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If I Google

calories in banana

I get the result of 89 per 100g.

However, this pack of chewy banana says 320 per 100g.

Why the difference? The ingredients are

Dried Banana, Rice Flour, Preservative (Sulphur Dioxide)

Do rice flour (which I presume is to keep the pieces from sticking) and sulphur dioxide add 3.5x the energy to a pack of dried banana?

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up vote 36 down vote accepted

Most of the weight in fresh fruit is water, which has no calories.

When you dry the fruit, the remainder is concentrated, so there are more calories in a given volume or weight.

Sulfur dioxide is a preservative with anti-microbial properties.

The claim of 3.6 times the energy is specious.

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