(Nguyen Tat Thanh University, 2022-09) Nguyen, Nhut Truong; Tran, Bui Phuc; Nguyen, Cong Hau
Coffee tree is a popular non-alcoholic beverage in the world thanks to its taste and health benefits to humans. TPC results in descending order: light > medium > dark, in which light roast gives the highest total phenolic compounds. Besides, TPC and TEAC differ in degrees of roasting, with light roasting mainly showing the highest value due to the balance between the breakdown of phenolic compounds and the generation of new antioxidant compounds. mainly from the Maillard reactions. The close correlation between TPC and antioxidant capacity for the correlation coefficient (R2> 0.7) suggests that phenolic compounds play an important role in the antioxidant capacity of coffee.