Can I still eat yam if it turns yellow?

Yam can inhibit the growth of cancer cells in the human body, so eating more yam is helpful for health care. And the material components in yam are also very rich. For example, sugar and protein are contained in yam. Yams, a potato crop, also have many characteristics. For example, yam mucus will make people's skin itchy, or yam will turn yellow after being left for a period of time. Can yam still be eaten at this time?

Can I eat yam when it turns yellow?

Yams can be eaten when they turn yellow. The yellowing is a slight oxidation and is generally not a problem. Even if you have just dug the yam from the mountain and brought it home, it will still turn yellow immediately if the skin is peeled immediately. There is a difference between it and rotten. Rotten is soft, while oxidized is hard.

Yam mainly contains nutrients such as starch, protein, free amino acids (arginine), as well as polysaccharides, mucus glycoproteins, allantoin, polyphenol oxidase, amylase, choline, cholesterol, ergosterol and other active ingredients, trace and major elements zinc, iron, manganese, copper, zinc, selenium, etc.

The biggest feature of yam is that it contains mucus glycoprotein, which has special health benefits for the human body. It can prevent fat from depositing in blood vessels and maintain blood vessel elasticity. And can reduce the accumulation of subcutaneous fat. It can prevent connective tissue atrophy and prevent the occurrence of collagen diseases such as rheumatoid arthritis and scleroderma.

Research in recent years has shown that yam has the effect of inducing the production of interferon and enhancing the body's immune function. The cholecalciferol and lecithin it contains help improve memory. Regular consumption can strengthen the body and delay aging, making it a favorite health product. Modern research shows that yam has anti-tumor, anti-aging, antioxidant, immunity-enhancing, anti-inflammatory, antibacterial and antiviral effects, and has a good regulating effect on cardiovascular diseases, diabetes and the digestive system.

Yam has the following effects

1. The Chinese medicines for lowering blood pressure, such as Liuwei Dihuang Pills, Bawei Dihuang Pills, Guishao Dihuang Pills, etc., are all famous prescriptions made with yam. They are not only used to treat kidney deficiency, but also to treat hypertension, diabetes, asthma, neurasthenia, low back pain and other diseases.

2. Delaying aging: Modern science has proven that yam can significantly reduce the activity of enzymes that accelerate the aging of organisms. Bawei Dihuang Pills containing yam is mainly used to treat postpartum sweating. Baoyuan Qingjiang Decoction and Baoyuan Hanjiang Decoction can treat vomiting blood and nosebleeds. Hanlin Decoction and Gaolin Decoction can cure gonorrhea. Yam can also treat tuberculosis, typhoid fever, and women's diseases, which are beneficial to prolonging life.

3. Anti-tumor effect: Yam tubers are rich in polysaccharides, which can stimulate and regulate the human immune system. Therefore, it is often used as a health care product to enhance immunity. Yam polysaccharides have an antagonistic effect on the cellular immunosuppression caused by cyclophosphamide, and can partially or completely restore the suppressed cellular immune function to normal. Yam can also enhance the phagocytic function of white blood cells.

4. Can cure skin diseases. The allantoin contained in yam has anesthetic and analgesic effects, can promote epithelial growth, anti-inflammatory and antibacterial. It is often used to treat chapped hands and feet, ichthyosis and various keratotic skin diseases. The bionic food made mainly of yam and supplemented with konjac is rich in nutrition, nourishing and fitness, and beautifying. It is a rare healthy and nutritious food.