Which of the following pigments is a not endogenous pigment? A: hemosiderin B: lipofuscin C: bilirubin D: carotene

Which nutrient is not an important source of fresh vegetables and fruits? A: Vitamin C B: Carotene C: Riboflavin D: Proteins

Which pigment among the followings does not belong to the same category with others? A: Carotene; B: Lutein; C: Astaxanthin; D: Capsaicin