

In 2004, in accordance with the "Provisions on the Protection of Geographical Products of Origin", the AQSIQ approved the application for the protection of geographical products of the Jianpu County of Jianou, and approved the implementation of protection of the geographical origin of the Jianpu.

Geographical protection scope

The geographical scope of the company's origin is based on the request of the Jian'ou People's Government of Fujian Province that “The request for the protection of the Jianbang urchin as a product of geographical origin” (Zhuzheng [2003] No. 53) and “on request” will be established. The area covered by the report of the Supplementary Explanation of Geographical Area Scope in the Request for Protection of Geographical Product of Origin (Gao Zheng [2003] No. 99) shall prevail: the administrative area under the jurisdiction of Jianye City, Fujian Province.

Quality and technical requirements

(1) Varieties: 12 varieties including Bailuzhe, Chaishuhong, Wenyanghong, Hazelnut oil, Wujiaochangmang, Huangdeng, Taijiazui, Cinnamomum halodendron, Cinnamomum brevicornum, Longmant, Titanium pedunculata .

(2) Cultivation: Seedlings of Castanopsis chinensis were used to cultivate suitable rootstocks, and cuttings of Jianou varieties were selected for grafting. Use pruning, thinning and fruit thinning methods to adjust the amount of flowers and fruits.

(3) Harvesting: The total alfalfa is yellow and cracking naturally. The nuts are tan and reddish-brown and glossy when harvested.

(4) Nut characteristics: Nuts are uniform in fruit, glossy in appearance, full of nuts, yellowish-white or pale yellow, rich in chestnut, tender meat, and fruit weight ≥ 6.5g. Fresh fruit within 180 days, fresh fruit protein ≥ 6%; starch 55% -70%; fat ≤ 3%; water-soluble total sugar ≥ 9%.

Special signs use

Producers within the geographical area of ​​Jianpu, such as the use of Jianpu Cinnamon as a "product-specific product-original sign," must apply to the reporting agency set up by the local Bureau of Quality and Technical Supervision and pass the preliminary examination. The AQSIQ shall be qualified by the AQSIQ. After the approval of the announcement, the Jianye Cinnamon can only be used as a “sign for the geographical product of origin”.

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