Yeah, I just did a quick google and there's also a lot more 'noise'. Careful sifting coupled with everything you already know about food and nutrition is mandatory. Here's an excellent site I use to get basic information about nutrition in different foods:
http://www.whfoods.com/index.php
http://www.whfoods.com/index.php
I would skew the diet towards more protein/less carbs in the first meal and the opposite in the second, more carbs/less protein. More carbs in the last meal before the fast is good because the body will be breaking it down longer and getting energy from it for a longer period of time.