Nutritional analysis of cold water spinach: Water spinach is rich in nutrients such as cellulose, hemicellulose, lignin, calcium, carotene, chlorophyll, and protein. It has the functions of promoting gastrointestinal motility, laxative and detoxification, cleaning teeth and preventing caries, building skin, preventing cancer and infection, preventing heat stroke and antipyretic, cooling blood and detoxifying, preventing and treating dysentery, and lowering cholesterol. Known as the "green product".