Brown & Polson Corn Flour Starch 100gm The finely ground white starch powder that is derived from maize kernels is known as Brown & Polson Corn Flour Starch. While the starch is extracted from the kernel's endosperm, the flour is ground from the kernels. This maize flour has a bland texture and a pale white color. Use it as a batter for frying or as a thickening ingredient for your foundation! So feel free to purchase Brown & Polson Corn Flour Starch right now online!