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Nutritional Values of Kumquats

By Kara McEvoy

The kumquat, which resembles a miniature oval-shaped orange, is cultivated in the United States, China and Japan. This sweet, tart fruit is a very good source of dietary fiber and vitamins C and A. Kumquats can be eaten fresh but are more commonly consumed pickled, canned or in preserves. According to the USDA National Nutrient Database, which provides a full nutrient profile, eight whole kumquats have 108 calories.


A diet high in dietary fiber is beneficial to the health of your heart and gastrointestinal tract. Eight raw kumquats provide 9.9 g of dietary fiber. The amount of fiber recommended daily by the Institute of Medicine is 25 g for women and 38 g for men. Dietary fiber also controls blood glucose and insulin concentrations and reduces the risk of developing Type 2 diabetes.

Vitamin C

Vitamin C is an important antioxidant and is necessary for the health of blood vessels, tendons, ligaments and bones. According to the USDA, eight raw kumquats have 66.7 mg of vitamin C. The National Institute of Health has set the daily recommended amount at 75 mg for women and 90 mg for men. Adequate vitamin C is also necessary for proper wound healing.

Vitamin A

Vitamin A is a fat-soluble vitamin that promotes vision and is necessary for the health of teeth, skeletal tissue and skin. Eight raw kumquats have 441 IU of vitamin A. According to the Institute of Medicine, men need 3,000 IU of vitamin A daily and women need 2,333 IU. Vitamin A also functions as an antioxidant, protecting your body from free radical damage.


Kumquats provide the B vitamin, riboflavin, which is a component of various enzymes involved in energy metabolism. Eight kumquats provide 0.137 mg of riboflavin. The daily amount of riboflavin recommended by the National Institute of Medicine is 1.1 mg for women and 1.3 mg for men.


Calcium is essential for nerve transmission, muscle contraction and for formation of teeth and bones. The USDA National Nutrient Database shows that eight kumquats have 94 mg of calcium. The Institute of Medicine recommends adults consume 1,000 mg of calcium daily.

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