What I wanted to express is that white flour which is usally used in industrial food is a simple carbohydrate and its digestion is so fast that it doesn't reall

What I wanted to express is that white flour which is usally used in industrial food is a simple carbohydrate and its digestion is so fast that it doesn't really make a difference compared to pure glucose. Complex carbs are less bad - but still, eating too much of them is not good.