It also slows the digestion of glucose (sugar), which prevents blood sugar spikes. It's best to pair grapes with a protein and/or fat source, such as cheese, to help further reduce blood sugar spikes.

1 cup of raw fruit, 23 grams of sugar 1.5-ounce box of raisins, 28 grams of sugar Grapes have antioxidant properties and all varieties — red, black and green — contain polyphenols, or ...

A measurement of the sugar content of grapes, must and wine, indicating the degree of the grapes' ripeness (meaning sugar level) at harvest. Most table-wine grapes are harvested at between 21 and 25 ...