Water chestnut skin can be eaten.
Water chestnut has a thin skin and juicy, high water content, very easy to lose water and shrivel and rotting and deterioration of the characteristics, in general, water chestnut skin can be eaten, but you need to clean it, because water chestnut is born in the soil, the water chestnut skin may contain gingerbread worms and other parasites, and if you eat the skin of the uncleaned water chestnut, it will also lead to disease.
Water chestnut is a cold food and grows in underground swamps or paddy fields, with bacteria and parasites (such as the ginger bug) attached to the skin, so it is not advisable to eat too much of it raw, and it is important to make sure that the skin is cleaned properly, especially for those who have a weak and chilly spleen and stomach.
Water chestnut growing environment
Water chestnut like warm and humid, intolerant of frost, often growing in shallow fields, water chestnut in the pre-growth needs high temperature and long sunshine, such as sprouting temperature 15-20 ℃, tillering planting optimal temperature 25-30 ℃, and in the later stages of growth, shorten the number of hours of light (appropriate less than 13 hours) can promote the formation of bulb, lower temperatures (20-25 ℃) is also conducive to bulb expansion. Lower temperatures (20-25°C) are also favorable for bulb expansion. The soil is shallow, pH 6-7 sandy loam or humus loam is preferred.