Yam turns purple due to oxidation. The color of yam will change after being peeled for a period of time. This is mainly because iron rod yam contains a unique chemical component called phenol. If the skin of yam is removed and left for a while, oxidative discoloration will occur. This is It is a normal reaction and can be used with confidence and will not cause adverse effects on the body.

Yam and bean curds contain dietary fiber, which can promote intestinal peristalsis, enhance gastric motility and promote digestion after consumption. Especially for those with indigestion, eating yam beans can also treat symptoms such as weakness of the spleen and stomach, and can be used both as medicine and food. Most of the fiber in yam beans is concentrated on the epidermis. After eating yam beans, it will give people a feeling of fullness and make people not want to eat anymore. In addition, it can promote digestion and eat less, so you can eliminate more food. , can naturally play a role in losing weight.

The skin of yam beans contains a large amount of mucus protein. This substance can lubricate the intestines and promote intestinal motility, so it can have a laxative effect, especially suitable for constipation. People eat.

Yam and bean porridge

Yam and bean porridge is the simplest way to eat it. When cooking white rice porridge, add some yam beans and cook it together. After it is cooked, you can eat it. Now, the smaller yam beans just need to be washed and cut in half if they are too big.

Yam is a root plant that can be eaten directly and can be made into yam porridge, soup, etc., and is used as both food and medicine. In terms of nutritional value, it contains a variety of amino acids necessary for the human body, which can enhance the body's immunity. It can also provide sugar to the human body, thereby relieving physical fatigue in a short period of time. Traditional Chinese medicine believes that it has the effects of replenishing qi, strengthening the spleen, nourishing the kidneys, nourishing the heart and calming the mind.