Discover the Tiny Kumquat Citrus Fruit (Origin, Nutrition and Benefits)

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Last updated: August 17, 2022

A tiny version of an orange with an exotic name; that is perhaps the best and quickest way to describe a kumquat.

Kumquats really are an interesting citrus fruit, and not just because of their looks and name. The small kumquat also packs a punch when it comes to nutrition and flavors.

After spotting them in my local grocery store, I had the pleasure of eating a few kumquats, and I have since been somewhat intrigued by this fruit.

In this article, I am going to walk you through the origins of the kumquat fruit, its nutritional profile, how best to eat it, and where to find it.

What Is a Kumquat?

Also known as cumquat or Fortunella margarita, the small kumquat is a citrus fruit, very similar to the orange, but much smaller in size.

The fruit comes from a group of fruit-bearing trees that go by the Latin name of Citrus japonica which are part of the Rutaceae family of flowering plants.

It’s usually hard to tell from pictures, but a kumquat really is a small fruit. It is about the size of a large grape or an olive. When ripe, kumquats typically have a bright orange color, and green when they are unripe.

The name kumquat is derived from the Cantonese language and means “golden orange” or “golden tangerine”. The fruit is native to China and has also long been cultivated in other parts of South Asia and Asia-Pacific, such as Japan, the Philippines, and India.

Kumquat tree
Kumquat tree

The fruit has always played a role in traditional Chines medicine and has often been used to treat minor inflammatory ailments, such as colds and coughs.

Because kumquats can be cultivated in colder, non-tropical climates, they have also been introduced to, and grown in, Europa and North America.

How to Eat a Kumquat?

Kumquats can, and should be, eaten raw. What is so surprising, though, is that, unlike oranges, kumquats don’t actually need to be peeled.

The peel is indeed perfectly edible and actually tastes sweet. This works well with the flesh, which, like most citrus fruits, has a sour taste. The seeds can also be eaten, but they do taste quite bitter.

Kumquat slices
Kumquat slices

The fact that you can eat a kumquat whole, without peeling, makes it an excellent healthy snack. Sweet, sour, and bitter flavors all mixed in one small citrus fruit!

Also, and this may not be very obvious, the sweet and sour taste makes kumquats a good ingredient in various recipes, such as cocktail drinks, salads, and meat dishes.

Where to Find Kumquats?

Because kumquats are also grown in regions outside Asia, they are relatively easy to find. At least, easier than most other exotic fruits.

You may not see them in large grocery store chains, but if you try the smaller Asian grocery stores, gourmet food markets, or farmers markets, you will most likely find them.

Nutritional Profile of Kumquats

Let’s go for a deep dive into the nutritional profile of the mighty kumquat fruit. This is always my favorite part because I’m a bit of a nerd when it comes to stats, facts, and data.

As you can see in the table below (data derived from the USDA website), kumquats are very nutritious. Some of the vitamins and minerals that stand out are vitamin C (no surprise, because the kumquat is a citrus fruit), calcium, iron, magnesium, and B vitamins.

Flesh of a kumquat fruit
Flesh of a kumquat fruit

Also worth noting is the carbohydrates content. The amount of dietary fiber is significant, with 6.5 grams per 100 grams. The sugar part is also relatively high, with 9.36 grams, but that can be expected from most fruits and isn’t something to worry about when consumed in moderation.

I don’t know about you, but in my humble opinion, this is a pretty impressive nutrition profile for such a small fruit. Remember that the stats below are for 100 grams worth of raw kumquats.

Kumquat Nutritional Profile (raw, 100 g)
Water 80.85 g
Energy 71 kcal
Protein 1.88 g
Fat 0.86 g
Carbohydrates 15.9 g
>> Dietary fiber 6.5 g
>> Sugars 9.36 g
Minerals
Calcium 62 mg (6% DV)
Iron 0.86 mg (7% DV)
Magnesium 20 mg (6% DV)
Manganese 0.135 mg (6% DV)
Phosphorus 19 mg (3% DV)
Potassium 186 mg (4% DV)
Sodium 10 mg (1% DV)
Zinc 0.17 mg (2% DV)
Vitamins
Vitamin A (RAE) 15 µg (2% DV)
Vitamin B1 (Thiamine) 0.037 mg (3% DV)
Vitamin B2 (Riboflavin) 0.09 mg (8% DV)
Vitamin B3 (Niacin) 0.429 mg (3% DV)
Vitamin B6 0.036 mg (3% DV)
Vitamin B9 (Folate) 17 µg (4%)
Vitamin C 43.9 mg (53%)
Vitamin E 0.15 mg (1%)
Sources: USDA, Wikipedia

Benefits

Please note that, like most fruits, kumquats are a healthy treat and have a great nutritional profile, but they don’t necessarily stand out. All of the vitamins and minerals in kumquats can also be found in other, more common, fruits and vegetables.

In other words, there is no need to start eating kumquats today to take advantage of their nutrients. Maintaining a balanced diet with different fruits and vegetables is always the best way to go.

Kumquats in a bowl
Kumquats in a bowl

With that in mind, let’s take a look at some of the potential nutritional benefits we can expect from eating kumquats.

1. Source of Vitamin C

Like all citrus fruits, kumquats are a great source of vitamin C, an essential nutrient that supports a number of important functions in the human body.

Also known as L-ascorbic acid, vitamin C acts as an antioxidant and helps to strengthen our immune system.

2. Source of Dietary Fiber

The kumquat is an excellent source of dietary fiber, especially the peel. With 6.5 grams of fiber per 100 grams, the tiny kumquat does stand out when it comes to fiber content compared to many other fruits.

Kumquats
Delicious kumquats

Fiber is essential in various ways, but its main benefit is that it supports gastrointestinal health.

Dietary fiber works as a natural laxative, so that our bodies are better able to properly process the food we consume. It helps to prevent constipation and also promotes healthy gut bacteria.

3. High in Antioxidants

Kumquats contain flavonoids, which are compounds with antioxidant and anti-inflammatory properties that help to lower blood pressure and cholesterol levels.

It’s interesting that the peel contains most of the flavonoids, rather than the flesh, which is another good reason to eat kumquats as whole fruits.

The peel also contains essential oils which can have antioxidant and antimicrobial effects.

Final Thoughts

I hope this guide has triggered your enthusiasm about kumquats and that you will try them out yourself. Despite its small size, the kumquat is a delicious and unique citrus fruit.

As you may have worked out, I love trying out new fruits and veggies. So, whenever I go to the grocery store, I always keep an eye out for something new to bring home.

And if I really like them, I study and write about them too. Have you ever tried snake fruit, for example? Or rambutan fruit, perhaps? But my personal favorite is still, and always will be, dragon fruit, the most delicious of them all.

 

The tiny kumquat citrus fruit (nutrition and benefits)

 
Donna Harrison

I created Healthy Food Tribe because I am passionate about discovering new foods and learning everything about them. I am also a smoothie fanatic and I document all my favorite recipes here on my blog.

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