Kumquat Benefits for Health and Nutrition, Plus How To Eat Them

A fast look at a carton of kumquats within the produce aisle, and it’s possible you’ll suppose, Honey, they shrunk the oranges. It’s simple to grasp why: They appear to be a clementine trapped within the physique of a plump Kalamata olive. However don’t let their appears to be like deceive you. Regardless of their small, unassuming measurement, kumquat advantages on your pores and skin, intestine, and total longevity are pretty spectacular.

In case you’ve got by no means encountered them on the grocery retailer or farmer’s market: Kumquats are small, orange-colored citrus fruits, in regards to the measurement of a giant grape. They boast a delicate, waxy exterior and juicy, bitter inside. These fruits are native to China, however are additionally grown in the US in citrus-bearing states like California and Florida. The fruit is usually discovered solely throughout its peak season, between mid-winter and early spring within the Northern Hemisphere.

“Kumquats, regardless of their small measurement, are a powerhouse of vitamins providing quite a few well being advantages.” —Lauren Manaker, RDN, LD, CLEC, CPT

Not like most citrus fruits, whose peels are usually used for zesting a dish or garnishing a drink (or, worse, destined for the trash), consuming the whole lot of a kumquat (peel included) isn’t solely potential however inspired . In reality, it’s what provides this flavorful fruit an higher hand with regards to nutrient content material and longevity-boosting advantages in comparison with a few of its shut (citrusy) family. “Kumquats, regardless of their small measurement, are a powerhouse of vitamins providing quite a few well being advantages,” says Lauren Manaker, RDN, LD, CLEC, CPT, a registered dietitian primarily based in Charleston.

Forward, Manaker delves into the spectacular advantages of kumquats, so you’ll be able to squeeze each final drop out of them.

5 kumquat advantages for well being

1. They’re full of vitamin C

In response to Manaker, this tiny fruit packs an enormous punch. “Firstly, they’re a pure supply of vitamin C, enjoying an important position in supporting the immune system and pores and skin well being,” Manaker says. Particularly, vitamin C’s advantages for pores and skin embody bettering collagen absorption and stabilizing free radical injury for a glowier, less-lined complexion.

Vitamin C also can play an necessary position in supporting your temper. In reality, some research have linked low ranges of vitamin C to decreased ranges of necessary neurotransmitters1 like dopamine, aka the physique’s happiness hormone, and norepinephrine, which helps regulate your fight-or-flight response.

In response to the USDA, a 100-gram serving of kumquats incorporates almost 44 milligrams of vitamin C. For context, well being specialists suggest getting between 75 and 90 milligrams of the nutrient a day.

2. They’re full of antioxidants

Kumquats include excessive ranges of polyphenols2, Manaker says, a plant compound linked to boosting cognitive functioning, immune system well being, and decreased threat of continual illness. Analysis additionally exhibits that polyphenols have anti-aging and anti inflammatory properties3 and will help gradual the event of sure illnesses related to getting older. Polyphenols are additionally prevalent within the diets of Blue Zones residents, which is perhaps one of many explanation why these populations are likely to stay longer than the typical particular person.

3. They’re an excellent supply of gut-healthy fiber

Kumquats include almost seven grams of fiber per 100-gram serving (!!!), which is greater than sufficient that can assist you hit the really helpful quantity of fiber per meal (of six grams). General, Manaker recommends that grownup ladies eat roughly 21 to 35 grams of fiber per day, whereas grownup males eat 30 to 38 grams of fiber per day. Manaker says that fiber is necessary for including bulk to your weight loss program, aiding in regulating bowel actions, and stopping constipation.

Apart from the fiber element, bitter meals like citrus can be very helpful for intestine well being as a result of they “improve digestion, stimulate urge for food, and stimulate the discharge of digestive juices within the pancreas,” Theresa Shank, RD, beforehand informed Properly+Good.

4. They’ve a reasonable quantity of calcium and potassium

Manaker says kumquats include a modest quantity of different important minerals like calcium and potassium; 62 milligrams and 186 milligrams per 100-gram serving, respectively. These two vitamins will help help bone well being and coronary heart perform, she says.

5. They include a considerable quantity of phytonutrients

Manaker additionally factors out you’ll possible get increased concentrations of sure phytonutrients—aka phytochemicals or antioxidants, plant compounds that promote total well-being—from kumquats in comparison with different citrus, because you’re capable of eat their peels (the place many phytonutrients are saved). This, in flip, helps improve kumquats’ total dietary profile, she says.

What number of kumquats must you eat a day?

Moderation is essential, however in case you’re searching for a particular variety of what number of fruit to eat, Manaker says an excellent place to start out is roughly 4 to 5 kumquats per day.

“Owing to their small measurement, consuming 4 to 5 kumquats per day is usually protected and provides a handy solution to incorporate them right into a balanced weight loss program,” Manaker says. However do not go overboard. “Regarding each day consumption, kumquats may be loved carefully because of their excessive acid and sugar content material,” Manaker says. (Should you discover that acids disrupt your digestion, you might also wish to keep away from consuming citrus on an empty abdomen.)

Do you eat the pores and skin on a kumquat?

Sure, you’ll be able to eat the pores and skin of a kumquat, Manaker says. “The pores and skin of a kumquat isn’t solely edible, but in addition extremely nutritious,” Manaker says. “In distinction to different citrus fruits, the place the peel is usually discarded because of its bitter style and difficult texture, kumquat pores and skin is good and full of important oils, antioxidants, and fiber,” she says.

That is nice information, since you get a number of further antioxidants from citrus pores and skin.”Moreover, the compounds discovered within the pores and skin have been linked to varied well being advantages, together with improved digestion and potential anti-inflammatory properties,” Manaker says. Kumquat skins additionally assist give the fruit a extra well-balanced taste (and nutrient) profile. “Consuming the pores and skin, together with the flesh, provides a balanced taste profile of sweetness and tanginess, enhancing the general consuming expertise,” she provides.

Consider, nonetheless, of us with a sensitivity or allergy to citrus4 ought to keep away from consuming kumquat peels.

What are the unwanted effects of kumquats?

“Whereas kumquats are extremely nutritious and helpful, they do have potential unwanted effects that customers ought to pay attention to, particularly when consumed in extra,” Manaker says. “As an illustration, because of their excessive acid content material, overconsumption of kumquats could result in gastrointestinal points equivalent to heartburn or acid reflux disease amongst sure populations,” she explains.

Manaker additionally signifies that though edible, it’s possible you’ll wish to be cautious about ingesting kumquat seeds. “Kumquat seeds, if swallowed, can pose a choking hazard, particularly for younger kids, or trigger intestinal blockage, although that is comparatively uncommon,” she says. And to reiterate, some of us could also be allergic or have an intolerance to citrus, together with kumquats.

Then again, in case you’re seeking to restrict sugar consumption, kumquats include a good quantity per serving—about 10 grams of sugar per 100-gram serving, to be precise. “Kumquats are certainly excessive in pure sugars. Because of this whereas they’re a more healthy various to ultra-processed snacks and sweets, moderation is essential, particularly for people monitoring their sugar consumption, equivalent to these with diabetes,” Manaker says.

The right way to eat kumquats

Kumquats are extremely versatile, making them scrumptious to eat in so some ways. Should you do not wish to simply eat them complete, Manaker loves including the fruit to salads. “A easy but pleasant solution to get pleasure from them is by slicing them into skinny rounds and including them to salads. This gives a burst of citrus that enhances each vegetable and fruit salads,” she says.

For a sweeter take, Manaker recommends candied kumquats. “For these with a candy tooth, candied kumquats make for an beautiful deal with; simmering them in a easy syrup enhances their pure sweetness whereas preserving their distinct tanginess, excellent as a dessert topping or a standalone snack,” she says.

Lastly, Manaker recommends incorporating kumquats in savory dishes too. “One other progressive strategy is to include kumquats into savory dishes, equivalent to roasting them alongside hen or fish, the place their juice provides an sudden but harmonious taste profile,” she says. “Whether or not used contemporary, candied, or as a flavor-enhancer in cooked dishes, kumquats are certain to raise the style expertise,” Manaker says.

Citrus to spare? Make these citrus glaze donuts:




Properly+Good articles reference scientific, dependable, current, sturdy research to again up the knowledge we share. You possibly can belief us alongside your wellness journey.


  1. Pullar, Juliet M et al. “Excessive Vitamin C Standing Is Related to Elevated Temper in Male Tertiary College students.” Antioxidants (Basel, Switzerland) vol. 7,7 91. 16 Jul. 2018, doi:10.3390/antiox7070091

  2. Sadek, Engy Samih et al. “Polyphenolic composition and antioxidant traits of kumquat (Fortunella margarita) peel fractions.” Plant meals for human vitamin (Dordrecht, Netherlands) vol. 64,4 (2009): 297-302. doi:10.1007/s11130-009-0140-1

  3. Meccariello, Rosaria, and Stefania D’Angelo. “Affect of Polyphenolic-Meals on Longevity: An Elixir of Life. An Overview.” Antioxidants (Basel, Switzerland) vol. 10,4 507. 24 Mar. 2021, doi:10.3390/antiox10040507

  4. Cardullo, A C et al. “Allergic contact dermatitis ensuing from sensitivity to citrus peel, geraniol, and citral.” Journal of the American Academy of Dermatology vol. 21,2 Pt 2 (1989): 395-7. doi:10.1016/s0190-9622(89)80043-x


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