The difference between purple onions and white onions

Purple onions and white onions are very common in our daily life. They look very similar except for the different colors. Many people are very confused when buying these vegetables because they don’t know the difference between them. Some people have heard that purple onions are genetically modified foods and dare not buy or eat them. So is this true? What is the difference between purple onions and white onions?

The difference between purple onions and white onions

1. Characteristics of purple onion

Purple onion is a type of onion and is not a genetically modified vegetable. Onions are mostly divided into three types: white onion, purple onion, and yellow onion. Among them, purple onion has the spiciest taste and the highest nutritional value. It contains a large amount of antioxidants, which can delay aging and prevent many diseases.

2. The difference in taste between purple onions and white onions

There is a clear difference in taste between purple onions and white onions. Purple onions are slightly red and spicy, suitable for cooking or salads. White onions are tender, with high moisture and sweetness, suitable for fresh or roasted consumption.

3. Differences in nutritional value between purple onions and white onions

Purple onions and white onions are both nutritious ingredients, but there are some differences in their nutritional value. White onions contain a lot of carotene and vitamin C, which can help people fight fatigue, while purple onions have a relatively low content of these substances. Purple onions have a particularly high content of anthocyanins, and they also contain some trace elements such as calcium and potassium, which have a very obvious anti-aging effect when people eat them.