Yellow Onion Nutrition Facts: Here's All What You Need To Know!

Rajnandini Roychoudhury
Nov 08, 2022 By Rajnandini Roychoudhury
Originally Published on Dec 07, 2021
Edited by Luca Demetriou
Fact-checked by Nishtha Dixit
Yellow onion nutrition facts talk about its calcium, iron, protein, and fiber level.
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Age: 3-18
Read time: 6.0 Min

Onions are one of the vegetables that flaunt some great nutritional advantages. 

Whether it's a simple onion, yellow onion, or sweet onions, they all are rich in antioxidants. This is the primary reason why yellow onion is grown worldwide.

Onion is one vegetable that offers humans great daily food nutritional value. Carbs, calories, proteins, fats, vitamins, carbohydrates, fatty acids, and sugar: onions have it all. Especially when we talk of yellow onions, they specifically contain phytochemicals that help ward-off different diseases and boost daily health in unique ways.

One of the best advantages of yellow onions is that they contain loads of fiber, protein and the total fat count available is equivalent to zero. Thus, yellow onion becomes an essential dietary element in terms of vegetables or foods for individuals trying to get slimmer.

Besides that, yellow onions are also available in the form of scallions, shallots, leeks, and chives in different parts of the world. We can say that yellow onion nutrition facts are plenty, and no nutrition specialist can deny its daily values for health.

If you find this read interesting, then you may also like to read fact articles on food, like types of coconuts and native American food facts.

Yellow Onion Benefits For Health

Even though all the vegetables are equally important for the daily value of your health, onions have some superficial nutrients that are beneficial for health. Yellow onions contain different elements like potent plant compounds, minerals, vitamins, calcium, iron that help manage health in the most amazing ways.

One medium-size yellow onion contains a sufficient amount of proteins, carbohydrates or carbs, and various other nutritional elements that help our health keep away from different types of weak immunity-prone diseases.

Yellow onion is also rich in different B vitamins like B9, vitamin B6, and vitamin B12. All these vitamin B and vitamin C elements play a very vital role in boosting one's metabolism, red cell production, and the nerve functioning of the body.

As they are rich in these nutrient elements, onions help in boosting kidney function and muscle contraction by cutting of the saturated fat content from the body. According to many research studies and as mentioned earlier, the total fat amount in yellow onions is almost negligible, and thus protects us from diseases like obesity, cancer, diabetes, and more. 

People add yellow onion to their regular balanced diet foods in the form of salad portions to cut down fats from the body. In addition to this, onions also contain short-chain fatty acids that actually help in boosting immunity, enhancing digestive functioning, and reducing inflammation. These fatty acids also help in the composition of hormones and lipids.

Amount Of Sodium And Potassium In Yellow Onions

The amount of sodium present in one yellow onion is zero mg. The amount of potassium available in a yellow onion is about 170 mg, which is about 4% of the total nutritional value an onion consists of.

Besides that, a raw onion consists of 146 mg of potassium. If we compare the potassium amount present in different vegetables, then onions indeed have the highest portion of these minerals.

Apart from sodium and potassium, onions also contain significantly fewer calorie and fats, so it is a special element included in low-calorie diets. Apart from that, onions also contain about 4% of iron, 4% of calcium, and a total carbohydrate amount of 16% on one single medium size bulb of the onion.

Additionally, onions also contain a rich form of sulfur, which helps keep away various cardiovascular diseases. A yellow onion contains about 9.3% of the total sulfur amount.

Recently researchers have also found out that all these compounds together also prevent gastric reflux diseases.

The low amount of carbs and sugar in yellow onions helps in lowering down insulin resistance. So, we can totally understand why yellow onions make up about 87% of our total onion crops available in the foods market.

Why do chefs use shallots instead of onions?

People may think shallots and onions are the same, however they are not, especially when it comes to cooking food, which is why chefs prefer shallots over onions.

Shallots generally have more aroma and milder flavor compared to onions, which makes them easy to digest, and thus chefs prefer using shallots while cooking so that it hampers the taste of their dishes gently.

Now, if we talk in detail about shallots and yellow onion, people might think they are different elements, which they are, but they also belong to the same family of onions; Allium cepa. The difference between them is the shape that makes them look different from each other and also the consistency of the flavors.

Shallots offer a mild taste and smell in comparison to onions and can be quickly eaten raw due to their delicate flavors.

However, the nutritional facts are entirely different between shallots and onions, and thus both offer daily value nutrients to the body in their own specific way. In short, there is no answer to which one should be preferred more.

Can you eat raw onions?

Vitamin and protein-rich yellow onion are quite low on the calorie count.

Without a doubt, yes, onions can be eaten raw, and you may not know but eating raw onions offer some of the most notable nutrient benefits to your health. You can add onion to your food diet in the form of salad, topping, or anything else.

In fact, even if you eat raw onion, it will offer you the same nutrient benefits a cooked onion in your diet will offer.

According to various research studies, eating raw onions regularly with your food helps form radical compounds in the body.

These radical compounds help the body prevent cancer-like diseases, reduce the risk of heart stroke, and keep your body free from everyday health ailments like low immunity, migraine, and more.

Apart from that, yellow onion is rich in antioxidants, carbohydrate content, vitamin C, vitamin B, protein, and high dietary fiber; thus, they contribute to healthy and strong bone health as well.

This will directly help you in keeping your body away from diseases such as arthritis and osteoporosis.

Despite having a sweet and light taste, they are low in sugar levels and have a high nutrient count. Yellow onions are also a good source of vitamin C, as we mentioned earlier, so they are also very much helpful in preventing pigmentation from the skin and protecting it from harmful UV rays. 

While concluding, we can say whether you eat yellow onions, red onions, sweet onions, or just any onion, they all have certain nutrient advantages for your health.

So now that you're aware of the nutrition facts about onion how it helps you in cutting down calories, it's time you start to include them in a little portion of your food diet.

Here at Kidadl, we have carefully created lots of interesting family-friendly facts for everyone to enjoy! If you liked our suggestions for yellow onion nutrition facts: here's all that you need to know!

Then why not take a look at why social media is good? Know how your mental health is affected!, or Ariel moon facts: curious details on one of the five moons of Uranus!

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Written by Rajnandini Roychoudhury

Bachelor of Arts specializing in English, Master of Arts specializing in English

Rajnandini Roychoudhury picture

Rajnandini RoychoudhuryBachelor of Arts specializing in English, Master of Arts specializing in English

With a Master of Arts in English, Rajnandini has pursued her passion for the arts and has become an experienced content writer. She has worked with companies such as Writer's Zone and has had her writing skills recognized by publications such as The Telegraph. Rajnandini is also trilingual and enjoys various hobbies such as music, movies, travel, philanthropy, writing her blog, and reading classic British literature. 

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Fact-checked by Nishtha Dixit

Bachelor of Arts specializing in English Literature

Nishtha Dixit picture

Nishtha DixitBachelor of Arts specializing in English Literature

Nishtha is an experienced SEO writer and editor, with a passion for writing and self-expression. She is currently pursuing an undergraduate major in Literature and Communication and a minor in Political Science from the University of Delhi. Nishtha has completed a certificate master course in English from the British Council and has been appointed as the editor for the bi-monthly magazine of the University of Delhi.

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