Conclusion
A successful and novel formulation of cake production with
watermelon rinds and sharlyn melon peel powders were
developed. Watermelon rinds and sharlyn melon peels are
good sources of phenolic compounds and dietary fiber. Cake
batter formulated with partial substitution of flour or fat with
5% watermelon rind or sharlyn melon peel powders had bioactive
components as compared to cake prepared with 100%
wheat flour. Watermelon rind and sharlyn melon peel were
good in antioxidant activity to increase shelf-life of cake. Substitution
of wheat flour at 5% is recommended to produce an
acceptable cake. Overall, it could be recommended that the
technology of using watermelon rind and sharlyn melon peel
powders should be encouraged among food industries to make
economic use of local raw materials to incorporate into cake
and provide cake with more functional components and more
effective antioxidant activity.