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What are the benefits and effects of eating corn on the body?
In fact, corn can't be regarded as a vegetable because it contains a lot of starch and has higher calories than ordinary vegetables. Therefore, in nutrition, corn is classified as a staple food. Chinese medicine believes that corn is flat and sweet, which has the functions of appetizing, invigorating spleen, dehumidification and diuresis, and is mainly used for diarrhea, indigestion and edema. According to nutritional analysis, corn contains sugar, protein, carotene, lutein, zeaxanthin, phosphorus, magnesium, potassium and zinc. Age-related macular degeneration (AMD) is a disease caused by aging eyes, which can cause visual impairment in severe cases. It has been found from many epidemiological studies that lutein and zeaxanthin can prevent senile macular degeneration. According to 1994, a study conducted by Harvard Medical School and many research centers in the United States showed that taking higher amounts of lutein and zeaxanthin could reduce the risk of senile macular degeneration by 43%. Corn contains lutein and zeaxanthin, especially the latter is abundant, so corn can be said to be an excellent supplementary food against eye aging. Carotene, lutein and zeaxanthin contained in corn are fat-soluble vitamins. Cooking with oil can help absorption, so it can exert its health effect. From the point of view of anti-free-radical, the research of Cornell University in the Journal of Agricultural and Food Chemistry showed that the anti-free-radical activity of sweet corn was increased by 22%, 44% and 53% after heating it at 1 15℃ for 0/0, 25 and 50 minutes respectively.