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.
Breaking Down Calories. You can have about 30 red grapes, which is about a 1-cup serving, for roughly 100 calories. A minimal 2 calories, or about 2 percent of total calories, derive from fat. Another 4 calories come from protein, accounting for around 4 percent of the overall calories.The major contributor to calories in red grapes is carbohydrates. Ninety-four percent of the calories, or the remaining 94 calories, stem from carbs.ecause you need 14 grams of fiber for every 1,000 calories in your diet, according to the publication Dietary Guidelines for Americans, 2010, an average 2,000-calorie diet requires 28 grams of fiber daily. Your 1-cup portion of red grapes provides less than 5 percent of your fiber needs based on 2,000 calories.