Fructose is a naturally occurring sugar, a simple monosacchariade that is found in many types of fruits, berries, honey, some root vegetables and other foods. It's considered the sweetest of the nutritive sweeteners, according to the Fructose Information Center, and is used commercially in products ranging from sports drinks and sodas to table sugar and many desserts.
Cola
Just one ounce of an average carbonated and caffeinated cola soft drink has about 1,800 milligrams (mg) of fructose, according to the Conde Nast-owned Nutrition Data. Other types of sodas have similar high levels of fructose and glucose.
Honey
One cup of honey has more than 138,000 mg of fructose, along with plenty of glucose and sucrose. As a sweetener, honey has a few more calories per serving than table sugar, according to Columbia University's Health Q&A Internet Service, but when adding a sweetener to your tea or recipe, you're likely to use less honey than you would table sugar because honey tends to be more concentrated.
Apples
Natural fructose, as opposed to the processed variety used in sodas and other products, is found in apples. The equivalent of one cup of apples contains around 6,600 mg of fructose. Apple sauce and apple juice are also among the foods highest in fructose content.
Grapes
Regardless of the color and variety, grapes are among the foods with the highest fructose content. A cup of grapes has about 12,000 mg of fructose. Likewise, grape juice contains plenty of fructose, too.
Condiments
Items that we don't necessarily think of as being especially sweet can still pack a lot of fructose into a small portion. A cup of salad dressing, for example, can have as many as 12,000 mg of fructose, while a cup of ketchup has more than 22,000 mg.
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