Banana kepok (Musa paradisiaca L.) and pineapple (Ananas comosus are types of fruit that widely consumed by the community. However, skin is only disposed as waste, where waste reaches 30% whole fruit. Kepok banana peels pineapples contain phenols flavonoids which proven to function antioxidants. This study aims determine IC50 value combined sample using DPPH FRAP methods. The extract samples we...