Eleocharis dulcis
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| iWater chestnut | ||||||||||||||
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| Eleocharis dulcis (Burm. f.) Trin. ex Hensch. |
Image:Wasserkastanie 2.jpg The Chinese water chestnut (Eleocharis dulcis; Chinese: 荸荠; pinyin: bíqí; synonyms E. equisetina, E. indica, E. plantaginea, E. plantaginoides, E. tuberosa, E. tumida), more often called simply the water chestnut, but not to be confused with the unrelated water caltrop which also goes by that name, is a grass-like sedge grown for its edible corms. It has tube-shaped, leafless green stems that grow to about 1.5 metres high.
The Chinese water chestnut is native to China and is widely cultivated in flooded paddy fields in southern China and parts of the Philippines.
The small, rounded corms have a crispy white flesh and can be eaten raw, slightly boiled, grilled, pickled, or tinned. They are a popular ingredient in Western-style Chinese dishes. In China, they are most often eaten raw, sometimes sweetened. They can also be ground into a flour which is used especially to make fried cakes called matigao (马蹄糕; mǎtí gāo). They are unusual among vegetables for remaining crisp even after being cooked or canned. They do this because their cell walls are cross-linked and strengthened by certain phenolic compounds, a property shared by other vegetables that remain crisp in this manner, including the tiger nut and lotus root.<ref>McGee, Harold (2004). On Food and Cooking (Revised Edition). Scribner. ISBN 0-684-80001-2. p. 308.</ref>
The corms are rich in carbohydrates (about 90% by dry weight), especially starch (about 60% by dry weight), and are also a good source of dietary fiber, riboflavin, vitamin B6, potassium, copper, and manganese [1].
If eaten uncooked, the surface of the plants can transmit Fasciolopsiasis.
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[edit] External links
- Porcher Michel H. et al. 1995 - 2020, Sorting Eleocharis Names. Multilingual Multiscript Plant Name Database - A Work in Progress. Institute for Land & Food Resources. The University of Melbourne. [2] (2004).
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