[Edit paragraph]Species information Water chestnut
Pinyin: bí qí
Scientific name: Eleocharis tuberosa
English name: chufa
Genus: Persea, Monocotyledon, Salix, Salicaceae, Water chestnut [edit]简段]简介 The Compendium of Materia Medica (本草纲目), by Li Shizhen, has a detailed description of the shape of the plant and its cultivation method. It is widely cultivated in the provinces south of the Yangtze River in China. Anhui Wuwei, Guangxi Guilin, Zhejiang Yuhang, Jiangsu Gaoyou, and Fujian Fuzhou are famous places of origin. It is propagated by bulbs. After germination, it first forms a short, condensed stem, and its terminal bud and lateral buds are drawn upward into green leafy stems that are slender, tube-like, and erect. The leaf blade degenerates into a membrane sheet, inserted in the base of the leafy stem and the upper part of the bulb, and photosynthesis is carried out by the green leafy stem. Stolons are produced from the shortened stems of the mother plant in all directions, with the tips expanding into new bulbs. Spikes, florets in a spiral adnate. Nutlets, fruit leathery, not easy to germinate.
Seed capsule sprouting at 15 ℃, 25 ℃ began to tiller, 30 ℃ plant vigorous growth, the temperature fell below 20 ℃ when the bulb formation. Generally in the early spring to choose the top bud and side bud sound seed capsule in the outdoor seedbed nursery, often keep wet. Seedlings can be formed in about 15 to 20 days for planting in the field. The spacing between rows and plants is generally 30cm×60cm, and about 3000 holes are planted in mu. Maintain a certain water layer and apply nitrogen fertilizer during tillering and plant division. Phosphorus and potash fertilizers are applied before bulb formation, which have significant effects on increasing yield and improving quality. The main pests and diseases are wilt, stem borers and so on.
Water chestnut bulb contains about 21% carbohydrate, protein 1.5%, can be eaten raw or cooked. Can also be processed canned or as raw material for starch extraction. Chinese medicine believes that there are thirst, digestion, fever function.
Effectiveness: water chestnut contains phosphorus is the highest in root vegetables, can promote human growth and development and maintain physiological functions, the development of teeth and bones have great benefits, while promoting the body's sugar, fat, protein metabolism of the three major substances, regulating the acid-base balance. Therefore, water chestnut is suitable for children to eat. In the study of water chestnut in Britain, a heat-intolerant antibacterial ingredient, water chestnut Ying, was found. This substance has a certain inhibitory effect on Staphylococcus aureus, Escherichia coli, Proteus mirabilis and Pseudomonas aeruginosa, and it also has a certain effect on lowering blood pressure. This substance is also effective against cancer of the lungs, esophagus and mammary glands. Water chestnut also has the function of preventing acute infectious diseases. In the spring when measles and epidemic meningitis are more likely to occur, water chestnut is a very good disease prevention food. Water chestnut is a cold food with good effect of clearing heat and diarrhea. It can not only clear heat and generate fluids, but also replenish nutrients, and it is most suitable for patients with fever. It has the efficacy of cooling the blood and detoxifying the toxin, diuretic and laxative, resolving dampness and expelling phlegm, eliminating food and removing flatulence.
Suitable for people: It is a popular food. It is most suitable for children and fever patients.
Applicable amount: about 10 at a time. Water chestnut should not be eaten raw, because water chestnut grows in the mud, the outer skin and the inside may be attached with more bacteria and parasites, so it must be washed and boiled thoroughly before eating, and the boiled water chestnut is sweeter. Water chestnuts are cold foods, so they are not suitable for people with spleen and kidney deficiencies and blood stagnation. [edit paragraph] Distribution Native to India, China is mainly distributed in Guangxi, Jiangsu, Anhui, Zhejiang, Guangdong, Hunan, Hubei, Jiangxi and other low-lying areas. [edit this paragraph] Synonyms Horseshoe , Pu Capsicum (Liu Shi, Zhejiang, Taizhou, Zhejiang, and Wuhu, Anhui, the pronunciation of Capsicum is the same as the Mandarin), Fructus (Wuwei, Anhui), Wu Taro, Ground Chestnut, Ground Pear, Befoam Capsicum, Tongtian Grass [Hangzhou, Zhejiang], Tzu Kou (Sichuan), Pu Bezel (Jingxian, Anhui, and Guangshui, Hubei) Qian Onion (Chaoshan, Guangdong), Tzu Kou (Shaoyang, Hunan), Magnet Mee (Yueyang, Hunan), Ground Capsicum (Rucheng, Hunan), Pu Chou ( Sichuan, Chongqing) [编辑本段]来源 莎草科荸荠属植物 Eleocharis dulcis (Burm. f.) Trin. ex Henschel [E. tuberosa Roem et Schudt.; E. plantaginea R. Brown.], with the bulb and above-ground parts of the medicine. The above-ground parts are cut in late fall and dried; the bulbs may be used fresh. [edit this paragraph] Uses Water chestnut is sweet and crunchy and nutritious, containing protein, fat, crude fiber, carotene, vitamin B, vitamin C, iron, calcium, and carbohydrates. It can be eaten raw or used for cooking, and can be made into starch.