Journal Article 8002-80-0 9005-25-8 Dietary Fiber Dietary Proteins Glutens Starch Bread Comparative Study Composite bread Dietary Fats E89I1637KE Food Additives Galactans Gluten-free Mannans Plant Gums Research Support, Non-U.S. Gov't Surface-Active Agents V4716MY704 additive dough flour functional properties gluten-free guar gum lipid dynamics locust bean gum nutritional features nutritional quality