They produce a sticky, yellowish fluid that contains fructose.

After eating foods containing fructose, they may experience such symptoms as severe abdominal pain, vomiting, and low blood sugar (hypoglycemia).

However, honey contains fructose, which caramelizes at lower temperatures than the glucose.

Using too much of products that contain sorbitol (such as chewing gum) or fructose can cause diarrhea.

The sweet juicy flesh contains sucrose, fructose, and glucose.

This fluid contains glucose and fructose, which are kinds of sugars, and other chemicals.

Grape must contains mainly the sugars glucose and fructose.

Grape juice (must), for example, contains little sucrose but does contain glucose, fructose, acids and other substances.

By avoiding foods containing fructose, sucrose, and sorbitol, patients can live symptom-free lives.

Also, drinks that contain fructose as their main sugar are too slowly converted to glucose to be useful in delaying fatigue.