First, the name meaning

25.3 orange is Gannan navel orange, which is a special product of Ganzhou City, Jiangxi Province and a national geographical indication product. Gannan navel orange has an annual output of one million tons. Ganzhou City, Jiangxi Province has become the world's largest navel orange planting area, the third largest navel orange producing area in the world and the largest navel orange producing area in China.

Nongfu Spring 17.5 orange is a navel orange variety-Newark navel orange, which has been carefully cultivated for many years in a suitable environment. Thin skin, big head, full meat, sufficient water and less slag. The sugar-acid ratio of a single orange is about 12, the high one is about 20, and the average is about 17.5. Rich in fruit acids such as citric acid, malic acid and succinic acid, it is beneficial to human health.

Second, the product features

Gannan navel orange, the fruit is large and square, generally 250g each, with bright orange red, bright appearance, edible rate of 85%, bright red color, slightly darker than oranges in other places; The peel is smooth and delicate; The fruit is oval in shape. Gannan navel orange contains more than 55% fruit juice, soluble solids 14%, up to 16%, sugar 10.5%~ 12%, acid 0.8~0.9%, and solid-acid ratio15. Compared with American navel orange, the soluble solid content is 1~2 percentage points higher, and compared with Japanese navel orange, the soluble solid content is 1~3 percentage points higher.

Nongfu Spring is 17.5 orange, and the average navel orange 17.5 gold sugar-acid ratio. Based on the classification standard of USDA, the sugar-acid ratio of 17.5 orange is at least 12.7, and it can reach about 20 when it is high, with an average of about 17.5. A little sour and sweet is the delicious taste of oranges.

Third, the nutritional value

Gannan navel orange is rich in various nutrients necessary for human body. After testing, every 100ml of fresh navel orange juice contains: soluble solids115%, sugar11.0 ~13.0g, and citric acid 0.88. Vitamin A0. 127mg, vitamin B 10.08mg, vitamin B20.03mg, vitamin C55~75mg, and rich in calcium, iron, phosphorus, magnesium, potassium, sodium and other elements. It also contains anticancer substances, such as vitamin P, carotene, carotenoids, (R)- lemon oil, coumarin, flavonoids, limonin analogues, glycerol lipids, acridone and pectin.

Nongfu Spring 17.5 oranges are rich in citric acid, malic acid, succinic acid and other fruit acids, which are beneficial to human health.

Extended data

Development history of navel orange in southern Jiangxi

/kloc-More than 0/500 years ago, Liu in the Southern and Northern Dynasties recorded in "Different Gardens": "Nankang has mountains, oranges, tangerines and pomelos." Nankang is the area around Ganzhou today. By the Northern Song Dynasty, orange, orange, pomelo and other fruit trees had grown into forests. In Qing Dynasty, Gannan navel orange was one of the fruits that lower officials paid tribute to the court and won the favor of Yong Zhengdi.

197 1 year, Anxi Horticultural Field in Xinfeng County was introduced from Shaoyang, Hunan Province 156 "Washington Navel Orange". 1974 started, and 1975 participated in the Canton Fair in March, which was highly praised by foreign trade circles and Hong Kong business circles. The trial sale price in Hong Kong is HK$ 36 per kilogram, which is higher than the navel orange produced in the United States.

In the 1980s, the comprehensive investigation team of southern mountainous areas of China Academy of Sciences conducted a one-year field trip in Gannan, and concluded that "Gannan has a unique citrus climate and should become an important base for citrus commodity production in China." At that time, Hu Yaobang, General Secretary of the Communist Party of China (CPC) Central Committee gave instructions on the development of citrus industry in southern Jiangxi. Ganzhou successfully introduced 8 navel orange varieties from Huazhong Agricultural University.

1990165438+10, Ganzhou science and technology department organized experts to check and accept the project, and the field production reached 2964. 18 kg, which was the best result of similar research in China at that time.

On June 24-29, 2000, 165438+2000124, Wang Xiaobing, deputy director of the Economic Work Department of the Department of Planting Management of the Ministry of Agriculture, Professor Sun Zhonghai, director of the Citrus Research Institute of Huazhong Agricultural University, and Deng Lie, assistant researcher of the director of the Citrus Research Institute of Chinese Academy of Agricultural Sciences, and other delegations visited Gannan to inspect navel orange production, and put forward "Gannan: the hope of citrus in China after China's entry into WTO?" International Navel Orange Festival in Ganzhou City, Jiangxi Province On February 12, 2003, the Ministry of Agriculture officially issued the Regional Layout Plan of Advantageous Agricultural Products (2003-2007), which listed Gannan as an advantageous industrial zone in southern Jiangxi and northern Guangxi, and will become an important production base of fresh navel oranges in China.

In 2003, it was approved as a protected product of geographical indications in China.

2012165438+128 October to 65438+2 February, the 4th China Ganzhou International Navel Orange Festival was held in Ganzhou, sponsored by the Ministry of Agriculture and the Jiangxi Provincial People's Government, and undertaken by the Ganzhou Municipal People's Government and the Jiangxi Provincial Department of Agriculture, with the theme of "Meet the orange town of the world * * to promote Gannan".

2012165438+1On the morning of October 29th, the awarding ceremony of China famous trademark "Gannan Navel Orange" was held in Golden Square, Ganzhou City. The geographical indication trademark "Gannan Navel Orange" was approved and registered by the Trademark Office of the State Administration for Industry and Commerce in June 2009, and became a public brand of Ganzhou Navel Orange industry.

In 20 17, Gannan navel orange was listed in the mutual recognition and protection list of "100+ 100" in Central Europe.

References:

Baidu Encyclopedia-Gannan Navel Orange

References:

Baidu Encyclopedia-Nongfu Spring 17.5 Orange