The Effect of Manalagi Apple Juice (Malus Sylvestris Mill) on Stability and Antioxidant Activity of Black Tea

Black tea (Camellia sinensis O.K var assamica) is one of the most widely consumed beverages by public. Manalagi Apple (Malus sylvestris Mill) juice and black contain antioxidant compounds that can counteract free radicals. The purpose this study was to prove addition apple would increase activity stability tea. DPPH (2,2-diphenyl-1-picrylhydrazyl) method used in determine their activities. measured at 0, 6 24 hours after juice. Antioxidant compared added with results obtained showed a mixture higher than alone. It shown IC50 lower also antioxidants solution slope linear equation % inhibition about third Because reason, adding will slow down degradation rate tea.