Why Is It Called A Red Onion?

Have you ever wondered why red onions are called red onions? It’s a mystery as old as the vegetable itself. For many years, people have been trying to figure out why red onions got their name.

This article will shed some light on the mystery of why red onions are called red onions. Not only will you discover the origins of their name, but you’ll also learn about some interesting facts related to red onions.

Did you know that red onions are among the most versatile vegetables, used in a variety of recipes around the world? They contain over 26 types of antioxidants, which is why they’re known for their countless health benefits.

Furthermore, 115 different varieties of red onions can be found in the United States alone. So let’s dive in to explore why red onions are called red onions and uncover some of the secrets behind this tasty vegetable.

Why Is It Called a Red Onion?

Red onions are one of the most common onion varieties available and have become a staple presence in many salads, sauces, salsas, and other dishes.

Red onions are so named because of their reddish-purple hue – but why are they that color in the first place?

Aged Versions of Yellow Onions

Red onions are actually a special type of yellow onion. Unlike their white counterparts, yellow onions develop a reddish-purple hue when exposed to light over a long period of time.

For example, when yellow onions are left to mature in the fields, they start to turn reddish-purple in color. This process is caused by a type of anthocyanin pigments called anthocyanins.

Health Benefits of Red Onions

Red onions are much higher in antioxidants than their white and yellow counterparts. These antioxidants, along with other nutrients, can help support the immune system, protect cells from damage, reduce inflammation, and reduce cholesterol levels. They contain high levels of vitamins C and B6 as well as manganese and potassium.


In summary, red onions get their color from anthocyanin pigments, which are activated when the onions are aged over long periods of time. They are higher in antioxidants than other types of onions, which give them a range of health benefits.

Now that you know why red onions are called so, why not pick up some for your next meal! Citation URLs: – https://www. everlastingherb.

com/why-red-onion/ – https://www. livestrong. com/article/522342-nutrition-of-red-onion/

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