The nutritional value of both fresh grapes and raisins is actually not very different, mainly because fresh grapes are more complete in terms of nutrients and contain more active substances; while raisins are air-dried, the glucose content is higher, but some of the active substances will be lost.

Grapes contain up to 10% to 30% sugar, mainly glucose. Grapes in the amount of fruit acid helps digestion, appropriate to eat more grapes, can strengthen the spleen and stomach. Grapes contain minerals calcium, potassium, phosphorus, iron, glucose, fructose, protein, tartaric acid, as well as a variety of vitamins B1, B2, B6, C, P, etc., but also contains a variety of amino acids needed by the human body, eating grapes on the neurasthenia, fatigue overly beneficial, in addition to a variety of physiological function of the material it also contains. After the grapes are made into raisins, sugar and iron content will be relatively high, is women, children and weak anemic people's nourishment.

The sugar in grapes is mainly glucose, which can be quickly absorbed by the body. When the human body appears hypoglycemia, if you drink grape juice in time, you can quickly make the symptoms ease. The flavonoids contained in grapes are a powerful antioxidant, anti-aging, and can remove free radicals from the body. Grapes contain an anti-cancer trace element (resveratrol), which can prevent healthy cells from becoming cancerous and stop the spread of cancer cells. Grape juice can help organ transplant patients to reduce rejection reactions and promote early recovery.

Nutritional value of raisins: nutrient content refers to 100 grams of edible part of the food content) calories (kcal) 341, thiamin (mg) .09, calcium (mg) 52, protein (g) 2.5, riboflavin (mg) 0, magnesium (mg) 45, fat (g) .4, niacin (mg) 0, iron (mg) 9.1, carbohydrate (g) 81.8, Vitamin C (mg) 5, Manganese (mg) .39, Dietary fiber (g) 1.6, Vitamin E (mg) 0, Zinc (mg) .18, Vitamin A (mcg) 0, Cholesterol (mg) 0, Copper (mg) .48, Carotenoids (mcg) 2.1, Potassium (mg) 995, Phosphorus (mg) 90, Retinol Equivalents (mcg) 11.6, Sodium (mg) 19.1, Selenium (micrograms) 2.74.

Many dried fruits have their own health-promoting tricks, and raisins contain nutrients are nutritionists marveled at, the United States dietitians did a study not long ago showed that if the daily intake of raisins equivalent to 400 calories can effectively reduce blood cholesterol, but also inhibit the oxidation of bad cholesterol in the blood. In addition, raisins can improve the health of the rectum, because raisins contain fiber and tartaric acid, which allows excrement to pass quickly through the rectum, reducing the time dirt stays in the intestine. More excitingly, raisins contain an ingredient called resveratrol, which is effective in preventing cellular malignancy or inhibiting the growth of malignant tumors, and it stops leukemia cells from dividing. In addition, the fiber in raisins prevents fructose from being converted into triglycerides - a type of blood fat - in the bloodstream, thereby reducing the risk of heart disease.