In soil, most of the zinc stays bound to the solid particles. When high levels of zinc are present in soils, such as at a hazardous waste site, the metal can seep into the groundwater. Industries also can release dust containing higher levels of zinc into the air we breathe.
Add sorghum to a large pot of water. Use one cup of whole grain sorghum to three cups of water. Bring to a boil, reduce to a simmer and let cook for approximately 40-55 minutes or until the sorghum is tender. Drain any remaining liquid and serve.
Place 136g sorghum/pearl millet flour, 544g wheat flour (i.e., 20:80 flour composite), 13g salt and 12g margarine, together with the yeast mixture and 340ml water into the bowl of a dough mixer. Mix the dough well then remove it from the bowl and knead it on a lightly floured board for about 1 min.