Social & Preventive Medicine Nutrition and health a02c0a41 About Soyabean true - A Protein 40% B Minerals 8% C Digestibility coefficient 75% D Highest quality protein amongst vegetarian food High-Yield Explanation Soya beans contain 40percent of protein,20percent of fat, 4percent minerals. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO-628