Jus de fruits : tableau des calories
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The calories in fruit juices come almost entirely from sugar – this is because the juice is separated from the fiber content of the fruit (the pulp) during juicing. This being the case, fruit juices are very high in carbohydrates while being low in fats and protein.
Vitamin C ContentOne of the most significant nutritional benefits of fruit juices is that they are typically very high in Vitamin C. For example, an 8-ounce serving of orange juice contains 125 mg of Vitamin C and a serving of grapefruit juice the same size contains about 90 mg. Vitamin C is essential for immune health and it also helps with the healing of wounds and neutralization of free radicals in the body.
Glycemic Index RatingBecause the majority of the calories in fruit juices come from simple sugars (or carbs), the glycemic index rating for fruit juices is moderate to high. For example, the glycemic index rating for orange juice is between 46 and 53, compared to an average of 42 for the fruit itself. Foods with a glycemic index rating between 50 and 70 are considered medium-GI foods while ratings between 70 and 100 classify the food as high-GI. The fact that most fruit juices are medium-GI foods means that they have a moderate impact on your blood sugar level and should be enjoyed in moderation.
If you refer to the calorie counter for fruit juices, you will find that most are low in fats and protein but high in various vitamins and minerals. Fruit juices are also a significant source of carbohydrate so they should be enjoyed in moderation.