    By red licorice, I believe you are referr â¦ ing to the candy. Raw licorice can have a dark reddish hue, however. Red licorice, at least in the states, is flavored candy that does not contain true licorice.
Other foods high in potassium that vegetarians may use are soybeans, textured vegetable protein (TVP), soy nuts, soy flour, natto (soybean paste) and wasabi. Potassium amounts will need to be modified and levels monitored carefully by your renal dietitian.
Bananas do contain potassium, but so does the vast majority of other fruits and veggies. Potassium is the predominant nutrient among most all fruits and vegetables, and there are other foods high in potassium out there. An avocado, for instance, has more than twice as much potassium as a banana and is rich in beneficial monounsaturated fat.