Yam has three properties of Chinese medicine, grain and vegetable, and it is not only an ordinary vegetable. Dioscorea opposita, a plant of Dioscorea in Dioscoreaceae, is twined with herbaceous vines. Yam tubers are long cylindrical and grow vertically. Stems are usually purplish red, right, and glabrous. Yam seeds are produced in the middle of each place. Yam is one of the earliest foods used by human beings since ancient times.

1. Yam is not an ordinary vegetable. Because yam is rich in nutrients, it is one of the important materials in daily diet. More than 700 years ago, yam was used as a very good tribute to entertain distinguished guests. The best variety of yam is Dioscorea opposita, which is often called hardcore yam in life, and is considered by many health experts as longevity food, which is particularly good for health. And yam is a good health care material. Eating more yam in peacetime can promote human body to secrete more interferon and improve human immune ability. In addition, yam is rich in lecithin, which can improve people's memory. Especially teenagers who use their brains more should eat more yam. Yam is suitable for long-term persistence and can also play a role in strengthening the body.

Second, what should I do if my hands itch after cutting the yam? According to the investigation, the yam saponin that can cause itchy hands is afraid of heat, so you can wash your hands first and then bake them on the fire after the itch, and be careful not to bend over, which can relieve the itching on your hands. In fact, it is easier to take disposable gloves or zipper bags to deal with hemp when cutting hemp. This can well avoid the contact between yam juice and hands, and fundamentally eradicate the problem of itchy fingers, or once it comes into contact with yam juice, rinse it with clear water immediately and coat it with salt. Fresh yam should be soaked in salt water after peeling. Otherwise, it is easy to oxidize and discolor when exposed to air.

To sum up, eating more yam at work is more useful than eating more healthy food. There are many cooking methods for yam, and the most convenient one is frying yam. This method is very simple, especially suitable for office workers who have no time to cook on weekdays. Moreover, Chinese yam can activate the spleen, and it contains a lot of amylase or oxidase, which is helpful to the functional recovery of the spleen and stomach system and has a significant therapeutic effect on diseases of the spleen and stomach system.