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Nutritional figures on food labels

T

The Hulk

Active Member, Site Advertiser
This is something which has made me wonder sometimes.
If 1 gram of carbs or protein are 4 calories, and 1 gram of fat 9 calories, why is the total calories per serving or per 100g often considerably different to the sum of protein, carb and fat totals?
 
Not really referring to any foods with alcohol, which I believe are 7 calories per gram.
Can you give an example of the other stuff which makes the totals higher.

Thanks
 
fibre
Dietary fiber - Wikipedia, the free encyclopedia


http://www.betterhealth.vic.gov.au/bhcv2/bhcarticles.nsf/pages/Kilojoules_and_calories-explained
Kilojoules in food

The foods we eat provide energy, which is measured in kilojoules. Just how much energy depends on the amount of carbohydrate, protein and fat the food contains. Foods such as fruits, vegetables and legumes are low-energy (kilojoule) dense foods. Fats and alcohol are by far the most energy-dense foods. This is why they should only be consumed in moderation, particularly if you are overweight or obese.

The energy value per gram of various food components includes: Fat – 37 kJ (9 Cal) – not all fatty acids may provide the same amount of energy
Alcohol – 29 kJ (7 Cal)
Carbohydrates – 16 kJ (4 Cal) – not all carbohydrates may provide the same amount of energy
Protein – 17 kJ (4 Cal)
Dietary fibre – 13 kJ (3 Cal) – if fermented by bacteria in the large intestine
Water – 0 kJ (0 Cal).
Click to expand...
 
The Hulk said:
Not really referring to any foods with alcohol, which I believe are 7 calories per gram.
Can you give an example of the other stuff which makes the totals higher.

Thanks
Click to expand...

Food alcohols/glycerols whatever. Alot of those low carb foods are fucked full of them.
 
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