Mycket. Beror på källa. Bara socker över 40000 kcal.
Citat:
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The absorptive capacity of the human intestine has been estimated to amount to about 5400g/day for glucose and 4800g/day for fructose - a capability that would never be reached in a normal diet.
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Advanced Nutrition and Human Metabolism, p71. Gropper, Smith, Groff. Wadsworth Publishing Company; 5 edition.