2. Material and Methods 2.1. Starch of Banana Peel First, we have to sortation of raw material with banana peel that have still good. Banana peels have washed until clear, to separate dirt on banana peels. And then, banana peels cut and shredded with grater. Next, banana peels which have been pulverize, filtered with addition of water and press with cloth filter until grouts not produce filtrate. After that, filtrate is precipitated for 24-48 hours until all starch have precipitated. Supernatan liquid is discarded