Purple onion and white onion, which one has higher nutritional value?

Purple onions and white onions are both common ingredients and have similar tastes, but there has always been controversy over their nutritional value. Some people think that purple onions have higher nutritional value, while others think that white onions have higher nutritional value. So which of the two ingredients, purple onions or white onions, has higher nutritional value?

Purple onion and white onion, which one has higher nutritional value?

1. The nutritional value of purple onions is higher than that of white onions

The nutritional value of purple onions is higher than that of white onions. Although the nutrients they contain are very similar, some nutrients in purple onions are not found in white onions. The most important nutrient in white onions is vitamin calcium. Eating it regularly can prevent obesity and diabetes.

2. Purple onions can resist oxidation

Purple onions contain some natural antioxidants, but white onions do not. Quercetin and anthocyanins are the most important components of purple onions. They can improve the body's antioxidant capacity, prevent intestinal cell cancer, and increase cell activity. Regular consumption of purple onions can not only provide antioxidant benefits but also delay the occurrence of various aging symptoms.

3. Purple onions can dilute the blood

The content of flavonoids and sulfur compounds in purple onions is also much higher than that in white onions. After entering the human body, these substances can soften blood vessels, purify blood, prevent platelet coagulation, prevent thrombosis, arteriosclerosis and some common heart diseases, and have a significant protective effect on human cardiovascular system. In addition, purple onions have more anti-inflammatory ingredients than white onions. It can prevent the occurrence of colds, enteritis, tracheitis and other diseases. It is the most ideal food therapy ingredient in life, but white onions do not have these effects. Therefore, the nutritional value of purple onions is higher.