NEVER EVER eat small rations of food to lose weight! Let me enlighten you on this; when you dont eat food, your body realizes its not getting fed as you normally would eat (saying you eat regular rations of food) and since your body is extremely intelligent, it will hold onto as much food when you feed it rather than burning it off.
And it will then store it as excess fat because your body acknowledges it is starving and holds onto body fat to feed itself when you refuse to feed it.
Also, eating small amounts of food could possibly lead to a eating disorder.
And the weight you think your losing as fat is actually muscle tissue that the body begins to devour it because your body will go into a "survival" mode and does everything it can rather than to die.
The key for this not happening is to eat a small proportioned meals every couple of hours (2-3).
Think about it like this, your body works like a fireplace; when you put large logs in the pit, it slowly burns and your left with large remains.
But when you throw in small pieces of wood every hour or so, they all burn up and nothings left.
When your body breaks down food every couple of hours, you will burn more calories; since everything your body does, it requires the use of calories and breaking smaller meals over a couple of hours will increase this drastically.
Then the body will not hold on to extra body fat because it knows you will feed it periodically.