Corn is millet of Gramineae. Also known as corn, corn cob, corn, pearl rice, etc.
Compared with traditional food crops such as rice and wheat, corn has strong drought tolerance, cold tolerance, barren tolerance and excellent environmental adaptability. Corn has high nutritional value and is an excellent food crop. As a high-yield food crop in China, corn is an important feed source for animal husbandry, aquaculture and aquaculture. Because corn resources are extremely rich, cheap and easy to obtain, it also has many biological activities such as antioxidation, antitumor, hypoglycemic, immunity improvement, bacteriostasis and sterilization. It has broad development and application prospects.
The vitamin content in corn is very high, which is 5- 10 times that of rice and wheat. Among all staple foods, corn has the highest nutritional value and health care function. Very beneficial to the human body. It is worth noting that the nutritional value of special corn is higher than that of ordinary corn, and the nutritional components such as water, active substances and vitamins of fresh corn are also much higher than those of old corn. Corn also has the function of beauty and slimming. Compared with soybean and wheat, corn has lower fat and protein content and higher carbohydrate content, so corn products are increasingly favored by people who want to keep fit and lose weight.
Corn silk contains crude fiber, crude protein, polysaccharide and crude fat. The chemical composition of corn stigma varies greatly in different varieties and different periods. The contents of total phenols and total anthocyanins in corn silk reached the highest at milk stage, total flavonoids and antioxidant activity reached the highest at spinning stage, while the contents of total phenols and total flavonoids and antioxidant activity in sweet corn and white jade rice reached the highest at spinning stage.