|Celery Cupcakes: A dieters dream?|
A quick google search revealed a host of information, news articles and blog posts on this subject. Dr Stu posted a blog post summarising some of the literature about negative calorie foods very recently.
But how much of that is used to digest one item, like celery? Do some items of food require more 'digestive energy' as they contain 'tougher' substances (like fibre in celery)?
Back to the original question!
Westerterp KR: Diet induced thermogenesis. Nutr Metab (Lond) 2004, 1:5.
Mikkelsen PB, Toubro S, and Astrup A. Effect of fat-reduced diets on 24-h energy expenditure: comparisons between animal protein, vegetable protein, and carbohydrate. Am J Clin Nutr 2000 72: 5 1135-1141
Levine J, Baukol P, Pavlidis I. “The energy expended in chewing gum.” New Engl J Med. 1999 Dec 30; 341(27): 2100.