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[[http://www.tesco.com/groceries/Product/Details/?id=264331503 these frozen fish fillets]Will they be 80 calroies per frozen 100g or per cooked 100g? Presumably cooked, since water doesnt have any calories?
Would suspect that might be raw - Googling returns around 80 - 90 calories for raw pollock and 113 - 118 for cooked pollock (dry heat)?
But why would it be different?This is what confuses me. What makes a difference to the weight is water, and thats calorie free?
My very hazy memories of home economics at school indicate that cooked food has had some energy applied to it to cook it, which means more calories? I am open to being told I am wrong though.
Megrin is talking about 100g of raw food compared with 100g of cooked food. Obviously, the cooking process drives off some of the water, so it's a more concentrated product.Looked at another way - a 100g raw potato is 72 calories. Once it's microwaved, say, it only weighs 90g (roughly) - but it's still 72 calories!HTH!
So, for all such products, calculate your calories by weight as sold. The calorie total won't change (unless you add oil or sauce). Only the cooked weight will be different to the raw one.
Ok thank you.
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