How can the same food of equal quantity have a different amount of calories?

Question

I usually buy a particular brand of canned chickpeas and the on the nutritional label it tells me there are about 220 calories in a 400g can. However many other brands of canned chickpeas usually list significantly more calories on the label for the same quantity. How is this possible?

Answer

It could be a different breed of chick peas, or it could also have added ingredients.

How can the same food of equal quantity have a different amount of calories?

Answers (1)