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.
According to the USDA, canned grapes have a higher concentration of vitamin K and vitamin B-6 than raw grapes. Every 1-cup serving contains 24 micrograms of vitamin K, or 20 percent of a man's RDA and nearly 27 percent of a woman's.hese grapes are an excellent source of riboflavin, with 1.1 milligrams of the vitamin per serving, an amount that supplies all of a woman's daily requirement and 85 percent of a man's. Also known as vitamin B-2, riboflavin aids in the synthesis of red blood cells.