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Water has no kilojoules. By drinking water we may actually displace kilojoules we might have
otherwise got from food or other drinks. Having had more to drink we may sometimes feel
distended, but this is not being fat!
Drinking fruit juice, soft drinks or alcoholic beverages adds energy (kilojoules) to our diet. It is
easier to drink fruit juice than eat the parent fruit! Most soft drinks have about 10 to 11 grams of
carbohydrate per 100 mi providing about 170 to 190 kilojoules (40 to 44 kilocalories) or 450
kilojoules per glass. Soft drinks made using artificial sweeteners have only a very small fraction of
this energy.
Pure alcohol (ethanol) has 29 kilojoules (7 kilocalories) per gram. Therefore the energy obtained
from alcoholic drinks will depend on the amount of alcohol in it, the amount consumed and the
amount of sugar. For example, an average glass of sweet fortified wine like sweet sherry has 340
kilojoules; dry white wine, 275 kilojoules, and beer 396 kilojoules.
The importance of having alcoholic drinks with food is that one is inclined to drink less when eating, and the food slows the absorption of ethanol, so that it has less of an immediate effect.
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