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.
The U.S. Department of Agriculture considers 1 cup, or about 32 seedless grapes, to be a serving. Adults should aim to have 1 1/2 to 2 cups of fruit per day, whereas children need 1 to 2 cups per day.ne cup of grapes provides 104 calories and is fat-free. It also provides 1 gram of fiber and is high in vitamins C and K. In addition to these benefits, red and purple grapes contain a powerful antioxidant called resveratrol, which may help to protect brain, heart and immune health.