Figure 2: Score from sensory evaluation of hamburgers containing oilsoaked- whey protein-foam (10%) and different vegetable flours. (1) traditional hamburger with sole meat; (2) hamburger containing tomato flour; (3) hamburger containing red pepper flour; (4) hamburger containing broccoli flour; (5) hamburger containing pumpkin flour; (6) hamburger containing yellow pepper flour; (7) hamburger containing oil-soaked-whey protein-foam without flour; (8) hamburger containing zucchini flour; (9) hamburger containing fennel flour; (10) hamburger containing carrot flour; (11) hamburger containing cauliflowers flour; (12) hamburger containing asparagus flour; (13) hamburger containing eggplant flour; (14) hamburger containing artichoke flour.