abstract amaranthaceae appearance background color coloration colored colors colour coloured colours cooked cooking diet dietary edible fiber fibre food health healthy iron Popeye-food roughage sloppy soft spinach spinacia-oleracea strength surface surfaced surfaces texture textured textures vegetable vitamins amphibians anura carnivores cuts delicacy exotic food food source for sale fresh frog legs frogs large legs market meat pieces preparation shapes shopping Sizes skin skinned variety wet wet market