There are a lot of corn, the north is generally called Baogu, the stick, the northeast Liaoning dialect is called pearl grain, the Chaozhou dialect is called glutinous rice kernel, the Cantonese is called corn, and the southern language is called ramie. The taste of corn is sweet, but many people do not know that corn was actually introduced to China during the Ming Dynasty. Corn is native to southern Mexico in Central America. Indians in the Americas began planting corn 7,000 years ago. Because corn is suitable for growing in the drylands, Western European colonists brought corn seeds back to Europe after invading the Americas and then were widely planted in Asia and Europe. Around the middle of the sixteenth century, China began to introduce corn, and in the 18th century it spread to India. Corn is mainly distributed between latitudes of 30°-50°. The most cultivated areas are the United States, China, Brazil, Mexico, South Africa, India and Romania. China's main corn producing areas are the northeast, north and southwest mountains. Each 100 grams of corn contains: calories 196 (calorie), potassium 238 (mg), phosphorus 117 (mg), vitamin A 63 (micrograms), magnesium 32 (mg), carbohydrates 22.8 (g), vitamin C 16 ( Mg), protein 4 (g), dietary fiber 2.9 (g), niacin 1.8 (mg), selenium 1.63 (microgram), fat 1.2 (g), sodium 1.1 (mg), iron 1.1 (mg), calcium 1 ( Mg), zinc 0.9 (mg), vitamin E 0.46 (mg), carotene 0.34 (micrograms), vitamin B1 0.16 (mg), vitamin B2 0.11 (mg), copper 0.09 (mg). Chinese traditional medicine believes that corn is sweet and flat, and it begins with the foot and the foot. It has the effect of appetizing in the stomach and benefiting the lungs. 1, corn helps to lose weight and detoxification Each 100 grams of corn contains only 196 kilocalories of heat, 2.9 grams of crude fiber. Eating more corn can help increase satiety. The crude fiber in corn is 4 to 10 times that of fine rice, fine noodles and other fine foods. Intestinal peristalsis, while corn is rich in magnesium, magnesium can strengthen intestinal peristalsis, promote the body's waste excretion, is very beneficial to lose weight. Corn must also have a diuretic effect and also help to lose weight. 2, corn helps soften blood vessels to prevent cardiovascular disease Corn contains up to 2% linoleic acid, an essential fatty acid that the human body cannot synthesize. Linoleic acid can lower blood cholesterol and prevent atherosclerosis, which can lower blood pressure and lower cardiovascular and cerebrovascular diseases. The incidence of the disease. 3, corn helps protect eyesight Yellow corn contains more carotene and lutein. Carotene is a photosensitive substance in visual cells. It can be converted into vitamin A in human body, which can treat night blindness, dry eye disease and epithelial keratosis; It is highly resistant to oxidation and helps the eyes filter blue light and avoid damage to the eyes caused by blue light. Lutein can prevent macular degeneration and retinitis pigmentosa; reduce the production of drusen and prevent the occurrence of AMD (senile macular degeneration). Lutein can quickly relieve visual fatigue and improve symptoms such as blurred vision, dry eyes, eye swelling, eye pain and photophobia. 4, corn helps fight cancer It is well known that selenium is a kind of trace element which helps to fight cancer. Selenium can accelerate the decomposition of peroxide in the body, protect the lipids in the cell membrane from oxidation, thereby protecting cell membranes and cells from harm and preventing cancer. Selenium also reduces the toxicity of aflatoxins and stimulates the production of antibodies. 5, corn also helps beauty skin care Corn contains vitamin E and various minerals, which can reduce and eliminate pigmentation of senile plaques and pigmentation, and increase cell elasticity. It is a good food for beauty and skin care. Corn is suitable for everyone, but it should be noted that when the corn is moldy, it will produce mycotoxins, which can enter humans and animals through feed or food, causing acute or chronic toxicity of humans and animals, damaging the liver and kidneys of the body. Nerve tissue, hematopoietic tissue and skin tissue. Therefore, moldy corn must not be eaten. In addition, the protein content of corn is relatively low, and at the same time it lacks the tryptophan necessary for human beings. Long-term consumption of corn alone may cause dermatosis, so when using corn as a staple food, you may wish to eat some soy products, meat and egg products, and seafood. Wait.
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Introduction to the efficacy and role of corn