Today, there is a new surge of ingredient power—protein. When we think of protein, images such as steak, poultry, or fish quickly come to mind. But there are actually many different kinds of proteins and protein concepts. And as consumers seek out more protein-rich food products, food formulators are finding different ways to incorporate or plug into this ingredient that can be derived from a variety of traditional and alternative sources, including soy, whey, wheat, potato, pea, canola, c…