take a look @ [Livestrong][1], which has the five-meals-a-day limitation and percentages of p/c/f (although not the same). there are also some references listed in that article that may be of use.

while not asked, the main issue with this claim (and patent) will be 101 eligibility. it's almost certainly not patentable under this ground.


  [1]: http://www.livestrong.com/article/509180-food-ideas-for-5-meals-a-day/