Why does saliva stay brown for hours and hours after eating chocolate?

Question

Like even 15 hours later, after a night of sleep and eating/drinking other things. No other food I’ve encountered does that, even ones that easily stain counter tops (coffee, turmeric, tomato sauce).

In: Biology

Answer 1

You’re not cleaning your mouth well so the food particles aren’t being removed. Do a better job when you brush your teeth.