Pingle Water Chestnuts

Pingle Water Chestnuts

Pingle water chestnuts are a geographical indication agricultural product.

　　Water chestnuts belong to the Araceae family of herbal plants. Planting begins around the Limit of Heat solar term, with harvesting and market availability around New Year’s Day and during the Spring Festival period. Pingle County has been renowned for its abundant water chestnut production for over 200 years. The water chestnuts from Pingle are large in size with delicate flesh. Among them, those grown in Qiaoting Township are the most flavorful, also exhibiting characteristics similar to Lipu taro—soft texture with a hint of sweetness. They are widely sold to Hong Kong and Macau regions.

　　Water chestnuts are a pollution-free, green health food. Traditional Chinese medicine regards them as sweet and neutral in nature, capable of promoting body fluids, moistening the lungs, invigorating the spleen, and replenishing qi. They have unique therapeutic effects on fatigue-related conditions, coughing, wheezing, and other illnesses. Analysis shows that the main components of water chestnuts are starch, protein, and various vitamins. They are also rich in trace elements such as iron, zinc, and boron that are essential for bodily functions, helping to regulate and enhance human physiological performance.

　　Water chestnuts are one of the traditional produce items in the county. They are primarily grown in Qiaoting, Tong’an, Ertang, and Qinglong townships (and towns), especially the ones from Xuantan Village in Qiaoting Township, which are the most famous. These water chestnuts are exceptionally large—about ten can weigh one kilogram—and they are as white as jade, with a fine, soft, powdery, and sweet texture.

　　Water chestnuts contain twice as much starch as taro and 2–3 times more protein. Their phosphorus content exceeds that of most vegetables. They are easy to digest and have good storage properties. They are suitable for steaming, braising, or boiling, and remain firm even after prolonged cooking. They taste even better when braised with cured meats, steamed and served with sugar, or sliced and deep-fried. They are considered an upscale dish for the Lunar New Year. Hence, they have long been regarded as a premium vegetable in the county and continue to be widely cultivated. Before the liberation, large quantities of water chestnuts were transported from Changtan to Wuzhou, Guangzhou, and the Hong Kong and Macau regions. After the liberation, production growth was slow for a period due to an emphasis on grain production. Before 1980, the average annual planting area in the county was about 200 mu. By the mid-1980s, the planting area had increased ninefold compared to the early 1980s, with total production exceeding 1,000 tons. Cultivating water chestnuts requires relatively little labor while offering high economic returns—typically yielding over 500 kilograms per mu, with a value of over 500 yuan.