I see that you did not break your fast. Apples are a good fruit to break your fast. You just need to make sure they are organic. Conventional apples have so much spraying of pesticides and wax on it that it is considered more toxic than any other conventional fruit.
I think this doctor's plan is fine, except you will find that you may not be hungry to eat one pound of fruits and one pound of vegetables everyday. So eat only when hungry.
What is the name of the book? Is it also available in English?