Donglan oil chestnut

Chestnut, which belongs to Fagaceae, has a long history in Donglan.

Donglan chestnut has a long life and high yield, and the fruit-bearing period is more than 50 years, even 100 years. It is known as the "cash cow" of one hundred years of harvest and one generation of multi-generation harvest. At present, there are more than 1000 years old "birthday star" chestnut trees in the county, which are still full of fruit. Since 1991, through the efforts of scientific and technological personnel, Donglan County has introduced the nationally famous "nine species" of Chinese chestnut and grafted with local Chinese chestnut, and cultivated hybrid chestnut with the advantages of dwarfing, early maturity, high yield, large fruit and quick fruit. at present, the area of chestnut Donglan oil chestnut in the county is 200000 mu, hanging fruit 60 million mu, and the annual output is more than 7 million kilograms. In August 2001, it was awarded "the hometown of Chinese Chestnut" by the State Forestry Administration.

Donglan chestnut is mainly fragrant chestnut, which is famous for its thin skin, bright color, beautiful appearance, delicate meat, sweet and delicious. The single fruit weighs 15mur19g and is rich in protein, sugar, fat, vitamins and minerals. Compared with Chinese chestnut in other places, it has the characteristics of high sugar, high starch, low fat and moderate protein. Its protein content accounts for 9.98%, fat content accounts for 2.88%, sugar content accounts for 19%, starch content accounts for 72.5%, which is 7% higher than ordinary rice and 5.6% higher than @ # @ 245zinc @. And rich in a variety of amino acids, vitamin B1, B2, C and calcium, phosphorus, iron, zinc and other trace elements.

Donglan chestnut can be eaten either cooked or raw. Cooked food powder crisp, sweet and pleasant, raw food sweet and crisp, known as the fruit treasures, its nutritional value is comparable to rice, so it is also known as "iron crops".

Chinese chestnut also has good medicinal value. It is recorded in Qian Jin Fang by Sun Simiao, the king of medicine in the Tang Dynasty: chestnut kernel, "take it for those with kidney disease". Taking several tablets in the morning, middle and evening every day is quite effective for senile kidney deficiency, frequent urination, waist and leg weakness and so on. Su Shi, an essayist in the Northern Song Dynasty, once suffered from soft foot disease and was not cured for a long time. Later, he met a Shanweng and told him to mash and cook soup with 10 grains of fresh chestnut every morning. Sure enough, he took it for several days and recovered. So he happily wrote the poem: "since the old man got sick with his waist and feet, the mountain man obeyed the old chestnut prescription; the guest came to say morning and evening, and three swallows Xu to collect white jade pulp." The Empress Dowager Cixi in the Qing Dynasty also liked to eat Chinese chestnut. She asked the imperial dining room to fine-process and grind the chestnut, then mix it with rock sugar and steam it into a chestnut nest head for her every meal.

In recent years, medical studies at home and abroad have found that Chinese chestnut also has many functions, such as invigorating qi and tonifying blood, moistening intestines and kidney, relieving frustration and moistening lung, invigorating spleen and benefiting essence, so it is also called "medicinal fruit". The products are sold all over the world.