Substituting Wheat Flour with Banana Skin Flour from Mixture Various Skin Types of Banana on Making Donuts

Tropical forest plants is a very rich source of chemical compounds or bioactive efficacious . Many of the compounds potential as a source of raw materials in food processing . One is the banana plant , West Sumatra Padang and Bukittinggi is one area in Indonesia with banana . Generally people in West Sumatra just consume or eat the fruit and throw banana skin just because it is considered as waste ( waste banana peel ) . When the banana peel waste is left alone so do not rule out the possibility for the accumulation of garbage or waste banana peels , especially in the West Sumatra city of Padang and sekitarnya.Salah one solution that can be done is to harness and cultivate the banana peel waste into a material more useful for example in the manufacture of foodstuffs.Banana peel flour with all the treatments can produce flour banana peel . However, the manufacture of flour banana skin with the use of sodium metabisulfite 1% at 1 hour of soaking to get the best flour . Having obtained done banana peel flour donut -making flour substitute banana peel . The use of banana peel flour with different concentrations turned out to affect the organoleptic properties of the donut . Of hedonic organoleptic test , the results of the average value of the ratio between wheat flour with flour banana skin that gives the best results for color , aroma , and flavor that is a donut with banana peel flour ratio of 0 % to 100 % wheat flour and donuts with banana peel flour ratio 10 % with 90 % wheat flour , but the texture will be best results are donuts of banana peels can be made by substituting wheat flour with flour banana skin at 10 %. Carbohydrate content of flour banana skin with the use of sodium metabisulfite 1% at 1 hour soaking of 16.60 grams.