This video tells us about the process of purine catabolism by which it is converted into uric acid and it mention the uric acid degradation as well. The introduction of uric acid as an antioxidant is also given. Few questions in the end for self evaluation of the topic are provided. TIMELINE: 0:10 Introduction 0:45 Catabolism of purine nucleotide 4:34 Degradation of uric acid 5:40 Uric acid as an antioxidant 6:30 Questions 7:33 End