Purple onion effects, functions and taboos

Purple onion is a food ingredient that everyone is very familiar with. It is the skin of the onion, and the flesh is purple-red. It tastes spicy and slightly sweet. It can be eaten fresh, fried, or used as a condiment. Purple onion is not only nutritious, but also has excellent health benefits. It can reduce inflammation and kill bacteria, resist viruses, and prevent the three highs. Below is my detailed introduction to the effects and functions of purple onions. Friends who like to eat onions can take a special look at it.

Purple onion effects, functions and taboos

1. Purple onions can prevent cancer

Purple onions not only contain natural anti-cancer substances such as anthocyanins and trace element selenium, but also contain a natural anti-cancer substance called quercetin, which can prevent mutations in the body's biochemical mechanisms, effectively inhibit the formation of cancer cells, and also inhibit the regeneration of cancer cells, thus playing an important role in preventing and fighting cancer.

2. Purple onions can prevent osteoporosis

In recent years, Swiss scientists have discovered that purple onions contain a certain amount of calcium, and this calcium is easily absorbed and utilized by the human body. If people eat more purple onions, they can effectively increase bone density and have a good preventive and therapeutic effect on osteoporosis, which is highly prevalent in humans.

3. Purple onions can refresh the mind

Purple onions can help human cells better utilize glucose, reduce blood sugar levels, and provide sufficient heat energy for brain cells. Regular consumption of purple onions can not only refresh the mind, but also effectively prevent the occurrence of diabetes. In addition, purple onions also contain some prostaglandin A, which can dilate blood vessels and reduce blood viscosity. It has a certain preventive effect on human hypertension and thrombosis.

4. Taboos of purple onions

Purple onions contain some natural capsaicin, which is very irritating. People with weak spleen and stomach should not eat them, otherwise it will cause abdominal pain. In addition, it is best not to eat purple onions on an empty stomach, otherwise it will be harmful to the body.