... look like big water chestnuts. Their diameters can be over 25 cm. With rich nutrients, konjac has a ... starch content of 35%, a protein content of over 3%, as well as multiple vitamins and such ... selenium, etc. Besides, it also contains a content of over 45% of Polysaccharide Konjac, i.e. glucomanno glycan gum, ... has adjuvant effects of controlling and preventing diabetes. 40-180 mesh konjac powder