Difference Between Purple Onion and Yellow Onion

Purple onions and yellow onions are both common in life. They are both important members of the onion family, but there are also certain differences between them. So what is the difference between purple onions and yellow onions? I will tell you in detail so that you can easily understand the difference between purple onions and yellow onions.

Difference Between Purple Onion and Yellow Onion

1. The difference between the nutritional effects of purple onions and yellow onions

There are certain differences in the nutritional effects of purple onions and yellow onions. The content of sulfide and anthocyanin in purple onions is particularly high, which can be anti-oxidant and anti-aging, while the content of these substances in yellow onions is particularly low, and the antioxidant capacity is relatively poor. In addition, purple onion soaked in wine can also treat male prostate disease, but yellow onions cannot.

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

Purple onions and yellow onions also have a big difference in taste. Purple onions are less spicy and slightly sweet, and can be eaten raw, while yellow onions are very spicy and cannot be eaten raw. They are suitable for stir-frying or making soup. In addition, purple onions are thicker and have a high juice content, while yellow onions are thinner and have a low juice content.

3. The difference between purple onions and yellow onions in storage

There are also certain differences in the storage methods of purple onions and yellow onions. Yellow onions need to be stored in a dry and cool place. A warm environment will cause it to sprout quickly and cause a large loss of nutrients. Purple onions, on the other hand, do not have high requirements for the storage environment and can be placed in a cool room. Their shelf life can be much longer than that of yellow onions.