Varietal Differences among the Phenolic Contents and Antioxidant Activities of White and Red Fleshed Guava during Maturation and Ripening Stages Journal title: International Journal of Biochemistry Research & Review Authors: Guopeng Li, Muhammad Azam, Lei Fang, Jihua Li, Muhammad Jafar Jaskani, Mumtaz Khan, Liaqat Ali, Tanv... Subject(s): Chemistry, Biochemistry