Tofu and soymilk residue which is a byproduct and known as Okara. As we know, most of okara is consumed as animal feed or a natural fertilizer. But It has a potential for human consumption because of its high content of protein and fiber. Food manufacturers seize the valued opportunity to make a low moisture content, fine particle sized and rich fiber okara powder.

Industrial microwave can produce a low moisture product as well as reduce total aerobic count so the shelf life of the dried Okara products vastly increase after proper microwave drying. And dried Okara can be stored for one year without any change of nutritional property. Dried Okara is whitish yellow in color and has sweet aroma.

High protein content of dried Okara also initiaties development of protein rich ready to eat food products. The production of good quality dried Okara is an excellent material of protein and fiber supplementation.