Usually, though not always, this has a pleasant effect. Your body canât store alcohol, so it breaks it down - your liver's job. The liver firstly changes alcohol into acetaldehyde (this is toxic), then into acetate (harmless), which is finally broken down into carbon dioxide and water.
Each one-cup serving of grapes contains 62 calories, 0.6 grams of protein, 0.3 grams of fat and 15.8 grams of carbohydrate, including 0.8 grams of fiber. (See Reference 1) This is about three percent of the daily 25-gram value for fiber for people who eat a 2,000-calorie diet.
Grapes continue to ripen after they have been harvested. Refrigerating them slows the ripening process down. Fresh grapes have a green stem, while older grapes have dried out and brown stems. Grapes can also be frozen to extend their shelf life. One cup of grapes has 104 calories. They contain high levels of vitamin C and vitamin K. They are low in saturated fat, sodium and cholesterol. Grapes are primarily composed of carbohydrates and have high levels of sugar.